Ofcom RID register · updated weekly
UK telecom providers — A
556 Ofcom-registered communications providers whose name begins with A, 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 |
|---|---|---|---|
| A & A Technology | IPW | Delta House, Newcastle Under Lyme, ST5 5AR | 01782 620330 |
| A P TELECOMA P Systems (Scotland) Ltd | GFE | 16 GRANT STREET, BUCKIE, AB56 4RS | 1542841121 |
| A T Communications Limited | BDA | — | — |
| A VostronVostron Limited | EUW | B Vostron Limited, Southampton, SO16 7NP | 02380 111 111 |
| A&M Systems LtdA&M Systems Limited | HDC | 54 Wargrove Drive, Berkshire, GU47 0DU | 01344 750 884 |
| A-Tech Services LtdA-Tech Services Limited | HHI | 37 Spur Hill Ave, Dorset, BH14 9PJ | 01202 255830 |
| A.L.EA.L.E. BUSINESS MACHINES LIMITED | SEB | Unit 56, Canterbury, CT3 4JZ | 07848879075 |
| A1 Comms Ltd.A1 COMMS LIMITED | KBA | Contract House, Alfreton, DE55 7AD | 1773522300 |
| A1 IT Solutions LtdA1 IT Solutions Limited | HVV | Network House, Eastbourne, BN22 8UY | 01323 400 300 |
| A2B TechnologyA2B TECHNOLOGY (UK) LTD | RAB | The Stables, Ashford, TN23 3BU | 03330 156 615 |
| A2Z Computing Ltd | HSY | The Old Chapel, Newport, NP19 8DT | 01633 676543 |
| A2Z Technologies LTDA2Z TECHNOLOGIES LTD | JZD | 1 Blackhorse Lane, Bristol, BS16 6TR | 7771700337 |
| A41 IT ServicesA41 IT Services Ltd | JDG | PO Box 1136, St Albans, AL1 9UJ | 1727515980 |
| A4S Cloud SolutionsA4S CLOUD SOLUTIONS LIMITED | QUY | Clarke Nicklin House, Greater Manchester, SK8 3TD | 01612509310 |
| AAC Services Ltd | EBS | Manton Lane, Beds, MK41 7TL | 01234 227 788 |
| AAISPAndrews & Arnold Ltd | CTK | Enterprise Court, RG12 1QS | 01344 400 009 |
| AAV SystemsAAV Systems Ltd | LKL | 15 Doveridge Road, BURTON-ON-TRENT, DE15 9GB | 01283 80 81 82 |
| ABBOTTECHAbbottech | RYS | 61 Grange Road, Orpington, Br68EB | 07999356577 |
| ABC DIGITAL SW LTDabc Digital Solutions (SW) Ltd | QGA | A B C Digital Solutions (sw) Ltd,, Congleton, CW12 1LB | 02921602900 |
| ABC Digital Solutions LtdABC DIGITAL SOLUTIONS LIMITED | PLP | Technology House, Congleton, CW12 1LB | 03330163036 |
| ABC Networking Ltd | JPR | 15 Barnack Business Centre, Salisbury, SP1 2LP | 01722 411999 |
| ABC ServiceABC TP LTD | IAL | 69 West Street, Devon, PL19 8AJ | 1822613154 |
| ABC TELIndexscope Ltd t/a ABC NET | CYQ | Hillingdon House, Middlesex, HA3 9DP | 0845 004 6006 |
| ABCOMAlbion Business Computers Limited | FRF | Unit 3, Ashwyn Business Centre, West Sussex, RH15 8QY | 01444 871 200 |
| ABG GroupABG ELECTRICAL & SECURITY LTD | RCR | 1 Centenary Park, Omagh, BT78 5HH | 07856015067 |
| ABM Computer SolutionsABM Computer Solutions Ltd | JFU | Unit 8-9 Temple Bar Business Park, Chichester, PO18 0TU | 1243773113 |
| ABM Telecoms LtdABM TELECOMS LTD | QFS | Norfolk Street, Liverpool, L1 0BG | 01517098213 |
| ABNTECHNETABN TECHNET LTD | QYA | Unit E8 Harlow Business Centre, Harlow, CM19 5AF | 01279261240 |
| ABS Computer Systems Ltd | IXU | James House, Poole, BH15 1QG | 01202 770900 |
| ABS IT ServicesAUJLA BUSINESS SYSTEMS LIMITED | KAN | 34 Hercules Way, Farnborough, GU14 6UU | 1252413700 |
| ABS LimitedAutomated Business Systems Limited | JXG | 7 Station Approach, Wendover, HP22 6BN | 01296 696700 |
| ABtec Computer Solutions LTD | JJA | Unit 8 Armstrong Point, Wigan, WN2 4AU | 01942 209060 |
| ACCS ConsultingACCS CONSULTING LTD | RMZ | Unit 5 Marlborough Court, Exeter, EX2 8PF | 01392 412151 |
| ACITACIT SOLUTIONS LIMITED | QEA | ACIT Solutions Ltd, Rayleigh, SS6 7EA | 01268975007 |
| ACKACSACKACS LIMITED | PEQ | 13 The Slade, Oxford, OX3 7HL | 01865594733 |
| ACL Telco LtdACL Telco Limited | FXG | Communication Centre, Bala, Gwynedd, LL23 7SW | 0800 004 8687 |
| ACME UC LimitedACME UC LIMITED | PJU | 7D Dragoon House, Waterlooville, PO7 7SF | 020 3880 2810 |
| ACNACN European Services Ltd | CFQ | ACN European Services Ltd, Hounslow, TW5 9RT | 0800 331 60 07 |
| ACORA LTDACORA LIMITED | RQR | Albert Drive, Burgess Hill, RH15 9TN | 02036570831 |
| ACPFSACCESS CONTROL PEOPLE LTD | NYR | Office 2 Winnings Court Yard, Newcastle upon Tyne, NE15 9RU | 03333580331 |
| ACR Networks Ltd | BCK | — | — |
| ACRONYM VOIP LTD | RPS | 133 Winter Road, Portsmouth, PO4 8DR | 02393593200 |
| ACSWILLIAM BROWN & COMPANY LIMITED | RJY | Richmond House, Lancashire, OL7 0PZ | 0161 850 0682 |
| ACSAdvanced Computer Systems (UK) Ltd | EWF | Unit 6, South Yorkshire, DN9 3FL | 01302 774 820 |
| ACSACS BUSINESS SUPPLIES LTD | PZZ | Kismet Buildings, Baildon, BD17 7hb | 01274508300 |
| ACS Solutions Limited | GWC | 18a Rolle Street, Devon, EX8 1NJ | 01395 548 210 |
| ACS TelecomsALLEN COMPUTER SERVICES LTD | NXS | 27 South Street, Crewkerne, TA18 8DA | 01460298036 |
| AD Network Solutions Ltd | KNF | 10 River Court, Middlesbrough, TS2 1RT | 01642 248750 |
| ADA StreamNETADA Networks Limited | DNT | 3 Mill Court, Berks, RG14 5RE | 01635 523131 |
| ADD TECHNOLOGY LTD | JLY | UNIT 3,200A BURY RD, BURY, BL83DX | 1204888184 |
| ADECS-MapleADECS Ltd | MBN | 6 Coventry Innovation Village, Coventry, CV1 2TL | 2476995930 |
| ADEPT COMPUTER SERVICESADEPT COMPUTER SERVICES LIMITED | PHW | 45 Byron Street, LEEDS, LS2 7QJ | 01132237300 |
| ADM ComputingADM Computing Services Ltd | KPR | Chaucer Road, Canterbury, Ct1 1HH | 1227473500 |
| ADM Computing Ltd | LZR | 4 Tabley Court, Knutsford, WA16 0PL | 01565 755200 |
| ADNAMSADNAMS PLC | SQA | Sole Bay Brewery, Southwold, IP18 6JW | 01502727200 |
| ADP Dealer ServicesKeyloop (UK) Limited | DVG | Cygnet Way, Hungerford, RG17 0YL | 01488 662 662 |
| ADP TalkKeyloop (UK) Limited | DKH | Cygnet Way, Hungerford, RG17 0YL | 01635 215 003 |
| ADSL24 Internet LtdADSL24 Internet Limited | ESG | 24 Media House, Oldham, OL3 5DE | 01457 6000 24 |
| ADT Systems LtdADT Systems Limited | GLZ | 4 Donald Road, Bristol, BS13 7DG | 0117 941 0930 |
| ADVANCE COMPUTER SERVICES LTDADVANCE COMPUTER SERVICES LIMITED | PJZ | Brewery House, WESTERHAM, TN16 1RG | 01959730460 |
| ADWCONNECT LTD | NDT | Stirling House, Hendon London, NW4 4AU | 020 8089 1111 |
| AEMSYSTEMSAEM SYSTEMS (YORKSHIRE) LTD | RGM | 7 Kings Lea, Ossett, WF5 8RY | 07843162181 |
| AF Connect LimitedAF CONNECT LIMITED | QDY | The Old Warehouse, Crewkerne, TA18 7BH | 01460298197 |
