Ofcom RID register · updated weekly
UK telecom providers — C
813 Ofcom-registered communications providers whose name begins with C, from the official RID (Reseller Identification) register, with each company’s registered address and published contact number. Part of the full UK provider directory.
| Provider | RID | Registered location | Contact |
|---|---|---|---|
| C BTConnect Business Systems Telecommunications Limited | EUY | Connect House, Bromsgrove, B60 4FD | 01527 556363 |
| C N LComms Network Limited | HET | Unit 2, Middlesex, TW8 9PT | 0844 410 8201 |
| C-Ways LtdC-WAYS LIMITED | PMD | Wykeham Business Centre, Wykeham, YO13 9QP | 0333 344 8971 |
| C2 TechnologyC2 TECHNOLOGY GROUP LTD | SFN | 91 Norwood Avenue, Chesterfield, S41 0NJ | 07984119415 |
| C2-UK CommunicationsC2-UK Communications Ltd | EBF | Ribble Court, 1 Mead Way, Lancashire, BB12 7NG | 0845 458 6622 |
| C3Computer and Communications Co Ltd | LWJ | Stirling House, Waterbeach, CB259PB | 1223427700 |
| C4 Secure LtdC4 SECURE LIMITED | NHP | Hillside, Daventry, NN11 7JQ | 01604439303 |
| CAB IT Services Ltd | JEB | 1 Lyons Court, Bristol, BS41 9LB | 1275394600 |
| CAECAE TECHNOLOGY SERVICES LIMITED | RIK | CAE House, Hemel Hempstead, HP2 7DE | 07590224777 |
| CAE Communications Ltd | DTY | CAE House, Herts, WD24 4PT | 08708 500 510 |
| CAMCAM Systems Limited | HDG | Draycott Business Park, Gloucestershire, GL11 5QD | 01453 891 000 |
| CAN - Solutions LimitedCAN - SOLUTIONS LIMITED | MEM | Electra House, Crewe, CW1 6GL | 3300240223 |
| CANDA BroadbandAzets PS Limited | IGN | Ashlar House, Walsall, WS9 0AX | 1213234455 |
| CANTONA RETAIL LIMITEDHermod Retail Limited | RKQ | 18 Kings Hill Avenue, West Malling, ME19 4AE | 08003587680 |
| CANetworks Ltd | BBD | — | — |
| CASTCobalt & Silver Ltd | JIQ | 16 Oakhill Road, Doncaster, DN2 5NX | 0333 2100 345 |
| CAT 5 Communication Ltd | FRU | 2 White Horse Yard, Northampton, NN12 6BU | 01604 924 631 |
| CAT Communications Limited | EQS | 3 Ashley Court, Wiltshire, SN8 3RH | 01672 812 100 |
| CB Comms Direct Ltd | KME | 14 Ambergate Road, Liverpool, L19 9AU | 7715640725 |
| CBG Telecom LtdEBuying Group Limited | MID | Amtech House Suite 5 and 6, Newcastle, NE12 6DX | 8449672630 |
| CBH Computers | PRE | 34 Silverthorn Drive, Hemel Hempstead, HP3 8BX | 07980235470 |
| CBSCOMMERCE BUSINESS SYSTEMS LIMITED | PUE | Commerce Business Systems Ltd, Bradford, BD8 0HH | 01274 496220 |
| CC TelecomsConcept Coders Limited | DFX | 105B The Big Peg, Birmingham, B18 6NF | 0121 638 0000 |
| CCCitClifton Computer Care Ltd | JAL | CCCit The Waterfront, Bristol, BS14SB | 1173700050 |
| CCENGINEERINGCC Engineering Ltd | IPP | 215 HIGH STREET, WEST DRAYTON, UB7 7QP | 0333 800 8800 |
| CCHS TelecomCCHS COMPUTER SERVICES LTD | NWC | 22 Sandfields Road, Port Talbot, SA126LP | 01639509988 |
| CCOMM IT SolutionsCComm IT Solutions Limited | IGL | Media House, St Albans, AL3 6PH | 1727758008 |
| CCR Systems (UK) LTDCCR SYSTEMS (UK) LTD | QDD | Unit 7(5) Hilltop Commercial Centre, Leeds, LS13 2DN | 01132570456 |
| CCSCounty Consultancy Services Ltd | KCD | Innovation Centre, Cranfield, MK43 0BT | 01908 410041 |
| CCS IT SOLUTIONS LTD | QGR | 48b Buxton Road, Stockport, SK6 8BH | 0161 428 2088 |
| CCS Leeds Ltd | HIE | Unit A, Leeds, LS14 2AQ | 0113 294 6699 |
| CCS MediaCCS MEDIA Group Limited | FGY | Old Birdholme House, Derbyshire, S40 2EX | 01246 200 200 |
| CCT Infotech Ltd | HIX | Matrich House, Hull, HU3 4DD | 01482 647 044 |
| CCTECH CLOUD LTD | NXY | 25 Miles East, Didcot, OX11 6EE | 07412678577 |
| CCTSCABLE CONNECT TECHNICAL SERVICES LTD. | RZM | 59-60 Eastern Way, Bury St Edmunds, IP32 7AB | 01284753226 |
| CCUKCCUK (SW) LTD | NTH | The Dairy, Somerset, BS28 4JT | 01934818440 |
| CDCUKLTDCAN DO COMMUNICATIONS (UK) LTD. | QPC | 27 Lime Grove, RYTON, NE40 3RH | 01917317043 |
| CDL TelecomCHECKMATE DIGITAL LTD | RQN | Woodend Farm, Thirsk, YO7 3NF | 07836230626 |
| CDN Networks Ltd | INS | Warrington Lane, Warrington, WA130SW | 1612410556 |
| CDS MobileCDS regeneration limited | MXP | 1 westminster road, cheshire, sk10 3ah | 7889875014 |
| CDS NetworksCDS Networks Limited | JQW | Broadfold Business Centre, Aberdeen, AB23 8EE | 1224707360 |
| CECOM | CPP | 11 Pyle Road, Swansea, SA3 3HH | 0800 019 8333 |
| CER Associates Limited | FHJ | 34 Beaufort Avenue, Lancashire, FY2 9HG | 01253 500 555 |
| CF Systems Ltd | HZU | Stanley Way, Cornwall, TR15 1SP | 01209 340 040 |
| CH BusinessCH Business Resources Ltd | HWF | 34 Homlesdale Road, Highgate, N6 5TQ | 020 8341 0111 |
| CHIRP TELECOMS LTDChirp Telecoms Ltd | SNV | New Ing Farmhouse, CLITHEROE, BB7 4LU | 01200400669 |
| CHOICECLOUD PBXCHOICECLOUD LTD | SKD | 20-22 Wenlock Road, LONDON, N1 7GU | 07515859956 |
| CHS NetworksCHS Networks Limited | HEH | 88 Judd Road, Kent, TN9 2NJ | 0845 644 1566 |
| CICI CommunicationsCICI COMMUNICATIONS LTD | QTK | 10 Kirby Road, Leicester, LE3 8DE | 07841373492 |
| CIM Software LTDCIM SOFTWARE LIMITED | MZH | Park House, Southampton, SO16 0YW | 8448711669 |
| CIMSHelping Hand Technology Services Ltd | PWA | 93 - 101 Bridge Street, Manchester, M3 2GX | 01613021594 |
| CIMS NetworksCIMS Networks Ltd | GRF | Halifax House, Manchester, M3 2GX | 0161 6694672 |
| CINCHCINCH TELECOMS LTD | MQJ | 45 wedgwood road, bicester, ox264ul | 1869320646 |
| CIPComputers In Practice | RQF | 22 Cathedral Road, Cardiff, CF11 9LJ | 02920022950 |
| CIS LimitedComputing Information Systems Limited | HSD | Unit 1 RAC Estate, Faringdon, SN7 7BP | 01367 700 555 |
| CIXCIX Online Ltd | HRT | 1-3 Pampisford Road, Surrey, CR8 2NG | 08450 099175 |
| CJ SystemsCJ Systems Limited | IYX | Exchange House, Taunton, TA1 4EB | 1823478515 |
| CL Servers Ltd | MFF | Unit 67, Stirling, FK7 7RP | 1786388618 |
| CLANNETCLANNET Broadband Ltd | KUI | The Gale, Selby, YO8 3UJ | 01757 668179 |
| CLD ComputersCLD COMPUTERS LIMITED | RGF | 14 High Street, hampton wick, kt1 4db | 020 8064 0999 |
| CLEARCOMMSITUK LIMITED | RLQ | 250 Menlove Avenue, Liverpool, L18 3JF | 01925591396 |
| CLEARWAVECLEARWAVE.NETWORK LTD | SLM | 124 City Road, London, EC1V 2NX | 01337604500 |
| CLEVERNETCLEVERNET UK LIMITED | PFG | Direct Line Communication, Sutton, SM2 7AJ | 03308087777 |
| CLISECURECLI SECURE LTD | QGT | 17 Green Lanes, London, N16 9BS | 020 3355 1151 |
| CLOUD SYSTEMSCloudnet Computing Ltd | LQI | 411 Scott House, Birmingham, B94DT | 8452007767 |
| CLOUD2ITCLOUD2IT LTD | PWY | The Ironworks, Carnforth, LA5 9EX | 03333448666 |
| CLOUDCOM TECHNOLOGIES LTD | QEG | 5 Beverley gardens, Romsey, So517ta | 07758966279 |
| CLearTec IT Group LtdCLEARTEC IT GROUP LIMITED | DLY | Suite A, Ongar Business Centre, Ongar, CM5 0GA | 01277 368214 |
| CMC DigitalCMC Digital Limited | GGH | Unit 1, Tyne and Wear, NE33 1PT | 0191 427 9244 |
| CMC LtdCorporate Mobile Communications Limited | ETP | 11 - 13 Wharfside, Milton Keynes, MK2 2AZ | 01908 369 010 |
| CMIUKChina Mobile International (UK) Limited | MBT | 90 Cannon Street, London, EC4N 6HA | 0044-2079339190 |
| CMJ ITClyde Jordaan | LZS | St Peters way, Cambridge, PE280AX | 7912532788 |
| CMM Telecoms Ltd | MQC | C3 Endeavour Place, Farnham, GU10 5EH | 1252854352 |
| CMR Consultants Ltd | BBU | — | — |
| CMS Group LimitedCMS GROUP LIMITED | RMJ | Suite 6 & 12 Manor Court, PRESTON, PR3 3XR | 02034044701 |
| CMS Software LtdComputer Marketing Services Software Ltd | HVC | 10 Saxon House, Upminster, Essex, RM14 3PJ | 01708 640382 |
| CMYK Digital Solutions LimitedC M Y K DIGITAL SOLUTIONS LIMITED | NLD | Unit 9 Butlerfield Industrial Estate, Bonnyrigg, EH19 3JQ | 01875 825100 |
| CN TelecomCN Telecom Limited | GFX | 47 North Avenue, Essex, SS8 9HJ | 01268 720 190 |
| CNC InternetComputer & Network Consultants Ltd | HIW | Unit 9 Riverside Business Centre, West Sussex, BN43 6RE | 01273 384 100 |
| CNS - Complete Network Services LtdComplete Network Services Limited | GIJ | The Ground Floor, The Portal, Burnley, BB11 5TT | 0844 209 4512 |
| CNS IT Limited | HYM | 4 The Courtyard, Chester, CH1 6NP | 01244 851 866 |
| CNW Communications Limited | BVW | — | — |
| COBAKCOMMCOBAK COMMUNICATIONS LTD | PGB | 882-A Alum Rock Road, Birmingham, B8 2TY | 07454964634 |
| COM-TEL Telecom Ltd | MYT | Portland Place, Lincoln, LN5 7JX | 3302201234 |
| COMMENSUS LTD | MQB | 40 HOLBORN VIADUCT, LONDON, EC1N 2PB | 2086614650 |
| COMMLOGIXVia Telecom Ltd | FEW | Conavon Court, Manchester, M3 5BQ | 0161 669 4671 |
| COMMPOINTCOMMPOINT LIMITED | KWF | 56 CHRISTIAN FIELDS, LONDON, SW16 3JZ | 2086960299 |
| COMTELHutchison Ports UK Limited | EDA | Tomline House, Felixstowe, IP11 3SY | 01394 604611 |
| CONTREXKIPCOM Limited | HIP | Maritime House, Hull, HU1 2DB | 01482 238 328 |
| CONVENE IT LIMITED | SJA | Unit 1a Sandham Street, Chorley, PR6 0RA | 01257272261 |
| COR Solutions Services LimitedCOR SOLUTIONS SERVICES LIMITED | RVR | 52 Walsworth Road, Hitchin, SG4 9SX | 01462434082 |
| COUNT7COUNT7 LTD | NTA | Flat 56, London, E2 0RB | 02035000590 |
| CP Media Solutions TelecomsCP Media Solutions | NNT | 26 Charles road, clitheroe, bb71fr | 08448842981 |
| CPECCPEC TECH LTD | RVP | Suite 5204, London, EC1N 8DZ | 020 3807 1049 |
| CPM Network Solutions | RCU | 24 Gloucester Avenue, Heywood, OL10 2PU | 07779435983 |
| CPS Solutions Group LimitedCPS SOLUTIONS GROUP LIMITED | PNP | Glebe Business Park, Cheshire, WA8 5SQ | 01382938722 |
| CPW IT | KWL | Holy Trinity Rectory, Keith, AB55 5BS | 1463896304 |
| CR Network Solutions | NJA | 3 Reymerstone Road, Norwich, Nr9 4QX | 01603672626 |
| CRE CommunicationsCRE COMMUNICATIONS LIMITED | PXZ | 1-6 Chapel Road, worthing, BN11 1EY | 01903 273273 |
| CRU Technologies Ltd | HQK | 1 Station Hill, Telford, TF2 9AA | 03331 017 100 |
| CS Technical Support Limited | MPE | 21 Novus, Spectrum 7, Seaham, SR7 7TT | 8005677529 |
| CSCM IT SolutionsCSCM Limited | FGJ | 1B Swallowfield Courtyard, Oldbury, B69 2JG | 08431 668866 |
| CSD Computer Solutions Ltd | GZB | 22 Cambridge Street, Milton Keynes, MK12 5AJ | 01908 311336 |
| CSD TelecomCSD Network Services Ltd | EKK | 10 New Road, Essex, CM77 6TG | 01376 333820 |