| AFP TechnologyAFP Technology Limited | NUF | Unit 2, Leeds, LS277WF | 01924201737 |
| AG Computer Services | JWQ | 30 Equity Road, Earl Shilton, LE9 7FD | 1455841674 |
| AGM Network ConsultancyAGM NETWORK CONSULTANCY LTD | RFB | 1 Church Road, Ramsgate, CT11 8RE | 03309120130 |
| AGTAGT COMPUTER SERVICES LIMITED | RME | Unit 8, Calder Court, Blackpool, FY4 2RH | 01253808472 |
| AH Connections LtdAH CONNECTIONS LIMITED | QTH | Langtons, Liverpool, L3 9QJ | 03333580678 |
| AI Networks Ltd | HDW | Unit H-K Gateway 1000, Stevenage, SG1 2FP | 020 7183 1042 |
| AIC-IT Ltd | HWC | The Lodge, Harlow, CM19 5FP | 01279 306677 |
| AIRACOMAIRACOM LIMITED | QBA | 3rd Floor, London, W1B 3HH | 0330 175 8374 |
| AIRXAIRX TECHNOLOGIES LIMITED | NNN | 16 St Martin Le Grand, London, EC1A 4EU | 07827625943 |
| AITAdvanced It Services Nottingham Ltd | RXG | Midland House, Nottinghamshire, NG10 1FT | 01159170197 |
| AJ Business SolutionsAJ Business Solutions Ltd | DMI | 16 Browning Street, Stafford, ST16 3AX | 08707 518 900 |
| AJ HillAJ Hill Ltd | MRU | Unit A7, Gravesend, DA110DL | 1474559078 |
| AJ SystemsAJ Systems Limited | IFK | Moorgate Crofts, Rotherham, S60 2DH | 8450941161 |
| AJPMCA J P MANAGEMENT CONSULTANTS LIMITED | RPQ | 11 Wincoat Drive, Essex, SS7 5AH | 02073171121 |
| AJRB Services LimitedAJRB SERVICES LIMITED | QFM | Unit 24 Highcroft Industrial Estate, Waterlooville, PO8 0BT | 01865930930 |
| AK Comms LtdAK Comms Limited | EPX | The Manor House, Hertfordshire, SG9 9AB | 0844 847 4447 |
| AK Connections LimitedAK Connections Ltd | FPE | C/O Stafford and Co, Bolton, BL1 2QE | 08444 128533 |
| AK Telecoms SolutionsKP COMPUTER LTD | QJF | Suite 412 Legacy Centre, Feltham, TW13 6DH | 02071006086 |
| AKA Internet LtdAKA Internet Limited | HCY | PO Box 1195, Berkshire, GU47 7DD | 01344 778 645 |
| AKAL Computer Systems Ltd | HRL | AKAL House, London, SW16 5QD | 020 8765 1115 |
| AKDIGITALHOSTINGInnova Communications Limited | QZY | 1 Harrow Close, Mansfield, NG21 0AS | 01157323026 |
| ALB Technical SolutionsALB TECHNICAL SOLUTIONS LTD | SMB | 38 Edgefield, Weston, PE12 6RQ | 01778 309850 |
| ALCHEMY SYSTEMS (WESTERN) LTD | RCW | 7 Montpelier Terrace, Ilfracombe, EX34 9HR | 01392 248 497 |
| ALEXBroadband Computer Co Ltd | JBZ | Amazing Towers, Gateshead, NE82AT | 1912614271 |
| ALITE SYSTEMS | NRW | 19-21 NURSERY ST, AYRSHIRE, KA1 1RQ | 07850793500 |
| ALTO COMMSALTO COMMS LIMITED | LTJ | 317 GOLDEN HILL, PRESTON, PR252YJ | 1772558868 |
| ALWAYSIPALWAYSIP LIMITED | RBY | 35 Pinner Road, Harrow, HA14ES | 03332422336 |
| AM Networking Ltd | MMF | 12 Wickford Street, London, e1 5QN | 2070997753 |
| AM Networx LtdAM NETWORX LTD | PQZ | Charter House, Burnley, BB11 2HA | 03335672411 |
| AMA CommsAMA BUSINESS COMMUNICATIONS LIMITED | PAZ | 130 Old Street, London, EC1V 9BD | 02037948840 |
| AMC-ITAMC-IT SOLUTIONS LIMITED | REC | 2 Weekley Wood Close, Northamptonshire, NN14 1UQ | 01536513679 |
| AMD Environmental LimitedAMD Environmental Ltd | JEC | Design House, Caterham, CR3 5QG | 1883347829 |
| AMG Business CommunicationsAMG BUSINESS COMMUNICATIONS LTD | QER | 29 Hunters Way,Bishopstoke, Eastleigh, SO50 8NN | 07341089048 |
| AMG IT SolutionsAndrew Gethin | IKB | Suite 36 Imex Business Centre, Burton on Trent, DE142AU | 1283531613 |
| AMJ IT Ltd | HAK | Bridge Road, Kent, TN23 1BB | 01233 663 205 |
| AML IT SERVICES LTDAML IT SERVICES LIMITED | NRL | 182 LOWER KIRKGATE, WAKEFIELD, WF1 1UD | 01924387168 |
| AML Midlands LtdAML (Midlands) Ltd | JEJ | Suite 3, Charlton House, Derby, DE21 7BF | 1332650009 |
| AMP Contracts LtdAMP CONTRACTS LTD. | RGW | 10 Grassholme Close, DONCASTER, DN4 5FD | 01302244661 |
| AMP InfosysAMP Information Systems Ltd | IDF | Riverside, Preston, PR3 0HN | 01995 600 700 |
| AMS IT Support LtdAMS IT SUPPORT LTD | JTI | The Mansion House, Silsoe, MK45 4HR | 1884664004 |
| AMS IT SystemsAMS IT SYSTEMS LIMITED | SPZ | Brigg Road, Scunthorpe, DN16 1AP | 01724294290 |
| AMS IT SystemsAMS No-Dig Limited | PVG | Brigg Road, Scunthorpe, DN16 1AP | 01724294290 |
| ANS GroupANS Group LTD | MTT | Synergy House, Manchester, M15 6SY | 1612271000 |
| ANT Telecoms LtdANT Telecoms Limited | GLB | Swift House, High Wycombe, Buckinghamshire, HP13 7DL | 01494 833 100 |
| ANTINASSIST NETWORKS TIN LTD | NMI | Unit 20 Applins Park, Blandford Forum, DT11 8RA | 01258808332 |
| AOIT NetworksAOIT Networks Ltd | MFD | AOIT Networks Ltd, Jarrow, NE323DT | 2089383513 |
| AOLAOL Europe Services SARL | CCU | IDA Business Park, Waterford | 0800 376 5432 |
| AP & Co GroupAP & CO GROUP LIMITED | PZP | 71-75 Shelton St, London, WC2H 9JQ | 07974537392 |
| APC COMMUNICATIONS SOLUTIONS LTD | QEC | Mustang House, Kelvedon, CO5 9DF | 03331500140 |
| APComms Ltd | FNC | Larchwood, Shropshire, SY6 7AF | 0845 4740379 |
| APR TelecomsAPR Telecoms (Maintenance) Limited | IJK | Appointment House, Wymondham, NR18 9AQ | 1953713333 |
| AR ComputingAir-Rite Systems (UK) Ltd | KPJ | 8 Friday Street, Minehead, TA24 5UA | 01643 707381 |
| AR IT SUPPORT LTDAR IT SUPPORT LIMITED | PFJ | 21 Great Oaks Park, Newport, NP109AT | 01633891261 |
| ARC ComputersARC Computer Systems Ltd | LRA | 18 Elmwood Cl, Wakefield, Wf2 6lp | 7766477733 |
| ARKADIN UK LTDNTT Cloud Communications UK Ltd | CKM | 1 King William Street, LONDON, EC4M 7AR | — |
| ARP Smart HomesARP Electrical Ltd | LVD | 21 Glynswood, High Wycombe, HP13 5QL | 01494 300100 |
| ASE ComputersA.S.E. COMPUTER SERVICES LTD | RTX | The Stables, Harrogate, HG1 3EQ | 07976 546 984 |
| ASK4 LimitedASK4 LIMITED | JWB | Devonshire Green House, Sheffield, S1 4JL | 1143033200 |
| ASLHASL HOLDINGS LIMITED | NHF | The Oaks, Pitsford, NN6 9AA | +441604883880 |
| AST Wales | GKK | Perch Buildings, Cardiff, CF10 5EE | 029 2002 0001 |
| AT Telecomms LtdAT Telecoms Ltd | GMN | Heather Park Drive, Middlesex, HA0 1SL | 020 8902 2773 |
| AT&TAT&T Global Network Services (UK) B.V. | EXE | AT&T Global Network Services (UK) B.V, Redditch, Worcestershire, B97 5EQ | 0118 916 8608 |
| ATEBAteb Ltd | HYF | Hengwm, Powys, LD6 5LD | 01597 811 822 |
| ATG-IT Ltd | LEA | Unit 3,, Bromsgrove, B60 3DX | 1527570535 |
| ATI FibrenetATI FIBRENET LTD | RJT | Level 30, Leadenhall Building, Leadenhall Street, London, EC3V 4AB | 07880506201 |