| CSE LtdCommunications South East Ltd | MUL | East Malling Business Centre, Kent, ME19 6BJ | 01622 320 280 |
| CSG Computer Services Ltd | KSD | CSG House, Bridgend, CF32 9SQ | 1656725505 |
| CSI LtdComputer Systems Integration Limited | MVD | Garden Suites 1-4, Coleshill, B46 1DL | 8001088301 |
| CSLCSL Dualcom Ltd | KMZ | Salamander Quay West, Middlesex, UB9 6NZ | 01895 474474 |
| CSL Group Services Ltd | KKE | 17b, Retford, DN227PX | 1777507578 |
| CSL LtdComputer Supply Lines Ltd | JII | 104 Lancaster Road, New Barnet, EN4 8AL | 2084415577 |
| CSN Solutions Ltd | IPQ | P13A Photographic Block, Cheltenham, GL516PN | 1242571775 |
| CSR Communications LtdCSR COMMUNICATIONS LTD | RWB | 26 Tintagel Gardens, Rochester, ME2 2RD | 01233367876 |
| CSS LTDComputer Systems Solutions Ltd | JPB | Alacrity, Ashford, TN27 0NH | 1622863272 |
| CSS LTDComputer Systems Solutions Ltd | JNS | Alacrity, Ashford, TN27 0NH | 1622863272 |
| CSS NetworksCSS NETWORKS LIMITED | QYF | 10 Ambassador Place, Altrincham, WA15 8DB | 07766087677 |
| CSS TelecomsComplete Security Services | GAM | 72A Townfield Lane, Cheshire, WA6 7RL | 01928 732549 |
| CSS Telecoms | JNK | 72a Townfield Lane, WA6 7RL | 01928 444100 |
| CSSCloud LtdCSSCLOUD LIMITED | HRQ | Nimbus House, Great Yarmouth, NR31 0NB | — |
| CST LtdCentral Support Technologies Limited | LYG | The Pump House, Wooburn Green, HP10 0TT | 01628 531400 |
| CSTSC S Technical Services Scotland LTD | KWI | 83 North Street, Fife, KY8 4LY | 01333 439 977 |
| CSU SolutionsCSU LTD | SLD | S1, Tanfield Lea Business Centre, Stanley, County Durham, DH9 9DB | 07584660069 |
| CT NetworksVodafone Ltd (C&W) | DEE | 3 The Maltings, Staffordshire, DE15 9FL | — |
| CT1 TechnologiesCT1 TECHNOLOGIES LIMITED | SJG | 71 New Dover Road, Canterbury, CT1 3DZ | 01227 808050 |
| CTC Professional Systems | JIX | 5 The Woodlands, Esher, KT10 8DD | 2076177502 |
| CTECHCTECH BUSINESS SOLUTIONS LIMITED | PLT | Fareham Innovation Centre, Merlin House,4 Meteor Way, Lee-on-the-Solent, PO13 9FU | 02394003090 |
| CTR Communications LimitedCTR Communications Ltd | HTG | 10 Westprink Crescent, Stoke on Trent, ST3 5JB | 0333 456 0314 |
| CTSCYBER THREAT SECURITY LTD | MRK | 76-80 Old Road, Leeds, LS27 7TH | 3339874549 |
| CTS CornwallCOMPLETE TECHNOLOGY SOLUTIONS (CORNWALL) LTD | SPQ | Unit 3 Building B Greencourt, Truro, TR4 9LF | 01209677950 |
| CTelCTel Ltd | LZC | County House, Swansea, SA6 8JG | 1792709249 |
| CURATRIXCURATRIX TECHNOLOGIES LIMITED | RQW | Building 6000 Langstone Technology Park, Havant, PO9 1SA | 03332412226 |
| CUSTOMER SERVICES UK NUMBERS LIMITED | PKJ | The Junction, Wakefield, WF4 5FH | 08001448844 |
| CWCS Managed HostingCompuWeb Communications Services Ltd | LPD | Bowden Drive, Nottingham, NG9 2JY | 1157401234 |
| CWL Systemscwl systems Ltd | JJI | Progress house, St Neots, PE19 6WL | 01480 217777 |
| CYBER FITS SOLUTIONS LIMITED | SAZ | 7 Sea View Park, Sunderland, SR6 7JS | 07428758083 |
| CYBERGROUP LONDONCYBERGROUP LONDON LTD | NXJ | cybergroup london ltd, London, WC2H 9JQ | 07940525961 |
| CYBUNKR LTD | RBQ | 12 Pinfold Close, Burton On Trent, DE13 9NJ | 01283777789 |
| CYTELUK TELECOMCYTELUK TELECOM LTD | HJP | 8, London, N14 5AB | 0800 036 0078 |
| Cabled SolutionsCabled Solutions Ltd | FMM | All Fairoaks Airport, Surey, GU24 8HU | 01932 500650 |
| Cactus Business SolutionsCactus Business Solutions Limited | FWT | 16-20 South Street, Hampshire, SO45 6EB | 0333 333 2333 |
| Cactus ITCactus Backup Limited | MWW | 3 Hawksworth Street, Ilkley, LS299DU | 1943666711 |
| CaddyConnectCADDYCONNECT LIMITED | SEQ | Unit 3A Carn Brea Business Park, Redruth, TR15 3RR | 01209205050 |
| Cadence Networks Ltd | LVL | 61 Oaklands Avenue, Brighton, BN2 8PB | 2034756800 |
| Cader Networks LtdCADER NETWORKS LTD | RYU | Ty Capel Soar, Machynlleth, SY20 9PA | 01650519260 |
| Caiman ITS LtdCaiman Information Technology Services Limited | JCJ | Paragon House, Aberdeen, AB115QP | 1224937070 |
| Calder IT LtdCALDER IT LTD | PEU | Suite F5 Trinity House, Halifax, HX1 2QR | 03300020088 |
| Caldera IT Limited | IAN | 32 Meadway, Kent, TN11 9HA | 0843 2241000 |
| CaleycomCaleycom Limited | QBX | 70 St Clement St, Aberdeen, AB11 5BD | 01224571700 |
| Calibre Connections ITCALIBRE CONNECTIONS IT LIMITED | HHC | St Davids House, Brecon, LD3 7BN | 01874 640 040 |
| Calibre Network Limited | BVB | — | — |
| Calibre Telecoms LtdCalibre Telecoms Limited | GMK | The Barn, East Sussex, BN25 4QL | 01323 815 015 |
| CalidoreCalidore Computer Systems Ltd | GWW | Waterside Drive, Gateshead, NE11 9HU | 0191 487 9558 |
| Call Flow Solutions LtdTrooli Ltd | CAF | Suite A & B, West Malling Kent, ME19 4YT | 01622 873810 |
| Call Handling Services Ltd | EQL | Bakerloo Chambers, London, W1 1DY | 0333 3210888 |
| Call NavigatorReality Network Services Limited | CGU | Vickers House, Basingstoke, RG24 9NP | 08707 606 606 |
| Call Plan Solutions Ltd | GMR | 36 College Road, North Yorkshire, HG4 2HA | 0333 3230050 |
| Call StreamCall Stream Limited | BMU | Bordesley Hall, Alvechurch, Birmingham, B48 7QA | 0870 787 7868 |
| Call-4-LessDigitel Technology Limited | BKP | 7 Cross Street, Barnstaple, Devon, EX31 1BA | 0870 750 0551 |
| Call127KDDI Europe Ltd | DVZ | Atlas House, London, EC2V 8AU | 0800 631 3131 |
| Call27Call27 Telecommunications Ltd | KYT | 18 Riverside Studios, NEWCASTLE UPON TYNE, NE4 7YL | 1915802727 |
| Callable LimitedCALLABLE LIMITED | DTT | Unit 6, The Old Printworks, Eastbourne, BN21 3AW | 0845 610 6456 |
| CallabyCALLABY LTD | SQG | 12 Wharf House, Norwich, NR1 1FX | 07757220719 |
| Callblocker LtdCallblocker Limited | GTH | 2 Cromwell Street, Worcester, WR4 9EN | 01905 388 000 |
| Callidus CommunicationsCallidus Communications Ltd | JJK | 132-134, Manchester, m4 6DE | 7708177791 |
| CallmasterCallmaster Ltd | BPW | Wrecclesham Road, Fernham, Surrey, GU10 4PS | 01252 711 053 |
| Callmaster MobileCallmaster Mobile Limited | KYX | C3 Endeavour Place, Farnham, Surrey | 1252854352 |
| Callmonitor LtdCallmonitor Limited | BCT | 207 Regent Street, London, W1B 4ND | 0800 074 7456 |
| Calloo ADSLShetland Broadband Llp | HUW | 4 Market Street, Shetland, ZE1 0JN | 01595 696 297 |
| Calls 4 Business Ltd | EXN | The Stables, Findern, DE65 6AS | 0844 908 0080 |
| Calls Management LtdThe Calls Warehouse Limited | FRY | 23 New Mount Street, Manchester, M4 4DE | 0161 212 7373 |
| Calteq Limited | DIT | 4a The Lanterns, Herts, SG8 7BX | 0808 146 7000 |
| Calyx NetworksCalyx Networks Limited | EWR | The Pavilion, Didsbury, M20 2LS | 0870 055 0000 |
| Cambition IT Services LtdCAMBITION IT SERVICES LIMITED | PYQ | Welding Alloys Ltd (Cambition), Royston, SG8 7QS | 07816829030 |
| Cambrian ConnectCAMBRIAN CONNECT LIMITED | PAR | 168, Cardiff, CF24 3JE | 07980985940 |
| Cambridge Computer SystemsCamCom Tech Ltd | JIV | 25 Rosemary House, Newmarket, CB8 7PN | 1638751485 |
| Cambridge Fibre Networks Ltd.Cambridge Fibre Networks Ltd | LYP | 21 Signet Court, Cambridge, CB5 8LA | 01223 446000 |
| Cambridge Helpdesk LimitedCAMBRIDGE HELPDESK LIMITED | QBJ | South Fens Business Centre, Chatteris, PE16 6TT | 01223755999 |
| Cambridge NetworksCAMBRIDGE NETWORKS LTD. | SLP | Network House, Cambridge, PE28 3AR | 01487824538 |
| Cambridge Support LtdCAMBRIDGE SUPPORT LIMITED | NGC | 4 Fenice Court Phoenix Business Park, St. Neots, PE19 8EP | 01223 736200 |
| Cambridge Telecom LtdCAMBRIDGE TELECOM LTD | MEF | 67, Ipswich, IP3 8PB | 1223661636 |
| Camloc Security LtdCamloc Technical Services Group Ltd | MRD | 11 Millbrooke Close, Northampton, NN5 5JF | 8456893008 |
| Camping ConnectCampingconnect Ltd | NQJ | Unit 10/12, Swansea, SA1 1HG | 01792 277230 |
| Capacity2learnCAPACITY2LEARN LTD | PQG | Advanced Technology Innovation, Loughborough, LE11 3QF | 01162352201 |
| Capita Shared Services LimitedCAPITA SHARED SERVICES LIMITED | QWX | 65 Gresham Street, LONDON, EC2V 7NQ | 07716226180 |
| Capital Network Solutions Limited | FGC | Cardiff House, Vale of Glamorgan, CF63 2AW | 0845 3054118 |
| Capital Networks Ltd | JCF | 65 Liscard Village, Merseyside, CH454JL | 8454705704 |
| Capital Support Ltd | FFW | 3 Harbour Exchange Square, London, E14 9GE | 020 7458 1250 |
| Capital TelecomCapital Telecom (London) Ltd | DWZ | 81 Chevening Road, London, SE19 3TD | 0845 688 3997 |
| CapitoCapito Holdings Limited | DGD | Caputhall Road, Livingston, EH54 8AS | 0845 644 3601 - 01506 472 492 |
| Capstan Communications LimitedCapstan Communications Ltd | DKL | Unit B, Blatchford Road, West Sussex, RH13 5QH | 01403 221728 |
| Capstone Network SolutionsCapstone Intelligent Solutions UK Limited | GEC | 2 London Wall Buildings, London, EC2M 5UU | 020 7993 9395 |
| CaraCARA NETWORK SOLUTIONS LIMITED | RXZ | Unit 1c 4 Westbank Drive, Belfast, BT3 9LA | 02890772200 |
| Cara TechnologyRESTORE COMPUTER SERVICES LIMITED | RES | Cara House, Macclesfield, SK11 6QF | 01625615384 |
| Carbon CommunicationsCARBON COMMUNICATIONS LIMITED | SQL | 68 Queens Road, Aberdeen, AB10 1YL | 01224548600 |
| Carden CommunicationsCarden I.T Services Limited | FLJ | Ingleby House, East Sussex, BN1 8AF | 01273 552059 |
| Care Computers ConnectCare Computers and Services Limited | GDW | Power House, Berkshire, SL4 5EU | 01753 833 177 |
| Care SoftwareOctopus 365 Ltd | LPM | TechHub, Swansea, SA1 1NW | 1792685568 |
| Carey I.T. ServicesCAREY I.T. SERVICES LTD | PRH | Gemini House, Swindon, SN255AZ | 07708311935 |
| Cargen Data Systems | QTG | Red Lodge, Dumfries, DG2 8EU | 01387440044 |
| Carlton ReeceCarlton Reece Limited | FXX | 145-157 St John Street, London, EC1V 4PW | 0845 163 99 88 |
| Carnock Communications LtdCarnoco Ltd | RJB | LIBERTY BUSINESS CENTRE, DUNFERMLINE, KY11 2YB | 01383344891 |
| Caroleo TechnologyCaroleo Technology Ltd | JFY | 1a Woodland Road, London, SE19 1NS | 020 3137 6492 |
| Carphone Warehouse BusinessThe Carphone Warehouse Limited | HLL | Unit 23, Poole, BH12 1DW | 0800 130 0688 |
| Carrera UK Ltd | KPI | 1000 Lakeside, Portsmouth, PO6 3EZ | 2392610123 |
| Carreras CommunicationCarreras Communications Ltd | GMT | Carreras House, Swansea, SA7 9LA | 01792 368111 |
| Carritech Network ServicesCarritech Limited | ETB | Hedgerows, East Sussex, TN21 0LJ | 01435 812 306 |
| Carter Utilities Ltd | LRL | 40 The Badgers, Weston Super Mare, BS22 7RF | 01934 315300 |
| Case Communications LtdCase Communications Limited | FFJ | Unit 12E Norths Estate, High Wycombe, HP14 3BE | 0845 643 0800 |
| CasperNetCasperTech Ltd | LJI | St John's Innovation Centre, Cambridge, CB4 0WS | 1273930269 |
| Cassidy Web Services LtdCASSIDY WEB SERVICES LTD | NRR | Unit 48 Canterbury Innovation Centre, Canterbury, CT2 7FG | 03304455960 |
| Castle ComputersARMSTRONG & DENTON LLP | RIM | Unit 1, Carlisle, CA1 2QJ | 01228590900 |
| Catalyst Communications Networks Ltd | CSC | 88 Wood Street, London, EC2V 7RS | 020 7871 3030 |
| Catch TelecomCatch Telecom Limited | FJD | Westward House, Surrey, GU15 3DB | 01276 590 000 |
| CatixsCATIXS LTD | RVT | 6 Watergate Walk, London, E14 9XH | 02046007777 |
| Catonic LTDCATONIC LTD | RRM | 4 St. Cuthberts Avenue, DUMFRIES, DG2 7NZ | 07703422253 |
| Caudwell CommunicationsCaudwell Communications Limited | BXG | Christie Fields, Manchester, M21 7QS | 0161 451 1000 |
| Caudwell Communications/HomecallCaudwell Communications Limited | BCQ | Christie Fields, Manchester, M21 7QS | 0161 451 1000 |
| Caultex Technology LtdCaultex Technology Limited | EZG | Dingle House, Bucks, SL2 3EA | 0844 804 0123 |
| Cause Call | BJE | — | — |
| Causeway Telecom Ltd | IZM | 70 Ballyrashane Road, Coleraine, BT52 2LL | 2870326623 |
| Cavendish Communications Ltd | IHG | New Road, Newhaven, BN9 0ES | 1273615600 |
| Cedar TelecomCedar Telecom Limited | BBZ | Innovation House, Oxford, OX2 0JX | 01865 458 609 |
| CellCall Ltd | BMC | — | — |
| CellPipe Limited | GWM | Compass House, Wooburn Green, HP10 0PY | 01628 529 568 |
| Cellhire PLCCellhire Limited | GNR | York, YO30 5PB | 01904 610 610 |
| Cellphone ConnectThe Cellphone Store Ltd | FDW | 6 Fishergate Court, Lancashire, PR1 8QF | 020 8457 2470 |
| Cellular SolutionsCellular Solutions (North East) Ltd | JAF | Ferryboat House, Sunderland, SR5 3JN | 1915165990 |
| Cellular Solutions & Services LtdCellular Solutions & Services Limited | EGI | Solutions House, Hove, BN3 7GS | 01273 424220 |
| Cellular Solutions Network Services Ltd | GCF | Solutions House, Hove, BN3 7GS | 01273 424 220 |
| Cellular UK Ltd | MGF | 8C & D HIGH STREET, POTTERS BAR, EN65AF | 3338009888 |
| CeltriiXMr Callum Edward Jones | PNF | 47 Clayfield Road, Mexborough, S640HW | 07910142885 |
| CenterpriseCENTERPRISE INTERNATIONAL LIMITED | PGQ | Lime Tree Way, Basingstoke, RG24 8GQ | 01256 378000 |
| Central Business SystemsM & A Mckeag | JMH | 11 Windmill Business Park, Saintfield, BT24 7DX | 2897510991 |
| Central CommsCENTRAL COMMUNICATIONS LTD | NZN | 37 Antony Road, Birmingham, B90 2NX | 03333661110 |
| Central IT Ltd | QFR | 1 Magee Close, Nottingham, NG15 6XG | 01159760008 |
| Central IT Ltd | HPB | Unit 18 Pottery Court, Nottingham, NG6 8GN | 0845 888 4634 |
| Central IT Solutions Ltd | HWQ | AMCO House, Redditch, B98 9EX | 01527 908 679 |
| Central Networks and Technologies Limited | IJQ | Sandbrook Way, Rochdale, OL11 1LQ | 1706747474 |
| Central TechnologyCentral Technology Limited | EGY | Central Technology Ltd, Chesterfield, S41 9FG | 08456 43 43 46 |
| Central Telecom Limited | BVK | — | — |
| Centralinc Systems Ltd | INQ | 22 Park Road, Spalding, PE12 7EE | 1406426768 |
| Centrepoint Technology LtdCentrepoint Technology Solutions Ltd | IMF | Southbridge House Southbridge Place, Croydon, CR0 4HA | 20307409225 |
| Centric Comms LtdCENTRIC COMMS LTD | GQB | 112 Main Road, Sidcup, DA14 6NE | 0333 321 4235 |
| Centric Communications LtdCENTRIC COMMUNICATIONS LTD | QEE | Thursby House, Bromborough, CH62 3PW | 0151667565 |
| Centriq Ltd | KJF | 8 The Square, Middlesex, UB11 1FW | 3302207115 |
| CentriwareSentriware Technologies Ltd | PCU | Kemp House, London, EC1V2NX | 02074594457 |
| Centrix Limited | BRZ | Winchfield Lodge, Winchfield, Hampshire, RG27 8BT | 0870 143 4343 |
| Centro WebnetCentro Webnet Limited | BND | 17 Union Street, Cannock, WS11 3BY | 01543 574 422 |
| Centurion Computers LtdCENTURION COMPUTERS LTD | RGK | Burnside House, Hexham, NE46 3RU | 01434604800 |
| Century Cloud LimitedCENTURY CLOUD LIMITED | RVE | Formation Works Building, 11-12 Edgewater Road, Belfast, BT3 9JQ | 02890406360 |
| Cerberus NetworksCerberus Networks Ltd | FCM | 9 Walmagate Road, Middlesex, UB6 7LH | 0845 2571333 |
| Cerro Torre LtdCERRO TORRE LTD | QZK | 8 Valley Mews, Oldham, OL3 7FH | 07534206173 |
| Certum Limited | KJI | 201 Bath Street, Glasgow, G24HZ | 0345 872 9728 |
| Certus Communications LtdAdvantage Hub Ltd | EWC | Suite 3.2, Glasgow, G1 3TA | 0845 520 5999 |
| Certus Technology GroupCertus IT Ltd | HHJ | Redcliff House, Newport, NP10 8FY | 0333 370 8090 |
| CeruleanCerulean Solutions Limited | HMC | Solar House, London, N14 6HA | 0845 230 6670 |
| Cervantes TelecomCervantes Telecom Ltd | DRR | 79 College Road, Harrow, HA1 1BD | 0330 088 3200 |
| CetsatCETSAT Ltd | IYV | Telstar House, Yeovil, BA22 8RT | 8450948777 |
| ChalklineCHALKLINE SOLUTIONS LIMITED | SKF | Unit 1 Elstree Gate, Borehamwood, WD6 1JD | 02038193300 |
| Challenger Mobile Communications Ltd | IYB | Parkway, Flintshire, CH5 2NS | 1244837837 |
| Chalvington GroupChalvington Communications Ltd | BPD | Units 6&7 Apex Business Park, East Sussex, BN27 3JU | 01323 440 555 |
| Chameleon Support Ltd | GVP | The Business Place, Mansfield, NG19 8ER | 08443 575837 |
| Chandler ComputersChandler Computers Limited | IRH | 45 Anstey Fields, Birmingham, B23 5RL | 1213644545 |
| Change ConnectCHANGE CONNECT LTD | NQD | 27, London, SE1 8TG | 02079236032 |
| Channel NetworksChannel Networks Services Ltd | CLR | Channel House, BRISTOL, BS3 2BJ | 0117 900 5000 |
| Channel Partners LimitedChannel Partners Ltd | MDA | The Bothy, Albury, GU5 9BH | 01483 205011 |
| Channel UtilitiesCHANNEL UTILITIES LTD | NPN | CT, HARPENDEN, AL5 5NT | 08001444465 |
| Charles Street Communications LtdEverything Tech Group Limited | DNB | 6 Duke Street, London, SW1Y 6BN | 020 7451 1313 |
| Charles Street Solutions Limited | JDZ | 28 Throgmorton Street, London, EC2N 2AN | 2072562288 |
| Charlton TelecomCharlton Networks Ltd | DLG | The Canterbury Business Centre, Gloucestershire, GL20 8BT | 01684 856830 |
| Charter Software LtdCharter Software Limited | HXE | The Coach House, Tenterden, TN30 7NB | 0117 230 6992 |
| CharterFastCharterdigital Ltd | QEU | 124 City Road, London, EC1V 2NX | 03300102629 |
| Chartered CommunicationsENERGY PRICES DIRECT LIMITED | NFD | 272, Glasgow, G2 4JR | 01413541694 |
| Charterhouse Voice & Data PLCCharterhouse Voice & Data Limited | BJV | Gate House, London, EC2A 3DQ | 020 7613 7395 |
| Chaser Communications LtdCHASER COMMUNICATIONS LTD | QKR | 184 Portland Road, Newcastle upon Tyne, NE2 1DJ | 08453403703 |
| Chat NetworkChat Network (UK) Ltd | MQM | 71-75 Shelton Street, London, WC2H 9JQ | 8443510661 |
| ChattrKASHCOW LIMITED | PPE | 247, Manchester, M35EP | 07463665320 |
| Chauhan Ltd | LYF | 3 Mercia Village, Coventry, CV4 8HX | 2476998229 |
| Check Communications Ltd | BZU | — | — |
| Check The BillsCHECKMYBILLS LTD | NWL | 189a Rochdale Road, Oldham, OL1 2HX | 07791976455 |
| Cherry Orange LtdCHERRY ORANGE LTD | RCM | 27 Wordsworth Way, Measham, DE12 7ER | 01530 888056 |
| Cheshire Business ServicesCheshire Business Services (2008) Limited | IMN | 89-91 Buxton Road Heaviley, Stockport, SK2 6LR | 0161 487 3332 |
| Chess Limited | BSF | — | — |
| Chesterfield Associates | FPZ | Fitzroy House, Surrey, KT4 7AT | 020 8715 0200 |
| ChestnutCHESTNUT INFRASTRUCTURE LTD | QLW | 3 Bromyard Road, Worcester, WR6 5LP | 01905905415 |
| Chi Technology LtdCHI TECHNOLOGY Ltd | MCB | Hilken House, 10 Shottery Brook Office Park, Stratford-upon-Avon, CV37 9NR | 1789404707 |
| Chicane InternetChicane Internet Ltd | HPT | Pegasus 1 Orion Business Park, Suffolk, IP6 0LW | 020 3137 4445 |
| Chilli Comms Ltd | MAG | 14 Pennycress, Bristol, BS16 7GG | 01173 700 247 |
| Chilli Telecom Limited | EDF | New Chartered House, West Yorkshire, BD19 3QB | 0844 8710181 |
| Chiltern Telecom Limited | FZN | 13 St Mary's Glebe, Edlesborough, LU6 2RB | 01582 604 040 |
| Chime Telecom Ltd | BRG | — | — |
| China Mobile InternationalChina Mobile International Limited | MBR | Level 30, Tower 1, Kowloon Commerce Center, 51 Kwai Cheong Road, Kwai Chung, Hong Kong, 0 | (852) 3155 6986 |
| China Telecom (Europe) LtdChina Telecom (Europe) Limited | KZG | 2nd Floor Bellerive House, London, E14 9SZ | 020 7536 8340 |
| Choice BroadbandOCEAN BROADBAND LTD | SBV | 50 Christchurch Road, Ringwood, BH24 1DW | 01425 837 008 |
| Choice Non Geo & Choice SwitchVeritas Communications Limited | DTL | Oakfield, Sevenoaks, Kent, TN15 7PT | 020 7047 4446 |
| Choice TelecomsCHOICE TELECOMS LTD | PLR | 16 Orby Grange, Belfast, BT5 5PR | 028 9002 0092 |
| Choose BroadbandChoose Broadband Limited | JIY | Top Apartment, Lancaster, LA1 4XJ | 152466909 |
| Chorus ITChorus IT Ltd | HNK | 1 Serbert Way, Bristol, BS20 7GD | 01275 398 900 |
| Christopher Stephenson | JVV | Craigdarroch, Fort Augustus, PH32 4BG | 1320366256 |
| Chrome Telecom Limited | GUR | 106 Kiln Road, Fareham, PO16 7UN | 01329 482 516 |
| ChunkyChips.net CommsChunkyChips.net Ltd | CFM | ChunkyChips.net Ltd, Chelmsford,Essex, CM2 6HE | 0870 255 8000 |
| Cilix LimitedCILIX LIMITED | PPV | 156b, Farnborough, GU148AL | 01252 758244 |
| CinosCINOS LIMITED | NWK | Unit 4.9 Hitech, Camberley, GU16 7SG | 02038802026 |
| Cinos Communication ServicesCinos Communications Services ltd | MLY | Cranfield Innovation Centre, University Way, Cranfield, MK43 0BT | 0203 841 9970 |
| Cipher ITCipher IT Services Limited | MBH | 100 Ock Street, Abingdon, OX14 5DH | 1235884797 |
| Ciptex Ltd | KYU | Unit 2, Brighton, BN2 6NX | 0845 880 8080 |
| Circle Cloud LtdCIRCLE CLOUD LTD | RYF | Fusion Hive, Stockton-on-Tees, TS18 2NB | 07977258070 |
| Circle Communications LimitedCCRM Services Limited | MQS | 23 Goodrich Grove, Coedkernew, NP10 8SY | 800544644 |
| Circle Computers Limited | FEH | Chipping Court, Herts, SG9 0DP | 01707 818 085 |
| Circle IT Solutions Ltd | FVZ | 2 Lime Tree Court, Cardiff, CF23 8AB | 0330 333 8001 |