| ATOMOS NETWORKSATOMOS NETWORKS LTD | MNI | AIREDALE HOUSE 423 KIRKSTALL ROAD, LEEDS, LS4 2EW | 0113 323 7711 |
| ATS ConnectionATS CONNECTION LTD | QTM | Game Larder, Arundel, BN18 9AU | 01903 357002 |
| ATTAT Telecommunications Ltd | JAY | 154 Nightingale, London, N8 9PT | 2030962222 |
| AVC One LtdAVC One Limited | GBG | AVC House, Hertfordshire, SG1 2DT | 03330 200 200 |
| AVIATORIAI LTDAutonomation Ltd | QWK | 71-75 Shelton Street, London, WC2H 9JQ | 07999755570 |
| AVM Impact LimitedAudio Visual Machines Limited | BUF | 170 Windmill Road West, Sunbury, TW16 7HB | 0845 26 26 200 |
| AVT BridgeAVT Systems (UK) Ltd | MNZ | 44 Paul Street, London, EC2A 4LB | 020 7490 7977 |
| AYJ TelecomAYJ Ltd | HPN | 15 Saltash Road, Wilts, SN2 2EB | 07785 557772 |
| AabyssAabyss Limited | MTL | 19 Meridian Business Village, Liverpool, L24 9LG | 1517333223 |
| Aardvark IT | LIH | Flat 2, Eastbourne, BN21 1DU | 0870 224 0166 |
| Aardvark Installation Services | HKD | 2 Bell Lane, Cornwall, TR16 6AP | 01209 214 287 |
| AasthaAastha Ltd | IIM | 353A York House, Harrow, HA1 1LN | 2037510000 |
| Abacus Communications | GNI | 45 Beetham Road, Cumbria, LA7 7QN | 01539 898048 |
| Abbey Support LimitedABBEY SUPPORT LIMITED | RUX | Zeal House, London, SW19 3UU | 02085459660 |
| Abbey Telecom LtdAbbey Telecom Limited | DHF | Logic House, Lancashire, BB1 3AE | 01254 272000 |
| Abbeycomp IT Solutions Ltd | JPP | 86 Gloucester Place, London, W1U 6HP | 0207 487 4817 |
| Ability ITABILITY IT SERVICES LTD | RDZ | Strata House, Hull, HU3 5LL | 01482222477 |
| Able ICTABLE ICT LIMITED | NDH | 87a High Road, Uxbridge, UB10 8LH | 01895540035 |
| Abode Property Group LtdABODE PROPERTY GROUP LTD | RQE | Chapel Street, Manchester, SK16 4DT | 0800 988 0888 |
| About IT Limited | HLY | Unit S14 Allen House, Herts, CM21 9BN | 01279 461 910 |
| Absolute IPABSOLUTE IP LTD | QNU | 21 Montserrat Road, Lee on the Solent, PO13 9LT | 02381733512 |
| Absolute NetworksAbsolute Networks Ltd | MIC | Friar Gate Studios, Derby, DE1 1EE | 1332291992 |
| Absolute TechnologyAbsolute Technology UK LTD | HBF | Enterprise House, Southampton, SO14 3XB | 023 8057 4741 |
| Abtec Network Systems LtdAbtec Network Systems Limited | FED | Barents House, Leicestershire, LE16 9HW | 01858 438 510 |
| Abussi Ltd | IFJ | 1 Victoria Square, Birmingham, B1 1BD | 4.48459E+11 |
| AbzorbAbzorb Systems limited | CFV | Armytage Road, Brighouse, HD6 1QF | 01484 405 300 |
| Academia Ltd | IAM | 8 Kinetic Crescent, Enfield, EN3 7XH | 1992703900 |
| Acc-Sys Software LtdACC-SYS SOFTWARE LIMITED | RQK | 198 St Helens Street, Ipswich, IP4 2LH | 01473760760 |
| Accelerator LtdACCELERATOR LIMITED | NKH | Studio at 46, Winchester, SO23 8QY | 02079933102 |
| Accent NetworksACCENT NETWORKS LTD | SJK | 180 Markfield Road, Leicester, LE6 0FS | 01530244933 |
| Accent Telecom UK Ltd | CDY | PO Box 328, OX28 1ZR | 0870 950 1630 |
| Access Telecommunications Retail Limited | BWX | — | — |
| Access21Pipcall Limited | EFB | 258 Belsize Road, London, NW6 4BT | 0333 240 0621 |
| Accesspoint TechnologiesAccesspoint Technologies Ltd | JTE | Unit 7 Ashton Gate, Romford, RM3 8UF | 0203 189 2645 |
| Accord Business Solutions LtdACCORD BUSINESS SOLUTIONS LIMITED | RVU | Aurora House, Inverness, IV2 5NA | 07921711721 |
| Ace IT LimitedACE IT LIMITED | PED | Monarch House, Nottingham, NG16 3RY | 01773719748 |
| Ace TelecomsAce IT Services LTD | LBS | 5 Anderton Street, Morecambe, LA4 5DA | 01524 411666 |
| Ace Telecoms LtdACE TELECOMS LTD | PIP | Ace Telecoms Ltd, Omagh, Bt783en | 02882898007 |
| AcefoneTHE REAL PBX LIMITED | NHV | 3 Willow Close, Snodland, ME6 5FA | 02080680552 |
| AcehostsJCmicro Ltd | JPH | 30 musters road, nottingham, ng2 7pl | 1159825599 |
| Acerola | IFD | 2 Claremont Villas, Nailsworth, GL6 0LH | 01453 834430 |
| AckloACKLO LTD | SCK | 124 City Road, London, EC1V 2NX | 01242379479 |
| Acmatic Networks LimitedACMATIC NETWORKS LIMITED | QRA | 2 Grand Close, Dereham, NR19 2SZ | 07885589810 |
| Acomys Limited | DGF | 2 Church Street, Taunton, TA4 2LR | 01984 678 150 |
| AcomzAcomz Networks Ltd | KGI | Basepoint Business Centre, Bromsgrove, B60 3ET | 1527529922 |
| Acorn Business SolutionsACORN CORPORATE SOLUTIONS LTD | QRD | Acorn Business Centre, Manchester, M12 6AE | 01618830129 |
| Acorn Networks ServicesAcorn Networks Services Limited | DXK | 68 Great Eastern Street, London, EC2A 3JT | 020 7643 5900 |
| Acraman (717) LimitedIGO LIFE LIMITED | RAD | 1 Redcliff Street, Bristol, BS1 6TP | 07538 879368 |
| Acronyms Ltd | GCU | Tamar Science Park, Devon, PL6 8BX | 01752 606553 |
| Activ Communications | BBA | — | — |
| Active Comm.Solutions | BAV | — | — |
| Active Digital Communications LtdActive Digital Communications Limited | FXB | Actove Digital Communications Ltd, Kent, TN12 6UT | 01892 835522 |
| Active Office Scotland Ltd | KAA | 22 Douglas Street, Kilmarnock, KA1 1RB | 01563 545977 |
| Active Systems Group LtdACTIVE SYSTEMS GROUP LIMITED | RHV | Unit 1 Main Street, Doncaster, DN7 6PB | 01302 638 981 |
| Active Voice & DataActive Voice & Data Ltd | EXG | Units 7 & 9 Kendray Business Centre, South Yorkshire, S70 3NA | 0800 542 5390 |
| ActiveITActive Information Systems Ltd | IRU | 40 Ann Street, Worthing, BN11 1NX | 01903 257070 |
| Acturis Ltd | KUJ | 100 Hatton Garden, London, EC1N 8NX | 0207 079 4090 |
| Acuiti Solutions Ltd | HBH | The Laurels, Devon, EX22 6HX | 01409 259 196 |
| Acuity Unified Communications LtdAcuity Unified Communications Limited | FMZ | 2nd Floor, Birmingham, B26 3NW | 0333 344 3030 |
| AcumenACUMEN CYBER LTD | RQZ | 130 Cubie St, Glasgow, G40 2AF | 0330 236 8388 |
| Acumen System Solutions LTDACUMEN SYSTEM SOLUTIONS LTD | PUK | C/O Edward?s Veeder, Oldham, OL9 9XA | 08001932611 |
| Acutec Limited | FQW | St Peters House, West Midlands, B46 3AL | 01675 469020 |
| Acutel Limited | GMI | PO Bov 186, Heathfield, TN21 1AS | 0845 612 9880 |
| Acuutech Ltd | GWQ | 5/6 York House, Essex, IG10 3TQ | 020 8502 2155 |
| AdEPT TelecomAdept Technology Group Limited | BTH | Customer Service, Tunbridge Wells, Kent, TN4 8BS | 0870 190 9100 |
| AdMeterInternet Software Solutions Ltd | FNN | Whateleys Drive, Warks, CV8 2GY | 01926 678407 |
| Adam Phones Ltd | BTL | — | — |
| Adams Web ServicesMark Adams | JMX | Norwood, Aberdare, CF44 8NH | 01685 700040 |