| Circlenet LLPCircleNet LLP | JHF | 12, Southampton, so18 3ae | 2380476645 |
| Cirencester Computer RepairsCirencester Computer Repair Ltd | FWE | 76 Cricklade Street, Cirencester, GL7 1JN | 01285 700 012 |
| CirrusGREATIT CO LIMITED | NBP | Riverside Innovation Centre, Chester, CH1 1DS | 03301310966 |
| Cirrus 5Armco IT Consulting Ltd | IAR | 10 The Maltings, North Yorkshire, YO17 7DP | 01653 699513 |
| Cirrus ConnectCIRRUS BLUE LIMITED | NJW | 19 Canonsfield, PETERBOROUGH, PE4 5AQ | 01733235000 |
| Cirrus IT Services(UK) Ltd.Cirrus IT Services (UK) Ltd. | IXT | 6 Smirthwaite Street, Burnley, BB11 4AZ | 3303500252 |
| Cirrus TelecomCirrus 3 Ltd | JMY | 145-157 St John street, London, EC1 4PW | 8451800936 |
| CirrusMSPCIRRUS MSP LIMITED | RRQ | Roman Way Business Centre, Droitwich, WR9 9AJ | 01905918229 |
| CisilionCisilion Ltd | MAL | Guildford Road, Leatherhead, KT22 9UT | 087 0152 5750 |
| Citrus Networks VoIP ServicesCitrus Networks UK Ltd | DJF | Orchard House, Surrey, CR3 0DS | 020 7100 2410 |
| Citrus Telecommunications Ltd | BWC | — | — |
| City College NorwichNorwich City College of Further and Higher Education | MWD | IT Services, Norwich, NR2 2LJ | 1603773038 |
| City CommunicationsCity Communications Ltd | FUS | 64 Amy Street, Leicester, LE3 2FB | 0116 303 3234 |
| City Numbers Ltd | DLH | Office 22, Birmingham, B3 2EW | 0845 366655 |
| City PMcity properties management ltd | IRP | 100a Northwold Rd, London, E5 8RL | 2075027447 |
| City Voice and DataCity Voice & Data Ltd | ERL | 152-160 City Road, London, EC1V 2NX | 0845 5192622 |
| Citycom Technologies Ltd | GVD | 70 St Mary Axe, London, EC3A 8BE | 2078704841 |
| Citytalk Communications Ltd | EUE | Unit 8 Bridgegate Business Park, Bucks, HP19 8XN | 0845 618 9828 |
| Citytalk GroupCITYTALK GROUP LTD | NKM | Hewgate House, Aylesbury, HP19 8RT | 01296744310 |
| Citytalk Midlands LtdMint Telecommunication Limited | KDT | 5a Anglo Business Park, Aylesbury, HP19 8UP | 1296744310 |
| Civica UK Limited | GCE | Vanguard House, Leeds, LS11 5DD | 0113 244 1404 |
| Claranet | CAY | 21 Southampton Row, London, WC1B 5HA | 020 7685 8310 |
| Clarenden CommunicationsCLARENDEN COMMUNICATIONS LIMITED | SDU | 33a, Southampton, SO19 9BA | 03330384550 |
| Clarion Communication Management LimitedClarion Communication Management Ltd | CRT | Unit 5, London, W11 4BD | 08456 444 585 |
| Clarion Information SystemsCLARION INFORMATION SYSTEMS LIMITED | NLU | Unit M26 Hastingwood Ind Park,, Birmingham, B24 9QR | 01216631214 |
| Claritas Telecommunications LimitedClaritas Solutions Limited | DSM | Bowcliffe Hall, Wetherby, LS23 6LP | 01937 849966 |
| Claritel Ltd | GJB | Suite 19, Blackburn, BB2 4JF | 0844 412 8050 |
| Clarity TelecomClarity Telecom Limited | BLT | First Floor, Belfast, BT6 8DR | 0800 912 0999 |
| Clarity VoiceClarity Document Solutions (Bham Regional) | KQD | 100 Hagley Road,, Birmingham, B16 8QQ | 0330 123 2254 |
| Clarity voice & data communications Ltd. | LIP | 100 Harringdale Road, Workington, CA14 4NU | 1697320011 |
| Clark Integrated TechnologiesJera IT Limited | HPE | Auchterless, Aberdeenshire, AB53 8EP | 01888 511 441 |
| Claro Communications LtdCLARO COMMUNICATIONS LTD | NJF | 4 Sceptre House, Harrogate, HG2 8PB | 01423535333 |
| Clarus Site SolutionsClarus Networks Limited | KLE | Hudson House, 8 Albany Street, Edinburgh, EH1 3QB | 1312734688 |
| Class SystemsClass Affinity Projects Ltd | FRP | Givons House, Surrey, KT22 8LY | 0870 7700 321 |
| Class TelecommunicationsClass Affinity Projects Ltd | BLF | The White House, Leatherhead, Surrey, KT22 8BB | 0870 770 0321 |
| Cleanline Installations Ltd | GUP | Terminal House, Middlesex, TW17 8AS | 01932 260490 |
| Clear BusinessVerastar Limited | CYE | No. 1, Manchester, M33 2GS | 0333 014 3131 |
| Clear Computing Limited | EZD | 14b Brookside Business Park, West Sussex, BN16 3LP | 01903 786 702 |
| Clear ConnectionsCLEAR CONNECTIONS EUROPE LIMITED | NKS | 3rd Floor, London, W1B 3HH | 02037288790 |
| Clear PictureClear Picture Services Limited | KVV | 351b Northdown Road, Margate, CT9 3PB | 1843380750 |
| Clear Solution Telecoms Ltd | QQB | 15 Woodside Lane, Leeds, LS27 9JY | 07713428885 |
| Clear Telecom and Data Ltd | CUK | 41 Progress Road, Essex, SS9 5PR | 01702 512 990 |
| Clear VC Unified CommsClear Visual Communications Ltd | QQI | Rowan House, Manchester, M30 0WU | 03300883984 |
| Clear VoiceVaioni Group Limited | EKX | 14 Leslie Hough Way, Manchester, M6 6AJ | 0870 160 0650 |
| ClearCom LimitedClearcom Group Limited | QZL | 1 Cedar Office Park, Dorset, BS21 7SB | 03333050025 |
| ClearSkyITTOTAL COMPUTERS & ACCESSORIES LIMITED | PHB | Westfield House, Westbury, BA13 3EP | +441373864627 |
| Clearbase Solutions Ltd | GUN | Clearbase Solutions Ltd, Sheffield, S6 3AE | 0845 3710289 |
| Clearcall 2000Clearcall 2000 Ltd | BFZ | Unit 40, Potters Bar, Hertfordshire, EN6 3DQ | 0800 027 7066 |
| ClearlyIP Distribution | NYU | Regus House, Reading, RG6 1PT | 01184640868 |
| Clearpath Technology Limited | RVN | The Oakley, Droitwich, WR9 9AY | 01905935405 |
| Clearpath TelecomCLEARPATH TELECOM LTD | SJB | 7 Bushey Close, Welwyn Garden City, AL7 3HD | 01707959353 |
| Clearstream Technololgy LtdClearstream technology Ltd | EJD | Tredomen Innovation & Technology Centre, Hengoed, CF82 7FN | 0845 867 4075 |
| Cleartech Communications LtdCLEARTECH COMMUNICATIONS LTD | PGJ | 2nd Floor, 1 Atlas House, Bolton, BL1 2HB | 03333603861 |
| Clearview Networks LtdClearview Network Ltd | JJQ | Unit 3,, Glasgow, G14 0UG | 1412510040 |
| Clearwave Enterprise SolutionsClearwave Enterprise Solutions Ltd | GRN | 5 Audax Court, York, YO30 4RB | 01904 409 940 |
| Clements Innovations LimitedCLEMENTS INNOVATIONS LIMITED | PYB | 105 Bristol Road, Birmingham, B5 7TX | 01215730081 |
| ClevaGroupClevaGroup Ltd | JFM | Mill Studio, Ware, SG12 8PY | 03333 448 300 |
| Clevedon BroadbandGigaquad IT Solutions LTD | LXM | 3 Staples Close, clevedon, BS21 5BL | 7954801606 |
| Clever Nests LtdCLEVER NESTS LIMITED | SCM | Jacobian House, Preston, PR2 6AA | 07595711389 |
| Clever Talk LtdCLEVER TALK LTD | PQQ | Rugby House, Horwich, BL67JH | 03333231211 |
| Click NetworksClicknetworks Ltd | FFQ | 1 Tennant Avenue, South East Kilbride, G74 5NA | 0141 530 9116 |
| Click RightClick Right Ltd | KNT | 16 Gretton House, London, E2 0NT | 2089835727 |
| Click TelecomCLICK TELECOM LTD | RAQ | Little Billinge Scar Farm, Blackburn, BB2 6QT | 01254 476996 |
| ClickOn IT London (CITL)CLICKON IT LONDON LTD | QKS | Trident Court, Chessington, KT9 1BD | 03450941005 |
| Clik3 Limited | LJB | SUITE 7, CENTRAL OFFICE BUSINESS DEVELOPMENT CENTRE, SHROPSHIRE, TF3 3BA | 8449951989 |
| Clocom UK Ltd | IUL | 111 Wilmslow Road, Cheshire, SK9 3ER | 3333446677 |
| Clogher Valley Communications | HDP | 24 Main Street, Co Tyrone, BT77 0BD | 028 855 49869 |
| Cloud & CableCloud and Cable Ltd | RBP | 48 Guildford Road, Colchester, CO1 2RZ | 01376321330 |
| Cloud & Fibre Ltd | HDU | Communication House, Deeside, CH5 2NS | 0161 260 0196 |
| Cloud 4 SureCloud 4 Sure Ltd | MGL | 3 Lawrence Avenue, Rustington, BN16 3HU | 1903339955 |
| Cloud 9.0C9.0 LTD | SPE | 61 Bradley Court, Worcester, WR5 3GH | 01905 352293 |
| Cloud AgileCLOUD AGILE LTD | SNC | 204 Dunstable Road, Dunstable, LU6 2AN | 01582282686 |
| Cloud Align LimitedCLOUD ALIGN LIMITED | QBH | Kemp House, London, EC1V 2NX | 02081466199 |
| Cloud BoffinsVANICK CONSULTANCY SERVICES LTD | RMD | 3 Welton Avenue, Belper, DE56 1UD | 01332406006 |
| Cloud Bright Technologies LimitedCLOUD BRIGHT TECHNOLOGIES LIMITED | PRY | 23 Seabright, Worthing, BN11 3QR | 07921700481 |
| Cloud Broadband LtdCLOUD BROADBAND LTD | RWQ | Regus, KIDDERMINSTER, DY11 7QE | 01562636185 |
| Cloud BusinessFree To Perform IT Services Ltd | GQU | 8 North Street, Surrey, GU1 4AF | 0845 680 8538 |
| Cloud Business Communications Ltd | LSN | Stratton House, Derbyshire, DE5 3HB | 01773 768888 |
| Cloud CambridgeStar Voice Ltd | KWD | 5 The Quay, Cambridgeshire, PE27 5AR | 1480262222 |
| Cloud DialConnected Systems Solutions Limited | MQF | Kevin Harvey, Nottingham, NG1 1EQ | 0115 8813456 |
| Cloud DirectOn Direct Business Services Ltd - T/A Voice Direct | FEM | The Tramshed, Bath, BA1 5BB | 0800 0789438 |
| Cloud GeeksCLOUD GEEKS LTD | NXC | 82A, Kempston, MK42 7PU | 01234 889988 |
| Cloud HappiHOSTINGIT4U LIMITED | PAU | 3rd Floor, London, W1B 3HH | 02038806985 |
| Cloud IT Limited | HFV | Wenta Business Centre, Watford, WD24 7ND | 01923 606 268 |
| Cloud Intellect Limited | JXR | Unit 16, Market Harborough, LE16 8HB | 03336 661036 |
| Cloud Network Services LtdCLOUD NETWORK SERVICES LTD | PUP | West End Farm, Essendon, AL9 6AZ | 07766431090 |
| Cloud Nine Voice and Data LtdCLOUD NINE VOICE AND DATA LTD | NLN | 4th Floor,, Chelmsford, CM1 1JR | 08082505000 |
| Cloud Nu LimitedCLOUD NU LIMITED | MZZ | 3 Ryder Avenue, UK, WA14 1LX | 01618706377 |
| Cloud One ITCloud One IT Ltd | LGQ | 152-154 Coles Green Road, London, NW2 7HD | 0203 051 2521 |
| Cloud Phone Company LtdCloud Phone Co Ltd | MUW | Humberdale Farm, East Yorkshire, HU12 0AT | 1482770393 |
| Cloud ShepherdCloud Shepherd Limited | JHD | Unit 3, Elgar Business Centre, Worcester, WR2 6NJ | 0800 368 7373 |
| Cloud Shepherd LTDCLOUD SHEPHERD LIMITED | NJJ | Unit 1, Hallow, WR2 6NJ | 0800 368 7373 |
| Cloud Telecom Ltd | FGR | Unit 3, Kingfisher House, Kent, BR5 3QG | 0845 257 5720 |
| Cloud Voice & Data LtdCLOUD VOICE AND DATA LTD | NRI | 57a Church Street, East Sussex, BN25 1LD | 01323407775 |
| Cloud WaveCLOUDWAVE COMMUNICATIONS LTD | RTC | 31 Waterloo Court, Wolverhampton, WV1 4DJ | 01902243735 |
| Cloud2telCloud2tel Ltd | JVG | 14 Mall Chambers, London, W8 4DY | 7776222101 |
| Cloud4 Computers LtdCloud4 Technology Ltd | JUI | Acorn Business Centre, Leigh, WN7 3DD | 1618501264 |
| Cloud9 IP LimitedCloud 9 IP Limited | KXG | 4 Beechfield House, Banbury, OX16 9RR | 0333 210 8990 |
| Cloud9 Telecommunications LtdCLOUD9 TELECOMMUNICATIONS LIMITED | RUR | Ground Floor Beaumont House, Banbury, OX16 1RH | 01295413414 |
| Cloud9 TelephonyCloud9 Telephony Limited | GCD | Darwin House, West Midlands, DY6 7YB | 0121 546 0405 |