| Add-on ITADD ON IT LTD | SKG | Sandall Stones Road, Doncaster, DN3 1QR | 01226827327 |
| AddSecureADDSECURE LIMITED | RWS | 5th Floor, R+ Building, Reading, RG1 1AZ | 01384492610 |
| Addcom ITAddcom IT Limited | PCB | 1 waverley lane, Farnham, GU9 8BB | 01252856061 |
| Added Security Technology (London) LtdADDED SECURITY TECHNOLOGY (LONDON) LIMITED | QFG | Unit 1 Ebury Bus Centre, London, TW3 3JZ | 02085686130 |
| Addooco ITAddooco IT LTD | KTF | Dundee House, Chesterfield, S41 8ND | 1246887887 |
| Adept Communications Ltd | HNX | Link House, Surrey, KT6 7HT | 020 8339 8888 |
| Adept Communications and TechnologyADEPT COMMUNICATIONS AND TECHNOLOGY LIMITED | MKF | Azure Business Centre, Newcastle upon Tyne, NE15 8LN | 1913410123 |
| Adept IT SolutionsGreg Brown and Lucy Blake | IQN | 97a Sprowston Road, Norwich, NR3 4QJ | 1603451810 |
| Adept Telecom-AdmiralAdept Technology Group Limited | BSM | 77 Mount Ephraim, Kent, TN4 8BS | 0870 190 9125 |
| AdeptSystemsADEPT SYSTEMS (HULL) LTD | NAI | 20 Wright Street, Hull, HU2 8HU | 01482935934 |
| Adepteo Limited | FWL | 24 Market Street, Bury, BL8 4AD | 0161 710 2098 |
| Adodo Consultancy Services Limited | HRJ | 26 Cropwell Road, Nottingham, NG12 2FS | 0115 970 1471 |
| Adoltis - IT & TelecomsAdoltis Limited | LBJ | Whiteley Mill, Nottingham, NG9 8AD | 0800 6122 848 |
| Adpet4telecomsCloudcoco Managed IT Limited | FBN | Birmingham Science Park, Birmingham, B7 4BB | 0121 250 3828 |
| Adra (Tai)ADRA (TAI) CYFYNGEDIG | RCT | Ty Coch, Bangor, Ll57 4BL | 01248677155 |
| Adtrak Services Ltd | CTZ | Wayside, Nottingham, NG12 4AA | 0800 542 0116 |
| Advance Computer CentreADVANCE COMPUTER CENTRE LIMITED | QJQ | 59 George Lane, London, E18 1JJ | 02085188353 |
| Advance Computer Solutions | QTC | 6 The Gilligans, Burgess Hill, RH15 8TD | 07801553735 |
| Advance IT Group Limited | KDL | Advance House, Birmingham, B64 6PU | 1215012288 |
| Advance Network Services Ltd | BDQ | — | — |
| Advance Voice And DataVisual Capital Limited | GAK | Hawthorn Cottage, Surrey, GU27 2BX | 0845 034 6991 |
| Advanced 365Advanced 365 Ltd | JZA | 230 City Rd, London, EC1V 2TT | 2078808888 |
| Advanced Connectivity LtdADVANCED CONNECTIVITY LTD | REW | The Events Company UK, Thornton Cleveleys, FY5 4QA | 01772971914 |
| Advanced Data Systems | FLP | Oaston House, Warwickshire, CV11 6JZ | 0845 2260 960 |
| Advanced Media Engineering Ltd | GWB | Sannerville Chase, Devon, EX6 8AT | 01392 824 022 |
| Advanced Mobile CommunicationsAdvanced Health and Care Limited | FNM | Advanced Health and Care Limited, Cobham, Surrey, KT11 1TF | 07825 266668 |
| Advanced Overwatch LimitedADVANCED OVERWATCH LIMITED | QJV | 1st Floor, Beresford House, Coleraine, BT52 1GE | 02870878077 |
| Advancery Limited | HHE | 19 Victoria Mews, Bingley, BD16 1PY | 01274 45 22 22 |
| Advant Consultancy LtdADVANT CONSULTANCY LTD | NLF | 53 Audenshaw Road, Greater Manchester, M34 5HJ | 03333580459 |
| AdvantEdge IT Solutions LtdADVANTEDGE IT SOLUTIONS LTD | NUM | AdvantEdge IT Solutions Ltd, Aldershot, GU11 2PW | 03303503830 |
| Advantage Business SystemsADVANTAGE BUSINESS SYSTEMS LIMITED | PVR | 150 Minories, London, EC3N1LS | 02030044600 |
| Advantage NetworksAdvantage Networks (UK) Limited | FDN | 4th Floor, London, W1S 2YN | 0845 310655 |
| Advantage technologies LtdAdvantage Technologies Limited | QQD | Nether Hall, Thetford, IP24 2EG | 01842763131 |
| Advantex Network Solutions Limited | FAE | 16B Follingsby Close, Tyne and Wear, NE10 8YG | 0845 222 0666 |
| AdvitelPremier Business Audio Ltd | MZC | Laverstoke Grange, Whitchurch, RG28 7PF | 3450711359 |
| Advoco Solutions Limited | HSM | Unit 11, Thatcham Business Village, Berkshire, RG19 4LW | 08452 608801 |
| AecsysAecsys Technologies Ltd | FTA | Unit 5, 1000 North Circular Road, London, NW2 7JP | 0870 974 2922 |
| Aeon Cloud SolutionsAEON CLOUD SOLUTIONS LIMITED | GKZ | 3 Redwing Court, Romford, RM3 8QQ | 0800 849 8458 |
| Aerial DirectAerial Direct Ltd | KGJ | Unit B Quay West Business Centre, Gosport, PO12 4LJ | 2392603055 |
| Aerial TelephonesAerial Telephones Limited | GKL | 10-12 Rodney Road, Portsmouth, PO4 8SY | 02392 737 513 |
| Aero Networks Limited | FAL | The Axis Building, Gateshead, Tyne and Wear, NE11 0NQ | 0845 6430 595 |
| Aerofinity LtdAEROFINITY LTD | NZQ | Framlingham Technology Centre, Framlingham, IP13 9EZ | 08000465182 |
| Af-itAF-IT LIMITED | NED | 129 South Street, Crewkerne, Ta18 8aa | 01460298197 |
| Affinicom Limited | CJX | Leeds Farm House, KENT, TN30 7NT | 01797 270 441 |
| AffinitiveAFFINITIVE LTD | RLK | 19 Darby Vale, Bracknell, RG42 2PH | 08000439228 |
| Affinity IT Services Ltd | JZR | Unit 24 President Buildings, Sheffield, S4 7UQ | 1143627000 |
| Affinity Technology LimitedAFFINITY TECHNOLOGY LIMITED | NHT | 8 viceroy House, Southampton, SO15 1HY | 02380981008 |
| AffinitycallAffinity Network Solutions Limited | LUG | Wayland House, Watton, IP256AR | 1953202003 |
| Affordable ITInside Technology Ltd | LTT | Suite 7.4, Southampton, SO14 0QB | 2380000770 |
| Agape CommunicationsAgape Communications Limited | GGG | 142 Craigs Road, BT38 9XA | 02893 212 020 |
| Agila Ltd | KBH | Geddes House Business Centre, Livingston, EH54 6GU | 01506 204832 |
| Agile CommsAgile Comms Ltd | QTW | 3 Buckland House, Plymouth, PL6 5WR | 01752914260 |
| Agile ITAgile IT Limited | ICC | Elsinore House, Bucks, HP20 2NQ | 01296 399237 |
| AgileInternetAgile ICT Limited | MRZ | Agile House, 2 Manor Court, Barnes Wallis Road, Fareham, PO15 5TH | 1329801801 |
| Agilico Systems LtdHobbs Parker 2000 Limited | BSE | 41 Riverside II, Kent, ME2 4DP | 0330 058 0505 |
| Agility Communications LTDTMR Agility Communications Limited | QED | 1 Swan Alley, Ormskirk, L39 2EQ | 03300949030 |
| Agnito UK LtdAgnito UK Limited | HPQ | 7200 The Quorum, Oxford, OX4 2JZ | 01865 524 524 |
| AgritalkAGRITALK LIMITED | NHZ | The Paddocks, York, YO42 1UF | 01904500575 |
| Ahead4 Ltd | GRM | 117 Hullbridge Road, Essex, CM3 5LL | 01245 426 163 |
| AimsnetARTIFICIAL INTELLIGENCE MANAGED SERVICES LIMITED | SDG | The Mill, Peterborough, PE8 5XD | 02073628888 |
| AindaleAindale BMS Limited | HIR | 31-33 Chapel Hill, West Yorkshire, HD1 3ED | 01484 518899 |
| Air BroadbandAir Broadband Limited | NVT | Old Sunday School, Cambridge, CB25 9HR | 01223 653400 |
| Air CommsAir IT Ltd | FUF | H3 Ash Tree Court Mellors Way, Nottingham, NG8 6PY | 0845 004 5029 |
| Air Net Services Ltd | DIZ | 62 St Philips Road, Hull, HU12 9TD | 0800 916 8570 |
| Air-Talk Solutions LimitedAIR-TALK SOLUTIONS LIMITED | NCC | 11 East Road, London, RM6 6XJ | 07572 375 597 |
| AirGen ITAIRGEN IT LIMITED | QFT | 3 Pintail Close, nottingham, NG4 2SG | 07772668753 |
| AirHub SystemsPentagram Systems Limited | RDQ | 27 Old Gloucester St, London, WC1N 3AX | 07842408244 |
| AirLincNetISP LTD | MFW | c/o NetISP Ltd, Spalding, PE11 1BH | 01775 757 000 |
| AirangelAirangel Ltd | FTD | Unit A, Cheshire, WA3 6GP | 0844 974 4006 |
| Airband Community InternetAirband Community Internet Limited | PYV | Unit 901, Worcester, WR4 9GN | 01905 676121 |
| AirbytesAIRBYTES COMMUNICATIONS LIMITED | PZX | Unit B, Brindley Close, Rushden, NN10 6EN | 02080898089 |
| Aircom limitedAIRCOM LIMITED | SDK | 47 Ellora Road, London, SW16 6JG | 02080587394 |
| Aire Connections LtdAIRE CONNECTIONS LTD | QKT | Duke House, Skipton, BD23 2HQ | 01274061001 |
| Airevalley Solutions Ltd | JGN | 16 - 18 Devonshire Street, Keighley, BD21 2DG | 01535 279135 |
| Airpage LtdAIRPAGE LIMITED | QXA | The Forde Ford Building, Peterborough, PE7 8GX | 07860344144 |
| Akita Systems Ltd | KFS | Unit 5, Kemsing, TN15 6PL | 01732 762675 |
| Alamo Business Systems LtdAlamo ICT Limited | JTN | Alamo House, Pontefract, WF8 1BN | 0845 500 2050 |
| AlbacoreAlbacore Systems Ltd | ITI | The Mill Yard, Southampton, SO16 0AJ | 023 8073 7100 |
| Albion BusinessAlbion Business Limited | GUE | 9 Howard Place, Staffordshire, ST1 4NN | 01782 269494 |
| Albion Computers Plc | DGG | 112 Strand, London, WC2R 0AG | 020 7212 9090 |
| Alchemist CommunicationsAlchemist Technologies Ltd | DZY | Alchemist House, Dumfries, DG1 3JU | 01387 269 888 |
| Alchemy Systems International Ltd | LKA | Alchemy House, Egham, TW20 9LN | 01784 223100 |
| Alcom ComputingAlcom Enterprises Ltd | EZW | 84 The Broadway, Bucks, HP5 1EG | 01494 784 784 |
| AldenWeb | PBP | 64, Brightlingsea, CO7 0TA | 07747845783 |
| Alert CascadeALERT CASCADE LIMITED | PWU | Allia Future Business Centre, Peterborough, PE2 8AN | 01733785999 |
| AlertacallAlertacall Limited | DZE | Pit Farm Farmhouse, Grange-Over-Sands, LA11 6HE | 0845 094 5201 |
| AlexSysALEXSYS COMMUNICATIONS LIMITED | NPQ | The Coach House, Radstock, BA3 4LL | 01761 241695 |
| Alfred Ashley Technical Services LtdAlfred Ashley Group Limited | DLS | (Business Phone Systems), Middlesex, HA6 1BN | 08708 711 003 |
| Alfred BroadbandALFRED BROADBAND LIMITED | SPL | 9 Thorney Leys Park, Witney, OX28 4GE | 02039514188 |
| Alfred MobileALFRED MOBILE LIMITED | SPV | 9 Thorney Leys Park, Witney, OX28 4GE | 02039514188 |
| AlifDigitalALIF DIGITAL TECHNOLOGY LIMITED | SAD | 17 The Hythe, Milton Keynes, MK8 8PB | 01908113300 |
| Alira Telecomteqdepot | JWG | Lombard Business Park, London, SW19 3TZ | 2080900687 |
| Alka IT Services LTDAlka IT Services Ltd | MXW | 36 Derby Road, Derby, DE723HA | 1332548550 |
| Allandale IT | LDZ | 85 South Knighton Road, Leicester, LE2 3LS | 07977 217196 |
| Alleviate IT SolutionsALLEVIATE IT SOLUTIONS LTD | RWP | 32 Gillygate, PONTEFRACT, WF8 1PQ | 07841419630 |
| Alliance Communication Solution Ltd | BKX | Milton Heath House, Dorking, Surrey, RH4 3NB | 0870 770 7370 |
| Alliance Communications Ltd | CFN | Kestrel Court, Portishead, BS20 7AN | 0870 300 2022 |
| Alliance Connectivity LtdConekt Telecoms Ltd | QCK | 17 George Street, St Helens, WA10 1DB | 01744902475 |
| Alliance Consultants LLPALLIANCE CONSULTANTS LLP | QMY | 63 Ivar Gardens, Basingstoke, RG24 8YD | 01256807707 |
| Alliance NetserveAlliance Netserve Ltd | KZV | Innovation House, Sandwich, CT13 9FF | 1227643001 |
| Alliance Solutions Ltd | IGZ | 5 Viewpoint Office Village, Stevenage, SG1 2EQ | 0800 292 2100 |
| Alliance SystemsAlliance Systems Ltd | JKW | 5 Westbury Mews, Bristol, BS9 3QA | 0117 9898110 |
| Alliance Technical Support Services LtdALLIANCE TECHNICAL SUPPORT SERVICES LIMITED | PYU | Beechwood House,, Brandon, CV8 3HR | 07720464405 |
| Allied Business CentreFJC Systems Limited | GPX | Allied Business Centre, Lancashire, WN8 9PW | 01695 550907 |
| Alltek Solutions Ltd | KDU | 3 St Andrews Hall, Shifnal, TF11 8AZ | 01952 463727 |
| Allware Systems Ltd | HAW | 30 The Street, Surrey, RH5 5LE | 01306 711625 |
| AlmadaALMADA LIMITED | NIA | 120 Carstairs Street, Glasgow, G40 4JD | 07970211788 |
| Alnwick ComputerwareAlnwick Computerware Ltd | IIE | Market Place, Alnwick, NE661HS | 1665604816 |
| Alpha ConnectivityALPHA CONNECTIVITY LTD | PRR | 100 ORCHARD AVENUE, BRENTWOOD, CM13 2DP | 02080950615 |
| Alpha IT Services | RTJ | Flat 7, Manchester, M14 5TX | 02030983100 |
| Alpha Omega ComputersAlpha Omega Computers Ltd | GXI | Batley Business Park, Batley, WF17 6ER | 0843 453 2820 |
| Alpha ScanAlpha Scan Computers Ltd | ITR | Unit 5 Brickfield Trading Estate, Southampton, SO53 4DR | 2380253008 |
| AlphaNetAlpha Business Communications Ltd | BPS | Network Centre, Staffordshire, ST5 7XE | 01782 576 000 |
| AlphanetALPHANET LIMITED | RPB | PO Box 2261, Reading, RG6 3SS | 01189797272 |
| Alphatalk LtdAlphatalk Limited | BYP | Digbeth Court, Birmingham, B12 0LD | 8450212000 |
| Alt-TechALT-TECHNOLOGIES LIMITED | NVG | 4 Malvern Drive, Altrincham, WA14 4NQ | 07485292347 |
| Altel Systems | SKJ | Beacon House, Leiston, IP16 4LL | 01728635100 |
| Alternative (Echo)WN Corporate Services Trading Limited | BGH | 5th Floor, London, SE1 8NW | 0800 912 1490 |
| Alternative (ICB)WN Corporate Services Trading Limited | BPP | 5th Floor, London, SE1 8NW | 0800 912 1490 |
| Alternative (Scalable)WN Corporate Services Trading Limited | CZJ | 5th Floor, London, SE1 8NW | 0800 912 1490 |
| Alternative Comms Limited | GKE | Acer Court, North Leigh Business Park, Witney, Oxon, OX29 6SW | 01993 880 720 |
| Alternative IT SolutionsAlternative Enterprises Ltd | LTA | Avocet House, London, E4 8TD | 2084984300 |
| AlternitOne LtdALTERNIT ONE LIMITED | NTE | 14 Cullum Street, London, EC3M 7JJ | 02070688999 |
| AltiatechALTIATECH LTD | NFM | 9, London, W4 2HA | 08008491522 |