| Cloud9ineCloud9ine Communications LTD | MSP | 71-75 Shelton Street, London, wc2h 9jq | 3333583353 |
| Cloud9phonesKaptec Telecoms Services Limited | GLS | 49 London Road, Kent, ME16 8JE | 00 353 94 904 8900 |
| CloudCallCloudcall Limited | MDN | 1 Coulton Square, Leicester, LE1 1QH | 3303350000 |
| CloudCoCo LtdAspire Technology Solutions Commercial Ltd | MYN | One Aire Street, Leeds, LS1 4PR | 3330503990 |
| CloudCom 365ADVATEK (UK) LIMITED | PVX | Unit 11 Wilkinson Business Park, Wrexham, LL13 9AE | 01978 808605 |
| CloudConnXCLOUDCONNX LIMITED | JCQ | 1 Grove Road, Eastbourne, BN21 4TW | 0845 450 0550 |
| CloudConnectTSI WORLD LIMITED | QRX | 40/41 Great Castle Street, London, W1W 8LU | 01344985203 |
| CloudCover ITCloudCover IT Services Ltd | JAB | 131 - 133 Minerva Street, Glasgow, G3 8LE | 0141 280 2882 |
| CloudMattersCloudMatters IT Solutions Ltd | PNR | 71 Garrett Drive, Reading, RG2 9LD | 02045420800 |
| CloudNet IT SolutionsCloudnet IT Solutions Limited | NVB | Quoygrew, Orkney, KW17 2QR | 01856 520 138 |
| CloudScape ConnectCloudScape Connect Limited | GTE | Unit Q, Leicester, LE4 9HA | 0116 274 7360 |
| CloudStreamTELEF�NICA TECH NORTHERN IRELAND LIMITED | FEB | Concourse Building 1, Belfast, BT3 9DT | 028 9081 7171 |
| CloudTalk CommunicationsVirtual First Ltd | PQU | Mill House, Addlestone, KT15 2SF | 02034323136 |
| Cloudcell Technologies Ltd | KXT | 9 GREEN CLOSE, LONDON, NW9 8AT | 2036675490 |
| CloudfreeITCosurica Ltd | JIS | Unit S3,Keighley Business Centre, Keighley, BD21 1SY | 01535 358161 |
| CloudfusionCLOUDFUSION TECHNOLOGIES LTD | QLV | Barrington house, Heyes lane, Alderley Edge, SK9 7LA | 03301659944 |
| CloudologyCLOUDOLOGY SERVICES LTD | QSC | 2 Fredrick Street, London, WC1X 0ND | 02033551400 |
| Cloudscape IT LtdCLOUDSCAPE IT LTD | QJC | 47 Oxford Drive, London, SE1 2FB | 08447700199 |
| Cloudscape Network Systems Ltd | LIV | 47 Oxford Drive, London, SE1 2FB | 020 7403 3705 |
| CloudserveCLOUDSERVE LTD | QPI | Cherwell, Poole, BH13 6BS | 07972875571 |
| CloudstepsCloudsteps Ltd | JRK | 69 Farmleigh Drive, Crewe, CW1 3PY | 1270440044 |
| Cloudstream Technology Ltd | QNK | Cloudstream Technology, Kelty, KY4 0JR | 08000886555 |
| CloudtelecomCLOUD AND TELECOM SERVICES LIMITED | LNR | Hall Farm, Loddington, LE7 9XE | 1572717888 |
| CloudyITCloudy Group Ltd | KAY | 8 Homeground, Buckingham, MK18 1UH | 01280 814684 |
| Clouvider Limited | HIH | 88 Wood Street, London, EC2V 7RS | 0800 566 8160 |
| Clove TechHUGH SYMONS EXCHANGE LIMITED | QNC | Unit 12 Alder Hills Ind Est, Poole, BH12 4AR | 03301180686 |
| Clover IT Contracts Ltd | MWX | 15 Union Street, Derby, DE73 8FY | 1332650670 |
| Clovertec Ltd | HSL | 4330 First Floor, Leeds, LS15 8GB | 0113 887 3710 |
| ClubWizard LtdClubWizard Limited | GPA | 67-69 Whitfield Street, London, W1T 4HF | 0844 991 3786 |
| Clyde Solutions LtdKick Comms Limited | FSJ | 22 Payne Street, Glasgow, G4 0LF | 0141 353 4350 |
| Cmos technologyC-MOS TECHNOLOGY LIMITED | QUT | 24 Stafford Street, Walsall, WS2 8DG | 01922647669 |
| Co-Operative SystemsDorydale Limited | JMB | 20 Miles Street, London, SW8 1SD | 020 7793 0395 |
| CoBITSWCoBIT South West Limited | IHP | Chy Melyn, Shortlanesend, TR4 9DE | 0845 6422652 |
| CoLocker Ltd | JJZ | Cedar House, Hillingdon, UB10 0NF | 01908 886560 |
| CoRE Educational LtdCORE EDUCATIONAL LTD | NRT | The Centre of Reburbishment Excellence, Stoke-on-Trent, ST3 1PR | 0330 22 35 229 |
| Coactive ICT Limited | FNZ | Unit 14, Winsford, CW7 3QG | 0330 200 0554 |
| Coast Technology LTDCoast Technology Ltd | HNY | Wellwood House, Northumberland, NE61 1SU | 0191 580 0220 |
| Coastal Telecom Ltd | KXP | Colonial House, Leiston, IP16 4JD | 01728 635141 |
| Coates Consulting Ltd | HQD | 11 Leven Road, Fife, KY8 6AQ | 01333 329 118 |
| Cobalt CommunicationsCobalt Communication Solutions Ltd | FTZ | 2a North Street, Devon, EX1 2RH | 0139 290 8888 |
| Cobus CommunicationsCobus Limited | EDV | Empire House, East Yorkshire, HU3 4AQ | 01482 421070 |
| Cobweb SolutionsCOBWEB SOLUTIONS LIMITED | RSU | Delme 3, Fareham, PO16 8UX | 03333234934 |
| CoconutCOCONUT TECHNOLOGIES LIMITED | QBF | 71-75 Shelton Street, London, WC2H 9JQ | 08453642020 |
| Code 10 LTDCODE10 LTD | SKH | Sandbach Road, STOKE-ON-TRENT, ST6 2DR | 07305345334 |
| Code Zero Limited | KXB | 47 Coach Road, Southampton, SO31 4LA | 7900243985 |
| Coffee Cup SolutionsCOFFEE CUP SOLUTIONS LIMITED | PPQ | Unit 3, Millars Brook, Wokingham, RG41 2AD | 01183842175 |
| Cog multimediaCCG COMPUTER SOLUTIONS LTD | RDR | 10 Old Road, Maghaberry, BT28 2NF | 02892622232 |
| Cognito Software LimitedAugmented Reality Software Limited | HYI | 31 Church Street, Oldbury, B69 3AG | 0121 314 7745 |
| Cohesion CommunicationsCohesion Communications Ltd | LCX | 3 The Green, Solihull, B90 4LA | 0121 794 9297 |
| Colbek SystemsColbek Systems Limited | ISR | 1 Colbek Court, Nuneaton, CV10 9SP | 024 7639 7070 |
| Colchester FibreCOLCHESTER AMPHORA TRADING LIMITED | RXH | Rowan House, Colchester, CO33WG | 01206508795 |
| Colemans of Bedford | LXL | 28 High Street, Wellingborough, NN10 8PA | 07860 774411 |
| Colins IT Ltd | KZS | Unit 1 Curriers Close, Coventry, CV4 8AW | 2476960946 |
| ColiptusCOLIPTUS TECHNOLOGIES CO LTD | QXM | 10 Beaufort Court, London, E14 9XL | 03302231092 |
| CollabifyCOLLABIFY LTD | RLT | Sunnybank Farm, Newport, NP10 8RQ | 03300431985 |
| Colt Technology Services | BZR | — | — |
| ColtelCL 2020 Limited | IWK | Unit 1, Tyseal Base, Aberdeen, AB12 3AW | 1224899299 |
| Columbus TelecomColumbus Telecom Limited | BTM | Milngavie Enterprise Centre, Glasgow, G62 8PH | 0870 060 3602 |
| Columbus Telecom SolutionsColumbus Telecom Solutions Limited | BNE | 1 Colquhoun Drive, Bearsden, Glasgow, G61 4NQ | 0141 943 1943 |
| ColvaCOLVA LTD | RNS | Unit 8 Viceroy House, Southampton, SO15 1HY | 07968 231 168 |
| Colva TechCOLVA TECH LTD | RUD | 8 Viceroy House, SOUTHAMPTON, SO15 1HY | 02380179514 |
| Com SystemsITG Ltd | IYR | Unit 9, Bury, BL9 7NY | 0161 402 3277 |
| ComartComart Holdings Ltd | LPT | Technology House, Rotherham, S65 1NS | 01709 363418 |
| Combined NetworksCombined Networks Limited | QXS | Estuary House, EXETER, EX2 7XE | 07837531747 |
| Combined OutsourcingCombined Utilities (Hartlepool) Ltd | NCJ | 86 motherwell road, hartlepool, TS25 3QX | 07595944057 |
| Combitel LtdCOMBITEL LTD | KAI | 37 Rhos Road, Conwy, LL28 4RS | 1492542421 |
| Comcen TechnologyComcen Computer Supplies Ltd | DKC | Bruce Road, Swansea, SA5 4HS | 01792 515 566 |
| Comex it LtdComex IT Ltd | GUD | County House,, Swansea, SA6 8JG | 08447 706262 |
| ComgenialCOMGENIAL LTD | QTP | 7 Queensbridge, Northampton, NN1 4EU | 07852000222 |
| Comis TechnologyComis Technology Ltd | LRP | 162-168 Regent St, London, W1B 5TD | 2037407190 |
| Comm 21AllPoints Fibre Networks Limited | CIJ | 6 Manor Court, Hants | 0845 408 1212 |
| Comm ServicesAdrian James | JXY | The Chambers, High Peak, SK23 0EN | 8445042986 |
| Comm-TechComm-Tech Voice & Data Limited | DQK | Communications Centre, Norwich, NR1 1PD | 01603 218 600 |
| CommCloud LtdCOMMCLOUD LTD | RYE | 3rd Floor, London, EC2A 4NE | 02030112530 |
| CommWorxCOMMWORX LTD | PSG | 20-22 Wenlock Road, London, N1 7GU | 02038754353 |
| CommWorxCOMMWORX (ZONE) LTD | PTL | 20-22 Wenlock Road, London, N1 7GU | 02038754353 |
| Commercial Business Communications Ltd | NEP | 26 Hastings Road, Leyland, PR25 3SP | 03333447769 |
| Commercial IT ServicesCommercial Limited | GDG | Commercial House, Leckhampton, Cheltenham, GL53 0DL | 01242 703 400 |
| Commercial Networks Ltd | KFY | Hill Quays, Manchester, M15 4PZ | 3334443455 |
| Commi Holdings LtdCommi Holdings Limited | BQL | Top Lodge, Marlow, SL7 2DX | 3332470000 |
| Commlinx Communications | RQY | Nidderdale House, Harrogate, HG3 3BA | 03334439995 |
| Comms Circle LimitedCOMMS CIRCLE LIMITED | PNK | Kemp House, London, EC1V2NX | 02038831395 |
| Comms CompanyComms Coefficient Limited | JHI | 3, Tannery House, Send, GU23 7EF | 2034189000 |
| Comms ConsultMRT Technologies Ltd | FTY | 67 Chorley Old Road, Bolton, BL1 3AJ | 01204 306 357 |
| Comms Group (UK) Limited | FRM | Unit 2 IO Centre, Northampton, NN5 7UW | 0844 848 8144 |
| Comms IntelligenceManta9 Ltd | HBU | 63 Collingwood Court, Brighton, BN2 5WJ | 01273 652300 |
| Comms Management Limited | CDT | Connaught House, North Wales, LL32 8UB | 0845 450 3040 |
| Comms Partner LtdSears Communications Ltd | EMJ | 22 South Audley Street, London, W1K 2NY | 020 7078 7980 |
| Comms Solve | DXD | 1a Church Lane, Hertfordshire, WD3 6HN | 0845 345 1454 |
| Comms Solve Limited | FNR | Eastmead House, Hertfordshire, WD3 5TE | 0845 345 1454 |
| Comms Source LtdComms Source Limited | GPB | 96 Darwen Street, Blackburn, BB2 2AJ | 01254 661 100 |
| Comms UKComms Uk Limited | CYW | Unit 8 Victory Close, Wimborne Dorset, BH21 6SX | 01202 823400 |
| Comms Unite Ltd | GSN | 1A Summit Business Park, Suffolk, IP11 2JB | 01394 799 001 |
| Comms WestCOMMS WEST LIMITED | QRW | Swallowfield, Fort William, PH33 7NP | 07764471310 |
| Comms-careCOMMSCARE GROUP LIMITED | NBE | Cheshire Avenue, Northwich, CW9 7UA | 01606811339 |
| Comms365Comms365 Limited | HFC | Unit 28 Cranfield Innovation Centre, Bedfordshire, MK43 0BT | 01234 865 880 |
| CommsFM LtdCommsFM Limited | BSG | 5 Royal Exchange Square, Glasgow, G1 3AH | 0800 975 0700 |
| CommsNet Solutiuons LtdCommsNet Solutions Ltd | KBJ | 60 Carberry Way, Stoke on Trent, ST3 5QU | 03300 555855 |
| CommsProviderComms Provider LLP | GIZ | The Continuum, West Yorkshire, HX7 5QQ | 0845 855 0700 |
| CommsSolutionsComms Solutions Limited | EDN | 1 Sherman Road, Kent, BR1 3JH | 020 8313 6684 / 6680 |
| CommsSolutionsCommsResources Limited | DDC | Number One, Kent, BR1 3JH | 0208 313 6680 |
| CommsairCommsplus Ltd | BDC | 51 Gazelle Road, Weston-Super-Mare, North Somerset, BS24 9ES | 01934 882 200 |
| CommscoMultinetwork Limited | KGY | Hawthorns House, West Bromwich, B66 1BB | 0870 861 0048 |
| CommswiseCommswise Ltd | GBN | The Old Smithy, Oxon, OX5 1RG | 01865 841 166 |
| CommsworldCommsworld Limited | CLM | 100 Borron Street, Glasgow, G4 9XG | 0845 330 5033 |