| Always Networks LtdALWAYS NETWORKS LTD | PSI | Bizhub, Wharncliffe Business Park, Barnsley, S71 3GN | 01226827527 |
| AlwaysOnalwaysON Ltd | BUN | Bridge House, Berkshire, RG12 9BG | 0333 077 0000 |
| Amber Computing & IT Services Ltd | HCI | North Wing Officw, Aberdeenshire, AB34 5BD | 01224 676 945 |
| Amber TelecomIPX Telecom Limited | DBW | Hallmark House, RM11 1PU | 0808 178 8940 |
| Ambient Computer Services LtdAmbient Computer Services Limited | JFJ | Unit 2, London, E3 3JQ | 0207 537 7080 |
| Amcall Communications Ltd | BAL | — | — |
| AmcoFM LTDAMCO FACILITIES MANAGEMENT LIMITED | QSJ | Unit 7, Campus Five, Letchworth Garden City, SG6 2JF | 01462896959 |
| AmcompAmcomp Ltd | ENS | 9 Boltons Close, Northants, NN13 6ND | 0845 1292 911 |
| Amelix TelecomAmelix Limited | IJX | 67 John Wilson Business Park, Whitstable, CT53QT | 1227281333 |
| AmerisAmeris Limited | IBD | 8-12 Camden High Street, London, NW1 0JH | 020 7387 0473 |
| AmicaAmica Technology Ltd | IPH | 3 Strides Lane, Ringwood, BH24 1ED | 01425 600066 |
| Amicus NetworksAmicus Networks Limited | HPR | Regency House, Surrey, KT20 7RZ | 01737 833 334 |
| Amillan Limited | DCD | Connection House, Birmingham | 0121 260 8100 |
| Amity TelecomsAmity IT Services Ltd | JTQ | 2 Lower Barn Road, Croydon, CR8 1HQ | 4.47825E+11 |
| AmmnetAmmnet Limited | IZQ | Ammnet House, Burntwood, WS7 0HQ | 1543305133 |
| Amparo Technologies (UK) LtdAMPARO TECHNOLOGIES (UK) LTD | SJL | 20 Wenlock Road, London, N1 7GU | 03301221082 |
| Amplified ITAmplified IT Ltd | LGP | 130 Old Street, London, EC1V 9BD | 2074382025 |
| Amshire Solutions Limited | HHF | Amshire House, Cheadle Hulme, SK8 6QL | 0330 2020 340 |
| Amtech Business SolutionsAMTECH BUSINESS SOLUTIONS LIMITED | QIC | Oxford House, Newbury, RG141JB | 03306600538 |
| AmviaAmvia Limited | LJJ | Aizlewoods Mill, Sheffield, S3 8GG | 0333 733 8050 |
| AnDa Communications Ltd | PFA | 7 The Triangle, Gloucester, GL2 0NE | 07474245761 |
| Anato LimitedANATO LIMITED | RKM | Riverside House, Tonbridge, TN9 1EP | 02039301835 |
| Anaxion Support ServicesANAXION SUPPORT SERVICES LIMITED | SDJ | 3 King Street, Oldham, OL3 5DL | 01616460220 |
| Ancar B Technologies Ltd | FZJ | Unit 16, Victoria Spring Business Park, West Yorkshire, WF15 6BE | 01924 511118 |
| AnchorAnchor IT Solutions Limited | HTS | The New Bungalow, Lancashire, FY6 0NP | 01253 807783 |
| Andrews Computer Services Ltd | HAJ | Nash House, Hemel Hempstead, HP3 9SR | 01442 241 200 |
| Andromeda SolutionsANDROMEDA SOLUTIONS LTD | RTH | Queensway House, Middlesbrough, TS3 8TF | 01642 903810 |
| Angel Energy Supplies Limited | HYP | 100 Rooley Avenue, Bradford, BD6 1DB | 01274 758 010 |
| Angel IT SystemsAngel IT Systems Ltd | JKL | 38 Churchill Park, Nottingham, NG4 2HF | 0115 9517055 |
| Anglia Computer Solutions Business LtdANGLIA COMPUTER SOLUTIONS BUSINESS LIMITED | MXI | 28-29, Dereham, NR19 1TE | 1263340690 |
| Anglian Communications | MVM | 2 Portal Avenue, Corsham, SN13 0LQ | 01493 266266 |
| Anglian Internet LtdAnglian Internet Limited | GGA | Technology House, Norwich, NR7 8SH | 01603 400200 |
| Anglotech Group LtdANGLOTECH GROUP LIMITED | NAY | Attadale House, Darlington, DL1 4GD | 01325365403 |
| Annodata Business Communications | BNB | — | — |
| Anntech Group LimitedANNTECH GROUP LIMITED | RVK | 1 Cotebrook View, Lymm, WA13 0QY | 03333582831 |
| Anova Technology Limited | JAU | 27 Westwood Road, Birmingham, B73 6UP | 1213539170 |
| Antar Information TechnologyAntar Information Technology Ltd | GWH | 78 Cross Street, Cheshire, M33 7AN | 0161 973 3079 |
| Antechs Managed IT SupportPuzzle Technology Ltd | IQX | First Floor, St Ives, PE27 3LF | 3333443332 |
| Anthian Computer Systems Ltd | JLU | 24 Brookmans Close, Upminster, RM14 1SJ | 1277650645 |
| AnvilAnvil Mobile Limited | EUX | Unit B, Suffolk, CB9 7BN | 01799 252 000 |
| Anyit Limited | HWX | 9 Station Yard, Needham Market, IP6 8AS | 01449 798 088 |
| Anywhere CloudANYWHERE COMMUNICATIONS LIMITED | SEE | Unit 7 Twin Brook Business Park, Clitheroe, BB7 1QX | 03338800440 |
| Anywhere NetworkANYWHERE NETWORK LIMITED | PUJ | 191 Warwick Road, Solihull, B92 7AW | 01218273940 |
| Aonix Connect ServicesAonix (UK) Ltd | CTW | Select House, West Midlands, B69 4PA | — |
| Apex BroadbandAPEX BROADBAND LTD | QNN | Unit 38, Hull, HU3 4DL | 01482 247427 |
| Apex Computer ServicesApex Computer Services Wales Ltd | MMC | Unit 2, Newport, NP20 2BY | 1633215123 |
| Apex Computing Services LtdAPEX COMPUTING SERVICES LIMITED | PKI | 2nd Floor, Salford, M50 3XW | 01612330099 |
| Apex Network Solutions LtdAPEX NETWORK SOLUTIONS LIMITED | RWW | Apex House, Greater Manchester, M26 3AA | 01618209350 |
| Apex Networks Ltd | ENA | 2nd Floor, Dundee House, Kent, CT11 8HQ | 0871 522 3141 |
| Apex Systems Consultancy Ltd | LVZ | 6A Station Road, London, SE25 5AJ | 020 8771 7711 |
| ApogeeAPOGEE CORPORATION LIMITED | QFH | Nimbus House, Maidstone, ME16 0FZ | 03453009955 |
| Apollo CloudAPOLLO CLOUD SOLUTIONS LIMITED | QLX | Richmond House, Leeds, LS16 6QY | 03333582014 |
| Apollo ITAPOLLO I.T. LTD | PGT | Unit 5, Dartmouth, TQ6 9JY | 01803839480 |
| Apollo Technology Solutions Ltd | MQT | 6 The Street, Bath, BA3 3PL | 1761347198 |
| AppCaptionAPPCAPTION LTD | PEC | 71-75, Shelton Street, London, WC2H 9JQ | 07943550553 |
| AppamondoMIMASM Limited | FXR | Boho One, Middlesbrough, TS1 2AE | 0843 224 9088 |
| Applecheck (Essex) Ltd | LJC | Summer House, Westcliff on Sea, SS07PH | 1702680005 |
| Applewood IT LtdAPPLEWOOD IT LIMITED | RWM | 2 The Quarry, Betchworth, RH3 7BY | 020 3141 8833 |
| Applied Interactive MediaAPPLIED INTERACTIVE MEDIA LTD | KMG | Goodyear Business Park, Mawdesley, L40 2QP | 1704823700 |
| Applied Network Computing Ltd | FUH | 71 Church Street, Staffs, ST7 8EE | 01782 478 658 |
| Applied Technologies Group LTDAPPLIED TECHNOLOGIES GROUP LTD | NFA | Unit 8 Ross House, Ballymena, BT44 0EN | 02825220110 |
| Applied Voice and Data Solutions | CZE | Cathedral House, Belfast, BT1 2DX | 028 9043 6618 |
| Apponotec Ltd | HZJ | 16 Philip Avenue, Kent, BR8 8HG | 0845 388 4763 |
| Approach IT | JLT | Suite 9, Unit 1B, Cragg Vale, HX7 5TT | 3452221510 |
| Apptel Limited | MKH | Unit 4, Warminster, BA12 0QE | 1985851297 |
| Apt CommunicationsAPT COMMUNICATIONS LIMITED | RWA | Fleming Court, Eastleigh, SO509PD | 03333608020 |
| AptanetAptanet Ltd | LER | 39 The Thicket, Waterlooville, PO7 5JL | 2392380001 |
| Apto Information TechnologyAPTO INFORMATION TECHNOLOGY LIMITED | RIF | 52 High Street, Middlesex, HA5 5PW | 01923 521 621 |
| AquaIT Support LimitedAqua IT Support Limited | IIU | 14 Cartleburn Gardens, Kilwinning, KA13 7ND | 0141 5302007 |
| AquilacomAQUILACOM LIMITED | PTF | 86-90 Paul Street, LONDON, EC2A 4NE | 07815921695 |
| AquilatecYour PC Ltd | HWL | New Gallery, London, N8 9HY | 020 8342 5010 |
| Aquilative TechnologiesAQUILATIVE TECHNOLOGIES LIMITED | PAJ | 124 City Road, London, EC1V 2NX | 020 3432 3257 |
| AquissAquiss Limited | ENN | PO Box 4710, Shropshire, WV16 9AN | 01746 708090 |
| Aranca NetworkARCANA NETWORK LTD | PQL | 33 Highlands, Devizes, SN10 5NS | 07779011728 |
| Arc MobilesARC (NOTTM) LTD | QXV | Blenheim Court, Nottingham, NG1 3BY | 01159508100 |
| ArcITarc IT Solutions Ltd | HQU | Thornton House, Staffordshire, ST4 2DL | 01782 202 529 |
| Arcade Uk LtdArcade UK Ltd | JKK | Arcade House, Kimbolton, PE28 0LW | 4.41481E+11 |
| Archer Technology GroupARCHER TECHNOLOGY GROUP LTD | SCP | Portland House, CARDIFF, CF10 5EQ | 02921506111 |
| Arcom IT LtdArcom IT Limited | MXQ | Export House, Woking, GU21 6QX | 01483 505055 |
| Arcus NetworkBaglio International Trading Ltd. | MML | 20-22 Wenlock Road, London, N1 7GU | 7516508097 |
| Arcus Technology LimtedArcus Technology Limited | FQS | 1 Great Cliffe Court, Barnsley, South Yorkshire, S75 3SP | 01226 900111 |
| Arden ITARDEN INFORMATION TECHNOLOGY LIMITED | RDC | 43 Hough Road, Grantham, NG323BY | 01158711811 |
| Arid SystemsArid Systems Ltd | JEX | 34 Victoria Road, Kirkcaldy, KY1 1DR | 1592858042 |
| Aries Networks LtdARIES NETWORKS LIMITED | QDP | Unit 7 J3 Business Park, Doncaster, DN4 8DE | 01302220600 |
| Arisio LtdARISIO LTD | SJE | Preston Park House, Brighton, BN1 6SB | 03333660607 |
| Aritel LimitedARITEL LIMITED | QZR | Suite 2993, Holborn, EC1N 8DX | 01214682610 |
| Ark ICTArk ICT Solutions Ltd | MWA | Unit 6 Venture Court, Spalding, PE11 3BG | 01775 720252 |
| Ark Technology Group LTDARK TECHNOLOGY GROUP LTD | PWD | 14 Whitledge Road, Wigan, WN4 9XG | 07463285021 |
| Armco ITArmco IT Consulting Ltd | IAQ | 10 The Maltings, North Yorkshire, YO17 7DP | 01653 699513 |
| ArmournetARMOURNET TECHNOLOGIES LTD | RKT | 8A Basepoint Business Centre, Waterlooville, PO7 7TH | 01243696953 |
| Armstrong Bell Ltd | CQH | Office 13, Greenbox, Bromsgrove, B60 4AL | 0845 050 5757 |
| Arotec TelecomsArotec Limited | KVP | 1 Heather Gardens, Waltham Abbey, EN9 3YF | 3302020223 |
| Arqiva Ltd | HNV | Crawley Court, Hampshire, SO21 2QA | 01962 822 161 |
| ArrandigitalArrandigital LLP | KJH | The Old Hay Barn, Isle of Arran, KA27 8NB | 1770460024 |
| Arrival Consulting LtdARRIVAL CONSULTING LIMITED | QGU | Unit 4a Dell Buildings, Lymington, SO41 0ED | 01202000150 |
| ArrowArrow Business Communications Limited | CTF | St George's House, Surrey, KT13 9UX | 0330 440 4444 |
| Arrow Business CommunicationsArrow Business Communications Limited | BSB | St Georges House, Surrey, KT13 9UX | 0330 440 4447 |
| Arrow Comms Ltd | LPY | Unit 2 Gosforth Park Avenue, Longbenton, NE12 8EG | 8081643040 |
| Arrow Converged Solutions Ltd | LDB | 5th Floor Ashford Commercial Quarter, Kent, TN23 1FB | 0808 141 1010 |
| Arrow IT Solutions Ltd | JDE | Fort Dunlop, Birmingham, B24 9FE | 0121 295 1305 |
| Artemis Network Services Ltd | LKK | 147a High Street, Walthamcross, EN8 7AP | 2084490651 |
| Artisan AutomationARTISAN AUTOMATION LTD | PMX | 3 Bartholomew's Walk, Ely, CB7 4EA | 01223859151 |
| Arubic Communications Ltd | LPB | Lady Lovell Cottage, Burford, OX18 4DE | 1993764324 |
| Arun Tech Support LtdARUN TECH SUPPORT LTD | PKT | Game Larder, Arundel, BN18 9AU | 01903 357002 |
| Arxsis LtdARXSIS LTD | NZC | 203 West Street, Fareham, PO16 0EN | 02078469560 |
| As OneSolareast UK Limited | PTX | Tower Buildings 9, Morpeth, NE61 1PY | 01918150110 |
| As-Voip Communications | DPN | 20 Fletcher Gate, Nottingham, NG1 2FZ | 01159 838795 |
| Asanti DCAsanti DataCentres Limited | PQK | Unit 4B Gateway Business Park, Grangemouth, FK3 8WX | 03301249990 |
| Ascend Technology Solutions LtdASCEND TECHNOLOGY SOLUTIONS LTD | QNX | 9 Meadow Farm Drive, Shrewsbury, SY1 4LX | 01743387378 |
| Ascent Global Services Limited | FKJ | 7-10 Adam Street, London, WC2N 6AA | 020 7871 1590 |
| Ascent ITCAMBRIDGE COMPUTER CONSULTANTS LIMITED | PBB | Hercules House, Alconbury Weald, PE28 4YA | 01480262262 |
| Asdon GroupA.& S. DONALDSON (NORTHERN IRELAND) LIMITED | NNW | Systems House, Lisburn, BT28 2BP | 02892675114 |
| Ash TelecomAsh Telecommunications Ltd | FWF | 14a The Broadway, Surrey, GU1 1DY | 0844 846 7707 |
| Ashdown Solutions Limited | GXR | 22 Garden Wood Road, East Grinstead, RH19 1NL | 01342 318 022 |
| Ashgates ITASHGATES IT LIMITED | QJJ | 5 prospect Place, Derby, DE24 8HG | 01332380691 |
| Ashgill Communications & Media | KNH | 4 Mauldslie Place, Ashgill, ML9 3BE | 0141 4321 274 |
| Ashgoal LtdAshgoal Limited | DSE | Unit C, Queens Road, Herts, EN5 4DJ | 020 8275 5100 |
| Ashleigh Consulting | JDQ | Ashleigh, Taunton, TA4 1AW | 1823461491 |
| Ashton Office Supplies Ltd | GYF | 204-208 Stockport Road, Lancashire, OL7 0NS | 0161 330 2348 |
| Ask Global SolutionsAsk Global Solutions Ltd | MCT | 71-75 SHELTON STREET, LONDON, WC2H 9JQ | 01494 727546 |
| Ask IT Solutions LtdASK IT SOLUTIONS LTD | NMU | 32 Church Street, Cambridgeshire, CB24 5HT | 01223606600 |
| Aspect Business Communications Ltd | ITE | Unit 28 Brynmenyn Business Centre, Bridgend, CF32 9TZ | 08458 277 328 |
| Aspect IT Limited | HEP | Unit 4 County End Business Centre, Oldham, OL4 4TZ | 0161 241 9050 |
| Aspect VoiceTRUE COLOUR DIGITAL COMMUNICATIONS LIMITED | QNM | Office 9, Consett, DH8 6BP | 01207 593500 |
| Aspen Solutions Ltd | MJT | 2 Napier Way, Glasgow, G68 0EH | 1236786111 |
| Aspen Technologies Ltd | ESF | 16 The Office Village, Leics, LE11 1QJ | 01509 212 202 |
| AspiraCloudASPIRACLOUD LTD | RMS | 8 Azure Walk, Nuneaton, CV10 9GQ | 02476970550 |
| Aspire IT Services LTDASPIRE IT SERVICES LIMITED | PEI | 8 Albert Rd, Stockport, SK8 5DA | 01616695522 |