| CommsworldCommsworld Limited | BFN | Commsworld House, Edinburgh, EH16 4BB | 0141 353 4211 |
| CommsxchangeBellview Communications Ltd | FNS | 47 Cressex Enterprise Ctr, High Wycombe, HP12 3RL | 08000 093063 |
| Communicate Better Business SolutionsCommunicate Better Limited | DNA | 222 Manchester Road, Manchester, M28 3LU | 0845 273 6666 |
| Communicate TechnologyCommunicate Technology Limited | PSB | Wynyard Park House, Durham, TS22 5TB | 08004048888 |
| CommunicateUKCOMMUNICATEUK LTD | NAW | 5 Ashby Place, Chester, CH2 3AG | 07876860496 |
| Communication DynamicsCOMMUNICATION DYNAMICS LTD | RSM | 3rd Floor, London, W1S 4JL | 02045669990 |
| Communication Networks LtdCOMMUNICATION NETWORKS LTD | PHK | 3 Bishops Grove, Swansea, SA2 8BE | 07766066342 |
| Communication-StemCommunication Stem Limited | CVN | 15-16 Lower Park Row, Bristol, BS1 5BN | 0845 2410000 |
| CommunicationsCUSTOM TELECOM LIMITED | PSC | Bridge mills, Huddersfield, HD9 3TW | 01484680877 |
| Communications Solution Providers Ltd | CQA | 35 Worrin Road, Dunmow, CM6 3FU | 0845 127 9898 |
| Communications Solutions Ireland LimitedCOMMUNICATIONS SOLUTIONS IRELAND LIMITED | RSV | 121a, Bangor, BT20 5BD | 02895607129 |
| Communications Solutions UK LrdCommunications Solutions UK Ltd | GYC | 5 Woodside Business Park, Reading, RG2 8LW | 0118 920 9420 |
| Communications South Network ServicesCommunications South Ltd | CPM | 284 Hayling Avenue, Hampshire, PO3 6EF | 02392 833 993 |
| CommunicoCOMMUNICO TELECOM LIMITED | QQT | 16 Lowmill Court, Harrogate, HG3 3HJ | 07930670458 |
| Communicoms Ltd | DYE | Suite 1, Swan Park Business Centre, Staffordshire, B77 1AG | 0845 017 8811 |
| Community Action Suffolk | JBH | Brightspace, Ipswich, IP2 0HH | 1473345305 |
| Community FibreCommunity Fibre Limited | NCG | 32 Page Street, London, SW1P 4EN | 08000820770 |
| Community TechnologiesACE ENTERTAINMENT MIDLANDS LTD | SNI | Studio 9 St. Pauls Square, Birmingham, B3 1QS | 07393864963 |
| Community WavesCOMMUNITY WAVES CIC | RZX | Greenbanks, Hartlepool, TS24 7QT | 03005612580 |
| Compare SwitchCOMPARE SWITCH LTD | QFZ | 3 Frobisher Gardens, Staines Upon Thames, TW19 7DY | 07877886904 |
| Compatibility Limited | ISQ | Park road, Crowborough, TN6 2QX | 1892665326 |
| Compex IT Limited | MQH | 140 Cheston Road, Birmingham, B7 5EH | 0121 296 2500 |
| Complete Business SolutionsComplete Business Solutions (NW) Limited | DIC | 40 Devonshire Road, Bolton, BL1 4PQ | 01204-848414 |
| Complete Communications Staffordshire LimitedCOMPLETE COMMUNICATIONS STAFFORDSHIRE LIMITED | SKW | Synchro House, Newcastle-under-Lyme, ST5 0SY | 03333200521 |
| Complete Computer SolutionsComplete Computer Solutions (Derby) Ltd | KQH | 65a Friar Gate, Derby, DE1 1DJ | 8448844945 |
| Complete IT LimitedSharp IT Services (UK) Limited | FYV | 7 The Courtyard, Bucks, HP10 0DG | 01628 552860 |
| Complete IT Solutions Limited | LBT | 118 High Street, Northallerton, DL6 3DG | 020 7856 9000 |
| Complete IT SystemsComplete IT Systems Limited | EQB | Gumption Business Centre, West Yorkshire, BD5 0BQ | 0845 873 9631 |
| Complete Networks LtdComplete Networks Limited | DJM | The New Media Center, Nottingham, NG10 2DB | 0845 070 4440 |
| Complete Tech Solutions (NW) LimitedCOMPLETE TECH SOLUTIONS (NW) LIMITED | IZD | 181 hartsbourne avenue, Liverpool, L25 2RX | 0151 601 8323 |
| Complete Voice & Data Solutions LtdCOMPLETE VOICE & DATA SOLUTIONS LTD | NXN | Suite 40 Lymedale Business Centre, Newcastle-Under-Lyme, ST5 9QF | 03337729544 |
| Compower | HLQ | 101 Mercer street, Merseyside, WA12 9TL | 01925 594 040 |
| Comprehensive Computer Supplies LtdCOMPREHENSIVE COMPUTER SUPPLIES LIMITED | LVT | 165, Moorside, Coleorton, LE67 8GD | 0845058 9803 |
| Compuserve LiveCompuserve Ltd | JIK | European Business Park, Oldbury, B69 2BN | 3330069203 |
| Compuserve Services Ltd | MFM | Northdown Road, Surrey, CR3 7AA | 8707406563 |
| ComputaccountComputaccount (UK) Ltd | JIB | 11 High Street, Birmingham, B17 9NT | 0121 428 1111 |
| Computask LtdCOMPUTASK LIMITED | PLL | Unit 6m, Diamond Industrial Centre, Letchworth Garden City, SG6 1LW | 01438535050 |
| Computations | JSG | 16 Grove Orchard, Highworth, SN6 7LB | 1793861927 |
| Computeam Ltd | MST | Broadstone Mill, Stockport, SK5 7DL | 8008620123 |
| ComputecCOMPUTEC COMPUTERS LIMITED | NLH | 210 Manor Lane, London, SE12 0UA | 02084730678 |
| ComputecUKCOMPUTECUK LTD | NYS | 6 Clarence Street, Cleckheaton, BD19 5HJ | 01138980103 |
| Computer AssistanceWiseserve Limited | JED | 154 Oxford Road, Oxford, OX4 2EA | 1865451177 |
| Computer Care Consultants LtdCOMPUTER CARE CONSULTANTS LIMITED | PPD | Astley House, Chorley, PR7 1JU | 03333448051 |
| Computer Cavern | INF | Westhorpe Farm, Little Marlow, SL73RQ | 1628891101 |
| Computer DoctorComputerDr | JPV | 2 Gorefeld, Bishops Stortford, CM22 6TL | 01279 871719 |
| Computer DoctorsThe Computer Doctors Ltd | IMI | 1 Mallard Court, Northampton, NN6 0JF | 01604 411444 |
| Computer GeeksComputer Geeks Ltd | LNG | Orchard Street Business Centre, Bristol, BS1 5EH | 1173250370 |
| Computer Network Solutions (Scotland) Ltd | IQU | 9-11 Maritime Street, Edinburgh, EH6 6SB | 8701186900 |
| Computer Service CentreCSC IT Ltd | GVZ | 19 Meridian Way, Norfolk, NR7 0TA | 01603 431 200 |
| Computer SmartComputer Smart Ltd | KJY | Unit 10, Preston, PR3 1GD | 0845 508 2210 |
| Computer Solutions | HWP | 136 Cavendish Street, Cumbria, LA14 1DJ | 0845 6012831 |
| Computer Solutions Cymru Ltd | LBN | 18 Wynnstay Road, Colwyn Bay, LL29 8NB | 1492535000 |
| Computer StrategiesSprint Infinity Limited | IKQ | 4 Saxton, Guildford, GU2 9JX | 01483 238260 |
| Computer Surgeon Ltd | MBZ | 4 Mere Close, Chichester, PO20 8AG | 1243887434 |
| Computer-eyezComputer-eyez (south) Ltd | HYU | Enterprise Centre, Easy Sussex, BN9 9BA | 01273 806211 |
| ComputerMan | RFX | 33-35 Scott Hill, Huddersfield, HD8 9PE | 01484860200 |
| Computercentric Ltd | IGH | Anchor House, Walsall, WS9 8PW | 01922 324010 |
| ComputermanAvaio Ltd | LWS | T-mex House, Maidstone, ME15 9XY | 1622677677 |
| Computers365Computers365 Ltd | HVL | Bundorin Lea, North Somerset, BS23 2DR | 01934 310 010 |
| Computerworld SystemsCOMPUTERWORLD (SYSTEMS) LIMITED | QYL | Apex House, Yate, BS37 5YX | 01454338338 |
| Computors Limited | IBF | Creative Industries Centre, Wolverhampton, WV10 9TG | 01902 203001 |
| Comsave Limited | MCR | Network House, London, E4 7AA | 0844 8114455 |
| ComsenseCOMSENSE LTD | RZC | 7, Maidenhead, SL6 5DS | 01494326376 |
| Comspec TelecomsComspec IT Solutions Ltd | HJI | Comspec House, Bolton, BL1 8TQ | 01204 898 055 |
| Comtact LtdCyberone Limited | CSS | 46-48 East Smithfield, London, E1W 1AW | 08452 757575 |
| Comtec Enterprises LtdComtec Enterprises Limited | FQD | Comtec House, Surrey, RH2 9EL | 0845 899 1400 |
| Comtec Telecom Lines Ltd | JFT | Comtec House, Merthyr Tydfil, CF47 0BA | 01685 354550 |
| Comtec Telecom and Data Ltd | BHM | — | — |
| Comtek System SolutionsR Cooke T/A Comtek | JMT | 2 Henson Close, Co. Durham, DL14 6WA | 1388567120 |
| ComvergedDX Networks Ltd | JDX | Barclays House, Aylesbury, HP19 8DB | 1296343430 |
| ComvistaCOMVISTA NETWORKS LIMITED | EFZ | Baird House, Glenrothes, KY7 4NS | 01592210210 |
| Comxo Trading LtdComxo Limited | CRH | Pippin Grove, Berkshire, SL3 8QH | 01753 710 430 |
| ComzconsultCOMZCONSULT LIMITED | SGM | 123 Bennochy Road, Kirkcaldy, KY2 5TS | 01592210100 |
| Concept IT ServicesConcept IT Services Ltd. | IKK | F8-F9 Tanfield Lea Business Centre, Stanley, DG9 9DB | 8458382248 |
| ConceptunetConceptunet Limited | GUI | Unit 1 Flockton Park, Sheffield, S20 3FF | 0114 276 4960 |
| Concert Audio Communications LtdCONCERT AUDIO COMMUNICATIONS LIMITED | NEE | First Floor, Gibralter House, Burton upon Trent, DE14 2WE | 07831658120 |
| Concise IP Limited | EZP | Newlands,, Cambridgeshire, PE28 9JT | 0844 848 7447 |
| Concise IT LimitedConcise Technologies Limited | EHW | No2 Royal Court, Cheshire, CW9 7UT | 01606 336200 |
| ConcordeConcorde I Ltd | LDC | Unit 4 Merlin Business Park, Exeter, EX5 2UL | 01392 362088 |
| Concorde IT GroupCONCORDE INFORMATICS TECHNOLOGY GROUP LIMITED | JKJ | Concorde House, Ossett, WF5 9JS | 8432480000 |
| Condie IT Solutions LTD | HSV | 10 Abbey Park Place, Dunfermline, KY12 7NR | 0844 247 1144 |
| Conduit Networks Limited | DSU | 4th Floor, London, SW1E 6LB | 020 7100 5522 |
| Conexion Communications LtdAequos Limited | FET | The Coach House, Bucks, HP17 8JB | 01844 296 530 |
| Config Computer Services Ltd | HQV | 1B Fareham Park Road, Hampshire, PO15 6LA | 01329 310451 |
| Connal & CoConnal & Co LTD | IWL | 1 Mackenzie Place, Falkirk, FK1 5UJ | 1324631927 |
| Connate TelecomConnate Limited | LFS | 52 Norman Road, London, E11 4PX | 3333352020 |
| Connaught Communication Systems Limited | BJG | 14 Systems House, Sutton Coldfield, Birmingham, B75 7BU | 0121 311 1010 |
| ConneXions Network ServicesConnexions (Group) Limited | FZH | Marconi Road, Cumbria, CA2 7NA | 01228 514 369 |
| ConnecTalkCONNECTALK LIMITED | NCZ | The Old Rectory, Droitwich, WR9 0EW | 01905 677999 |
| ConnectExertis (UK) Ltd | FZX | Shorten Brook Way, Lancashire, BB5 5YJ | 01282 776 776 |
| ConnectConnect Communications UK Limited | IFP | Stobo House, Roslin, EH25 9RE | 1314407777 |
| ConnectACTIVE Computers (UK) Ltd | KNK | 1-4, The Granary,, Wem, SY4 5PJ | 01939 550040 |
| Connect 2 AtlanticAtlantic Communications Corp Ltd | GVL | Millennium City Park, Preston, PR2 5DB | 0330 003 0003 |
| Connect 4 Voice and Data SolutionsCONNECT 4 VOICE AND DATA LTD | NPM | 308 Melton Road, Leicester, LE4 7SL | 0116 308 7780 |
| Connect Comms4G Mobiles and Data Ltd | KKX | Suite 38, Europa House, Manchester, BL9 5BT | 0161 764 5240 |
| Connect EBUCONNECT ENTERPRISE BUSINESS UNIT (EBU) LTD | QML | 551 Lisburn Road, Belfast, BT9 7GQ | 07912271387 |
| Connect FibreFibre Assets Limited (t/a Connect Fibre) | QCZ | 168 Cowley Road, Cambridge, CB4 0DL | 07970998180 |
| Connect In CloudCONNECTINCLOUD LIMITED | MHN | 43-A, Mansfield Road, Ilford, Ig1 3BB | 7500500354 |
| Connect It All LtdCONNECT IT ALL LTD | RQI | 55A Main Street, Bradford, BD15 0ED | 07726132719 |
| Connect It Communications Ltd | FVE | Innovation Centre, Chatham, Kent, ME5 9FD | 0845 688 5122 |
| Connect Managed ServicesConnect Managed Services (UK) Ltd | MFN | 90 Fenchurch Street, LONDON, EC3M 4BY | 2079503200 |
| Connect Systems LtdCONNECT SYSTEMS LIMITED | QMU | The Island, Buckinghamshire, HP5 1NZ | 01494810900 |
| Connect The World Ltd | DCY | Suite 12 Towerside, London, E1W 3PF | 0870 174 8575 |
| Connect UCONNECT U LIMITED | NLM | 137 Snargate Street, Dover, CT17 9DA | 01304 389888 |
| ConnectDSCloudtech24 Ltd | MXM | Clockbarn, Woking, GU237EF | 1483802988 |
| ConnectaphoneConnectaphone Ltd | GGW | 54 High Street, Kent, TN13 1JG | 01732 762 762 |
| Connected World CommunicationsInvosys Business Limited | ELH | 6 Webster Court, Warrington, WA5 8WD | 01925 467 500 |
| Connected-IT RIDCONNECTED-IT BUSINESS SERVICES LIMITED | PZV | 5 Louisa Street, Bradford, BD108NE | 01274461411 |
| Connecting BritainCONNECTING BRITAIN LTD | QGE | Chain Caul Way, Preston, PR2 2TL | 03303207971 |
| Connecting London Ltd | GEK | 16 Anning Street, London, EC2A 3HB | 0800 2800 365 |
| ConnectiveCONNECTIVE ONLINE LIMITED | RKI | Cambrai Court 1229, Birmingham, B28 9AA | 02037640500 |
| ConnectiveConnective Cloud Ltd | PQA | 3 Concourse Way, Sheffield, S1 2BJ | 03332401233 |
| Connective TechnologiesConnective Technologies Limited | GYX | 12 Marlborough Road, Sutton, SM1 2PF | 020 3468 7883 |
| Connectivity Partners LtdCONNECTIVITY PARTNERS LTD | SGH | Trigate, BIRMINGHAM, B68 0NP | 07964 066 669 |
| Connecture LtdCONNECTURE LIMITED | RBN | Unit 7, Nottingham, NG6 8GF | 01158384800 |
| Connectus Business Solutions Ltd | GCW | 53 Ullswater Crescent, Surrey, CR5 2HR | 0844 887 1100 |
| ConnetUCONNETU LTD | NZA | 3rd Floor, London, W1B 3HH | 02033686848 |
| Connex Group | MHV | Unit 14771, London, W1A 6US | 1603908122 |
| ConnexinConnexin Limited | FPS | 15 The Elms, Huntingdon, Cambridgeshire, PE28 2FQ | 020 7148 8777 |
| Connexinet LTD | JCH | 5 & 7 Station Hill, Telford, TF2 9AA | 01952 617535 |
| Connexion Limited | JHV | 2 Cutbush Court, Reading, RG6 4UW | 1189209600 |
| ConnexisConnexis Limited | JCW | 5 Pearson Road, Telford, TF2 9TX | 01952 528000 |
| Connexis LtdConnexis Limited | DBD | 5 Pearson Road, Telford, TF2 9TX | 1952528000 |
| Connexus CloudCONNEXUS CLOUD LIMITED | QVA | Faulkner House, St. Albans, AL1 3SE | 03335336000 |
| Connexus NetworksConnexus Networks Ltd | CHC | Suite 2 Sperry House, Gloucestershire, GL10 3RF | 0870 607 2121 |
| ConnxConnx Ltd | KRW | 42 Lytton Road, New Barnet, EN5 5BY | 7956654220 |
| Conosco LtdCONOSCO LIMITED | NVC | The Plaza, London, SW10 0SZ | 08702202301 |
| Conquered IT LLPCONQUERED IT LLP | QSS | 9 Bridge Street, Buckingham, MK18 1EL | 01280736262 |
| Consega TelecomConsega Limited | EJY | 7 Beechwood Road, Dorset, BH22 0BN | 01202 873783 |
| Consider I.T. SolutionsCONSIDER I.T. SOLUTIONS LTD | NYK | 34 Corbel Way, Manchester, M30 9GH | 01615118410 |
| Consider ITConsider IT Limited | FEK | 27 Queen Charlotte Street, Edinburgh, EH6 6AX | 0131 510 0110 |
| ConsiliumCONSILIUM U.K. LIMITED | NPW | Consilium UK, Paisley, PA1 1JS | 01418471545 |
| Consolidated Telecommunications LtdConsolidated Telecommunications Limited | EJV | The Octagon, Colchester, CO1 1TG | 0844 892 1498 |
| Consorte UK Ltd | CXK | Pallinghurst, West Sussex, RH12 3BQ | 01403 824018 |
| Constant Technology | HNQ | Unit 18, London, E3 2NG | 020 7193 0408 |
| Consult.ITDYNATECH GROUP LTD | RNT | 1 Greenpark Terrace, St Clears, SA33 4EQ | 01267 888 024 |
| Consulting Networks Ltd | CPR | Customer Services Team, Cambridgeshire, PE15 0RN | 0870 036 1234 |
| ConsultivConsultiv Utilities Ltd | QPR | Ground Floor, Merchant House, Hebburn, NE31 2EX | 01918160998 |
| Contact Centre Communications Ltd | BMR | Bolney Place, Bolney, West Sussex, RH17 5QT | 01444 880 301 |
| Contact SystemsContact Systems Ltd | LUY | Atlantic Business Centre,, Manchester, WA14 5NQ | 1618041500 |
| ContediaContedia Limited | MZQ | Contedia Limited, Pontefract, WF8 1LN | 01977 602869 |
| ContediaContedia Limited | HQJ | 35 Southgate, Pontefract, WF8 1LN | 0845 388 0845 |
| Continental LtdContinental Limited | MTV | Unit C2, Cheltenham, GL51 6TQ | 01452 855222 |
| Contingent Works ServicesCONTINGENT WORKS SERVICES LTD | PCK | Elmfield Rd, Bromley, BR1 1LW | 02037375864 |
| ContinuitycloudCONTINUITYCLOUD LTD | NLK | Unit 8 The Springboard centre, Coalville, LE67 3DW | 08000210502 |
| ContracVENRIDGE LIMITED | PEN | Venrtidge house, Beverly, HU17 0HQ | 07776692619 |
| Control Group InternationalControl Group International Limited | HGI | Unit CG1A, Macclesfield, SK10 5JZ | 0333 101 4410 |
| Convereged CommsConverged Comms | HYE | 2 Kindale Road, Wirral, CH43 3AT | 0151 601 5377 |
| Converge TechnologyConverge Technology Ltd | MJB | Herrick Close, Cheltenham, GL51 6TQ | 01452 858030 |
| Converge-ITConverge-IT.net Ltd | DGS | Barnett House, Manchester, M2 2AN | 0870 770 0790 |
| Converged Communication Solutions Ltd | CVQ | 35 Huntly Street, Aberdeen, AB10 1TJ | 0800 8620 999 |
| Converged ITCONVERGED IT LTD | NQP | International House, London, EC1A 2BN | 07827943085 |
| Converged Voice Solutions LimitedSolution IP Technology Limited | DVM | 20 Eden Way, Berkshire, RG41 5PQ | 0870 4050115 |
| Convergence Communications Ltd | DZI | 21 & 22 Hall Barn Road, Cambridgeshire, CB7 5RD | 08700 332400 |
| Convergence GroupConvergence (Group Solutions) Limited | CFZ | 2 Lammas Centre, Warwick, CV34 5WQ | 0845 270 2709 |
| Convergence Group NetworksConvergence Group Networks Ltd | HDL | One Cranmore, Solihull, B90 4RZ | 0845 270 2709 |
| Convergence LimitedCONVERGENCE LIMITED | PCX | Aldershot Enterprise Centre, Aldershot, GU11 2PW | 03333110100 |
| Converj SolutionsCONVERJ LIMITED | RAG | Paragon Business Park, Bolton, BL6 6HG | 01204691188 |
| Converse Business Solutions LtdVerranti Limited | LCH | Navson House, Crabtree Office Village, Egham, TW20 8RY | 8458739900 |
| Converse TelecomConverse Telecom Ltd | DND | Old Bank House, Middx, TW18 4XS | 0845 8739900 |
| Conway HouseVoip IT Solutions Limited | LEE | Old Road, Oxford, OX3 8SZ | 1869229229 |
| Conxdigital Ltd | MHC | 3rd Floor, London, W1B 3HH | 3333445911 |
| ConxservCXS Connected Enterprise Ltd | KUC | 9B Arun Business Park, Bognor Regis, PO22 9SX | 3333441520 |
| Cool Breeze Technology Services LtdCOOL BREEZE TECHNOLOGY SERVICES LTD | QWJ | The Old Stables, Blackdown Mill, Leamington Spa, CV32 6QT | 07814236595 |
| Cool Fish CommunicationCOOL FISH COMMUNICATION LIMITED | NMX | 8 Avenue Road, Stratford upon Avon, CV37 6UW | 07899921327 |
| Copytel Limited | FUV | 5 Pasture Drive, West Yorkshire, WF10 5TL | 01977 512 330 |
| Copytext TelecomCOPYTEXT TELECOM LIMITED | PTK | 29 Greers Road, Dungannon, BT701DR | 02887753939 |
| Cora CommunicationsCORA COMMUNICATIONS LTD | QIY | Unit A8 Castle Vale Enterprise Park, Birmingham, B35 6LJ | 01212892307 |
| Coralinn HouseIndigo Ecommerce Digital Limited | GMW | 4 Royston Road, Livingston, EH54 8AH | 1414420202 |
| CorbelCorbel Solutions Limited | MTZ | 53-57 Knightsdale Road, Ipswich, ip1 4jq | 01473 241515 |
| Corbridge Computing Ltd.Central Computing Services Ltd | IZG | 1 Hill Street, Corbridge, NE45 5AA | 1434633200 |
| Core BroadbandCOREISP Group Limited | QVV | 7-9 Stanley Street, Blyth, NE24 2BS | 03307881234 |
| Core Digital | HFP | 22 Mill Road Avenue, Littlehampton, BN16 4HS | 01903 786 117 |
| Core NetworxCORE NETWORX LIMITED | SIQ | Suite 786, 2 Old Brompton Road, London, SW7 3DQ | 020 3286 2673 |
| Core Team One Ltd | MVK | 3 Lister Street, Brighouse, HD6 2AH | 1484612756 |
| Core Telecom Limited | DNK | Mazhar House, Leeds, LS28 6DD | 0844 504 0000 |
| Coretek Limited | GUX | 7 Gardeners Business Park, Hampshire, SO51 6EJ | 01794 325 920 |
| Coretek SolutionsSTEPHEN IAN LITHERLAND LTD | RVJ | 91 Princess Street, Manchester, M1 4HT | 01618706377 |
| Corgi Telecoms Limited | EXH | Tannery Court, Cheshire, WA2 7NR | 01925 401 702 |
| Corinthian Technical Solutions Co Ltd | CVI | Southern Counties House, West Sussex, RH11 7AT | 01293 434224 |
| Corn on the Comms LTDCORN ON THE COMMS LTD | RSN | 2 Mariners Walk, Falmouth, TR11 3XP | 07546968585 |
| Cornerstone Business Solutions Ltd | MGK | MAP House, 3 George Stephenson Court, Middlesbrough, TS18 3TG | 0845 223 2400 |
| Cornerstone Business Solutions and Services LtdCORNERSTONE BUSINESS SOLUTIONS AND SERVICES LIMITED | PLE | 22 Fernhurst Drive, Brierley Hill, DY5 4PU | 03333002522 |
| Cornish EPOS and IT Services LTDCORNISH EPOS AND IT SERVICES LTD | SNA | 8B Duchy Business Centre, Redruth, TR15 3RT | 08001120002 |
| Cornwallphone4tel Communications Limited | FXA | C/o 4 TEL COMMUNICATIONS LIMITED, PENRYN, CORNWALL, TR10 8AW | 0333 320 8020 |
| Corporate Finance Associates Ltd | KSB | 10 New Road, Braintree, CM77 6TG | 1376333823 |
| Corporate ICTCorporate Information & Communication Technology Limited | CFU | 31 Tileyard Studios, London, N7 9AH | 020 7503 3000 |
| CortelCortel Telecom Limited | CCH | 32 Shoreditch High Street, London, E1 6PG | 020 7247 0101 |
| Cost Effective TechnologySimon Reynolds | JXI | 5 whitworth close, swadlincote, de12 6bg | 7976920550 |
| Cotswold Community Networks LtdCotswold Community Networks Limited | JQL | Unit G Donkeywell Farm, Cirencester, GL7 5DH | 8448040484 |
| Cotswold Connect Limited | LEW | 1 St Aidans Close, Cheltenham, GL51 0HL | 8002702007 |
| Cotswold PC | HJE | 14 Oddfellows Terrace, Gloucestershire, GL56 0HA | 01608 812 386 |
| Couno LimitedRC Legacy Limited | MMI | 19 Station Road, Southend-on-Sea, SS1 3JY | 2035534696 |
| Countrifi NetworksThe Countrifi Group Ltd | QXY | Rivers Lodge, Harpenden, AL5 2JD | 01582383280 |
| Country ConnectCOUNTRY CONNECT LTD | LWR | 52a Westgate, Nottinghamshire, NG25 0JX | 01633 530519 |
| Country Wide CommunicationsUK Connect Limited | GGF | 259 Virgo Road, Andover, SP10 1JX | 01483 361 122 |
| Countryside BroadbandCountryside Broadband Limited | QUA | Jays Lodge, READING, RG8 7QG | 01491 681236 |
| Countryside ConnectionsCountryside Connections LTD | QPG | Coed Cefn Lodge, Monmouth, NP25 4DT | 07940346372 |
| Countrywide Farmers EnergyCountrywide Farmers PLC | CMN | Utilities Dept, Worcs, WR8 9DF | 01386 757 333 |
| County BroadbandCounty Broadband Ltd | LMA | Old Bourchiers Hall, Colchester, CO6 3QU | 1376562002 |
| County CommsCOMMUNICATION SYSTEMS & CONTRACTS LIMITED | PUY | Building 67, Cheadle, Sk30XA | 01619804444 |
| Coup TechnologyCOUP TECHNOLOGY LIMITED | RTV | 1 The Willows, Milton Keynes, MK19 6DS | 020 7947 0342 |
| Covlink (UK) LtdCOVLINK (UK) LIMITED | LCR | 1 Goldsmith Ave, Warwick, CV346JA | 1926495416 |
| CovueCovue IT Ltd | LKR | Unit 6, Dartford, DA2 7ER | 2071002244 |
| Cowley ITCowley Computer Solutions Ltd | GZH | Keepers House, Hampshire, PO9 3JE | 0239 248 6956 |
| Cowran Media LtdPhone Guys Limited | QAS | Cowran Estate, Ulverston, LA12 0JW | 01229 483858 |
| Cranberry Communications Ltd | GIX | 78 Chapel Street, Norfolk, PE30 1EF | 01553 666 111 |
| Cranborne TechnologyCRANBORNE TECHNOLOGY LIMITED | QFA | Unit 5 Knuway House, Potters Bar, EN6 3JN | 02033014999 |
| Crazy Pages | IEG | 125 Holymoor road, Chesterfield, s42 7dr | 1246384063 |
| Crea8ive Network Solutions LtdCrea8ive Network Solutions Limited | GKT | Unit 1b Roundhouse Court, Preston, Lancashire, PR5 6DA | 01772 558868 |
| Create IT GroupCreate IT Ltd | INZ | Unit 5, Thatcham, RG19 4LW | 1635277500 |
| Creations TelecomCREATIONS ARCADIA GROUP LIMITED | QDE | Creaions Group LTD, london, se18 1sl | 02089457034 |
| Creative Digital Life LimitedCREATIVE DIGITAL LIFE LIMITED | QSP | Cradley Enterprise Centre, Halesowen, B63 2QB | 01214619139 |
| Creative ITCCreative Network Consulting Limited | MGH | 320 City Road, London, EC1V 2NZ | 2076822820 |
| Creative NetworksCreative Networks Limited | GLG | Regal House, Rochdale, OL11 1HY | 01706 396496 |
| Creative Telecoms LtdCreative Telecoms Limited | CGT | Studio 229, London, SE1 0HS | 0871 222 7150 |
| CreativezonesCreativezones Solutions Limited | IXF | Victoria Embankment, London, EC4Y 0HJ | 2073776509 |
| CreavoCREAVO LIMITED | QSK | Barn 2, Bishop's Stortford, CM23 1JG | 01279 881222 |
| Creed ManagementCreed Management Limited | KLF | 43 Vicarage Lane, London, E15 4HG | 2081230862 |
| Criccieth TV | NZJ | Station Square, Gwynedd, LL52 0RW | 01766 522 344 |
| Crimzon Communications Ltd | DSN | The Railway Offices, Loughborough, LE12 7NA | 01509 815 398 |
| CritchCorp Computers Ltd | ICJ | 11 Murray Street, London, NW1 9RE | 0800 612 1029 |
| Criterion Systems Ltd | EVF | 116 Wellington Street, Cheshire, SK1 1YH | 0161 429 4910 |
| Crius Technologies Ltd | MHT | The Turbine, Worksop, S81 8AP | 01909 776655 |
| Croft Communications Limited | JRD | Ground Floor, Unit E1, The Chase,, Hertford, SG13 7NN | 01920466466 |
| Cromwell Business SystemsCROMWELL BUSINESS SYSTEMS LIMITED | PMQ | Kings View House, Ely, CB7 4EA | 01353650900 |
| Crosscom Limited | EAM | 3 Brook House, Cheadle, SK8 2PE | 0161 491 5571 |
| Crosscom Network ServicesCrosscom Limited | EAN | 3 Brook House, Cheadle, SK8 2PE | 0161 491 5571 |
| Crosstek IT LtdCROSSTEK IT LIMITED | QAV | South Lodge, Bullen Court, East Peckham, TN12 5LX | 01732617788 |
| Crown Telecom Solutions Ltd | EQG | The Oil Centre, Bury, BL9 7HY | 08444 150 140 |
| Crowthorne Associates Limited | BHI | Wigglesworth House, London, SE1 9HH | 0845 634 7000 |
| Crushed IceCRUSHED ICE LIMITED | SFP | Unit 11, Olney Business Park, Olney, MK46 5FP | 01234672612 |
| Crwstech | NMQ | Crwstech, Llanrwst, LL26 0EH | 01492437001 |
| Crystal Clear Technology LtdCRYSTAL CLEAR TECHNOLOGY LTD | SHF | First Floor, 2 Nott Square, Carmarthen, SA31 1PG | 01267668191 |
| Crystal Clear TelecomCrystal Clear Telecom Limited | LJG | Unit 5, 6 North Road, Poole, BH14 0LY | 1202941040 |
| Crystal DataNigel Bateman | IGW | 5 Pasture Way, Leeds, LS25 6LQ | 1977689630 |
| Crystal Voice Data LtdCRYSTAL VOICE DATA LTD | SPG | 5 Watermark, Cardiff, CF11 0JU | 03335678444 |
| Crystaline CommunicationsCrystaline Communications Limited | GUC | Boston House Business Centre, Middlesex, TW8 9JJ | 0844 846 4222 |
| Crystaline Solutions LtdCrystaline Solutions Limited | DVR | 69-75 Boston Manor House, Middlessex, TW8 9JJ | 0844 8464 222 |
| Csd InternetUK Online Agrisales Ltd | ENY | 39 Ballynahatty Road, Co Tyrone, BT78 1PW | 028 8225 1596 |
| CsquaredCSQUARED Systems Ltd | GBU | The Walled Garden Office, Norfolk, IP24 3TJ | 01842 890001 |
| Ctalk Limited | FEI | Darwin House, Stafford, ST18 0FX | 01785 336 666 |
| Ctec-dslCopiertec Ltd | JLC | 3 browells lane, Feltham, Tw13 7eq | 8447362401 |
| CtrL NetCTRL-Networks Limited | EZQ | Suite 13, Tyne and Wear, NE33 2QA | 0191 406 0400 |
| Cube TechnologyCUBE TECHNOLOGY IT SERVICES LIMITED | NSK | Neptune House, Harrow, HA1 4HX | 02073430000 |
| Cube6 CommunicationsCUBE 6 IT LTD | MWQ | The Old School House, Colchester, CO6 2BY | 01206 804734 |
| Cubit TechnologyCubit Technology Limited | KTP | 115 High Holborn, London, WC1V 6JJ | 2035350680 |
| Cuckoo Fibre Limited | RKE | Milford House, EXETER, EX2 5AZ | 0330 912 9955 |
| Cuckoo InternetCUCKOO INTERNET LTD | NVZ | 6th Floor, London, EC1N 2HT | 0330 912 9955 |
| Culminet | MAI | 30 Ennerdale, Sunderland, NE37 1BW | 7983748473 |
| Cumulus Business SolutionsCumulus Business Solutions Ltd | MYH | 127 Gorefield Road, Wisbech, PE13 5BB | 1223455655 |
| Cura Technology LtdCURA TECHNOLOGY LTD | RPZ | Suite 3 Chevin Mill, Otley, LS21 1BT | 01135268853 |
| Curve ITCURVE INFORMATION TECHNOLOGY LIMITED | PTG | Unit E, Level 2 North, Brighton, BN2 4GH | 01273806220 |
| Curveball Solutions UK LtdCURVEBALL SOLUTIONS UK LIMITED | NXU | Suite 5, Enterprise House, Liverpool, L33 7XW | 0151 547 4321 |
| CustardCustard Technical Services Ltd | JQI | Goldcrest Lodge, Hexgreave Hall, Nottingham, NG228LS | 1623687650 |
| Custodian Data CentresCUSTODIANDC LIMITED | JEE | Vinters Business Park, Kent, ME14 5NZ | 01622 230382 |
| Custom Computer Services (Wales) Ltd | KXA | Priory House, Cardiff, CF24 5PB | 3330144544 |
| Custom Networks LimitedCustom Networks Ltd | HNZ | Greencroft, Guildford, GU1 2XU | 01306 734 120 |
| Customer Care Company Ltd | EZF | 40 Kay Brow, Lancashire, BL0 9AY | 0844 811 8900 |
| CutPay Merchant ServicesCUTPAY MERCHANT SERVICES LIMITED | NMS | Suite2, Newcastle upon Tyne, NE4 8AW | 0191 5006575 |
| Cutec Ltd | HBY | 20 Branson Court, Plymouth, PL7 2WU | 01752 231760 |
| Cutler IT LimitedCUTLER IT LIMITED | QGC | 4 The Point, Rotherham, S60 1BP | 03337002077 |
| Cyan Solutions Ltd | GKR | Unit 14b The Briars, Hampshire, PO7 7YH | 0845 894 9685 |
| Cyan-ITCYAN CONSULTANCY LTD | RRR | 454 New Hythe Lane, Kent, ME20 7UH | 02081424394 |
| Cyara Solutions | LMT | 5 Merchant Square, London, W2 1AY | 4.47413E+11 |
| Cyber Bytes IT LtdCYBER BYTES IT LTD | RQL | 3rd Floor, London, EC2A 4NE | 02030264640 |
| Cyber KaizenCYBER KAIZEN LIMITED | RXK | 18 Eastfield Court, St Albans, AL4 9JL | 07590283839 |
| Cyber Protection UK LtdCYBER PROTECTION UK LTD | SJC | Grove House, Basingstoke, RG24 8AG | 01256436436 |
| Cyber TelecomCYBER KNOWHOW LTD | RWC | 4A Andover Road, ANDOVER, SP11 9LZ | 0333 038 3852 |
| Cyber Ware LtdCyber Ware Limited | IRE | Litton House, Peterborough, PE3 7PR | 01733 646079 |
| CyberBITS LtdCYBERBITS LTD | QPA | Watling Chamber, Cannock, WS11 0BD | 01543548101 |
| Cybercloud TechnologiesCYBERCLOUD TECHNOLOGIES LTD | RUB | Victory House, LUTON, LU1 3BS | 03300438793 |
| CybergroupCYBERGROUP GLOBAL LTD | SLX | 4th Floor Silverstream House, London, W1T 6EB | 02030110888 |
| Cybermo LLPFusion Mobile LLP | MMY | Charwell House, Alton, GU34 2PP | 01962 676 450 |
| CyberscapeCarr Royd Parks Ltd | IAV | Sower Carr Lane, Lancs, FY6 9EQ | 01253 724 000 |
| CyberscreamCyberscream Ltd | IVU | 3 Pallas Road, Hemel Hempstead, HP2 5NR | 01442 256722 |
| CybertillCybertill Ltd | LZE | Clock Tower Court, Knowsley, L34 4AQ | 8448551600 |
| CybrCYBR LIMITED | RKP | The Studios, Ombersley, WR9 0JX | 07707012345 |
| Cymru 1 Limited | HLZ | Cymru 1 Limited, Gwynedd, LL49 9ZR | 08000 112244 |
| Cynick LTDCYNICK LTD | RHM | 6 Shakespeare Court, Ashbourne, DE6 1FG | 01629888341 |
| Cyprium CommunicationsCYPRIUM COMMUNICATIONS LIMITED | PMZ | Adamson House, Towers Business Park, Manchester, M20 2YY | 03303338444 |
| Cytringan Ltd | HHS | Unit 11, Northamptonshire, NN9 6JE | 0333 101700 |
| CzWorks Ltd | IEA | 19 Belper Street, Blackburn, BB1 5HA | 01254 694 400 |
| cClarity (IT Managed 247)IT Managed 247 Limited | KMN | 1 Fore Street, London, EC2Y 9DT | 2081236681 |
| ccwsolutionsCCW Solutions Ltd | HCP | 23 Chalybeate Street, Ceredigion, SY23 1HX | 01970 600 006 |
| century sky solutionsCENTURY SKY SOLUTIONS LIMITED | QIP | 4th Floor, London, EC4A 2EA | 07850851525 |
| cifer data systems ltdCIFER DATA SYSTEMS LIMITED | REK | 1 Main Street, WESTBURY, BA13 4JU | 01373824128 |
| circle.cloudCircle Cloud Communications Ltd | MIT | 32 Queens Terrace, Southampton, so14 3BQ | 3330436600 |
| claireLOGICclaireLOGIC Corporate Ltd | IMB | 11 Vineyard, Abingdon, OX14 3PX | 1865989144 |
| clickphoneClickphone Communications Ltd | FYW | Castleton House, Surrey, KT10 9TB | 020 3434 2711 |
| cloud38CLOUD38 LTD | NCQ | Suite 42, Shenley Pavilions, Milton Keynes, MK5 6LB | 03300947580 |
| coconnecta LtdCOCONNECTA LTD | SGY | 31 The Yews, Waterlooville, PO8 0BH | 03333356481 |
| commsphereCOMMSPHERE LIMITED | SCT | Bank Gallery, Kenilworth, CV8 1LY | 03304010025 |
| commstecCOMMSTEC-IT LTD | SFY | 39-40 Alison Business Centre, Sheffield, S2 1AS | 01142992545 |
| commswholesaleCommunications Wholesale (Sussex) Limited | JAV | 26 park road, worthing, bn11 2as | 1903231587 |
| company systemcompany system ltd | LHQ | 345 high road, London, E11 4JT | 2034908180 |
| computer2cloud LtdCOMPUTER2CLOUD LTD | PJV | Unit 5, Eastbourne, BN21 3AW | 02033888666 |
| computers r us ltdCOMPUTERS R US LTD | RQS | 13 Windermere St, Gateshead, NE8 1TU | 07712730492 |
| cymrufibreCATALYST SYSTEMS (NORTH WALES) LIMITED | RMX | Unit 15B, Denbigh, LL16 5TA | 01745 816611 |
Source: Ofcom UK Numbering Data (RID register), Open Government Licence v3.0. Addresses are the companies’ own register entries and can lag behind moves or renames.