| Aspire Net Solutions LtdAspire Net Solutions Limited | GPG | 9 Thrasher Road, Buckinghamshire, HP19 0LP | 01296 748 583 |
| Aspire Technology Solutions Ltd | FKS | Heworth Hall, Gateshead, NE10 0UX | 0845 6439200 |
| Assembly Channel Services LtdThecommscollective.Club Limited | GHI | Chancery House, London, WC2A 1QU | 0844 243 0222 |
| Assembly Global NetworksAssembly Global Networks Ltd | EKN | 45 Conduit Street, London, W1S 2YN | 0844 871 8430 |
| Assign IT Ltd | HSW | Unit 17, Brick Knoll Park, Herts, AL1 5UG | 01727 843888 |
| Assimilated Communications Ltd | HEI | Eleanors Cross, Bedfordshire, LU6 1SU | 0845 468 1212 |
| Assist TelecommunicationsASSIST TELECOMMUNICATIONS LTD | SMH | 167-169 Great Portland Street, London, W1W 5PF | 01271500234 |
| Associated Networks (UK) Ltd | JRE | Unit 20 Bumpers Enterprise Centre, Chippenham, SN14 6QA | 2071270500 |
| Associated Telecom SolutionsActon-Tec Services Ltd t/a Associated Telecom Solutions | FJX | Rural Enterprise Centre, Shrewsbury, SY1 3FE | 0845 174 0010 |
| Assured CommunicationsAssured Communications (Leicester) Ltd | FMA | Park House, Leicester, LE1 3DW | 01509 348 010 |
| Assured DigitalASSURED DIGITAL TECHNOLOGIES LIMITED | SII | The Quorum, Bristol, BS1 3AE | 07801813100 |
| Assured Telecoms Ltd | KEK | 43 Great Eastern Road, Buckie, AB56 1SR | 8003168268 |
| Astaris IT & MarketingTwo Peas in a Pod Ltd | IBT | Hangar 4,, West Sussex, BN43 5FF | 01273 359 133 |
| Astec Computing (UK) Ltd | EVI | Astec House, East Sussex, TN38 0TA | 01424 460 721 |
| Aston Barclay UK Ltd | DKN | 38 Billing Road, Northampton, NN1 5DQ | 01604 603 066 |
| AstonB CommsAston Berkeley Systems Limited | FPV | Berkeley, Warrington, Cheshire, WA13 9AR | 01925 751100 |
| Astrix TelecomAstrix Integrated Systems Limited | GCS | Venture House, Abercynon, CF45 4SN | 0845 22 66 572 |
| Astro Communications LtdAstro Communications Limited | FPJ | 41 High Street, Kent, BR8 8AE | 01322 610 111 |
| Astute CommunicationsAstute Communications Ltd | DVC | 323 Wilmslow Road, Manchester, M14 6NW | 0844 4068 714 |
| AstutiumAstutium Limited | IDP | 1st Floor, London, EC2R 8JR | 020 3475 2555 |
| AsygmaASYGMA LTD | NPF | 71-75, London, WC2H 9JQ | 02070912954 |
| AsyliaAsylia Ltd | HQR | 64 Hillsbrough Road, County Antrim, BT28 1JJ | 0800 840 2039 |
| AtSol LtdATSOL LTD | NWI | Unit 10, Beta Terrace, Ipswich, IP3 9FE | 01473760200 |
| Atalian Servest AMK LtdOCS M&E Services Limited | QQU | 42 Dryden Road, Loanhead, EH20 9LZ | 0131 440 6000 |
| Atech Network Services LtdAtech Network Services Limited | DDL | Unit 5 Rotherbrook Court, Hampshire, GU32 3QG | 0844 854 0054 |
| Atech Support LimitedAtech Support Ltd | GRE | Unit 9, Bucks, HP10 9RS | 1628648777 |
| AtemaATEMA LTD | NUP | 1 West End, Malmesbury, SN16 0BD | 01453704299 |
| Atexa Fire & Security Solutions LimitedATEXA FIRE AND SECURITY SOLUTIONS LIMITED | RYQ | 19 Law Place, East Kilbride, G74 4QL | 01355721166 |
| AtlanticScottish And Southern Energy Plc | CFI | PO Box 360, Portsmouth, PO6 2YJ | 0845 300 2320 |
| Atlantic Comms LTD | QJE | 69 High Street, Bideford, EX39 2AT | 07895342777 |
| Atlantic Data LtdATLANTIC DATA LTD | NZK | Atlantic House, Milton Keynes, MK6 1BU | 03333207307 |
| Atlantic Telecoms Group ltdATLANTIC TELECOMS GROUP LTD | QKY | Flat A, Trulls Hatch, CROWBOROUGH, TN6 3QL | 07908653788 |
| Atlas Business GroupAtlas Business Group of Companies Ltd | HJG | Globe Works, Cheshire, CW5 5RL | 0333 666 3332 |
| Atlas CloudATLAS CLOUD LIMITED | QGY | Generator Studios, Newcastle upon Tyne, NE1 2LA | 0191 743 0069 |
| Atlas CommunicationsAtlas Communications NI Limited | ETN | 1 West Bank Close, Belfast, BT3 9LD | 028 9078 6844 |
| Atmos TechnologyAtmos Technology Limited | KCT | The Mansion, Milton Keynes, MK3 6EB | 1908889750 |
| Atmosphere IT LimitedATMOSPHERE IT LIMITED | RUZ | Lexham House, Bracknell, RG42 4HP | 01753255300 |
| Atom IPAtom IP Ltd | LLM | 3 college place, Southampton, so152fb | 3300881012 |
| Atom IT Solutions LTDATOM IT SOLUTIONS LTD | NWE | Unit 1 Coverdale Point, Nottingham, NG18 5BY | 08009078609 |
| Atom Technology SolutionsATOM TECHNOLOGY SOLUTIONS LIMITED | PZC | Gosforth Park Avenue, Newcastle, NE128EG | 01912496484 |
| Atomwide Voice ServicesAtomwide Ltd | HRM | 2/3 Ravensquay Business centre, Kent, BR5 4BQ | 01689 814 700 |
| AtosATOS IT SERVICES UK LIMITED | MRH | Mid City Place 71, London, WC1V 6EA | 8007833040 |
| AtriumATRIUM TELECOM LTD | NNU | TOPs Business Centre, Lancs, OL10 1AQ | 08449803373 |
| AttaroAttaro Ltd | MTN | Office 8, Whitchurch, SY13 1LZ | 1948759379 |
| Attend ITAttend IT Ltd | MIV | 80 High Street, Brentford, TW8 8AE | 020 8626 4485 |
| Attend2ITAttend 2 IT Limited | IGG | Unit 8, Buntingford, SG9 9AZ | 1763878086 |
| Attivo Business GroupATTIVO BUSINESS GROUP LTD | PCR | 190 Dover Drive, Dunfermline, KY11 8HB | 0141 370 8165 |
| AttractAttract-IT Ltd | QUW | 71-75 Shelton Street, London, WC2H 9JQ | 02038170283 |
| Aubury Computer Systems Ltd | HPS | York House, Tewkesbury, GL20 5HG | 01684 299 007 |
| AudraAUDRA SOLUTIONS LIMITED | QUJ | 335 City Road, London, EC1V 2LJ | 07894082454 |
| AuraSmart Cloud Limited | MKK | Suite 114 Imperial Court, Liverpool, L2 3AB | 1513808180 |
| Aura IT SolutionsAURA IT SOLUTIONS LIMITED | RDW | Suite 210, Loughton, IG10 3TZ | 02034059110 |
| Aura Technology LtdAURA TECHNOLOGY LIMITED | NPH | 15-17 Cumberland House, Southampton, SO14 3TJ | 03333208601 |
| Aurawolf Global LtdAURAWOLF GLOBAL LTD | SGF | 71 Brimstone Drive, Newton-le-willows, WA12 9LY | 01618505220 |
| Aurora Managed Services LtdAURORA MANAGED SERVICES LTD | SLT | 1-2 Castle Lane, LONDON, SW1E 6DR | 02075033000 |
| Aurora Networks LtdSKD 20 Limited | CCK | 84-85 Long Lane, London, EC1A 9ET | 0870 410 0910 |
| Aurora Technologies Ltd | HHG | Leicester Business Centre, Leicester, LE4 5HH | 0845 009 9099 |
| Aurora Telecom UK Limited | KSG | Suite D2, Chester, CH1 4QR | 1244573150 |
| Aurora kendrick JamesGiacom (Platforms) Limited | CAG | Unit 7, Chatham, Kent, ME5 9UD | 01634 673800 |
| Autodata Products LtdAutodata Products Limited | HCV | The Holywell Centre, London, EC2A 4PS | 020 7749 7949 |
| Auxilium IT Consultancy LtdAUXILIUM IT CONSULTANCY LTD | PRW | Challenge House, 29 Canal Street, Glasgow, G4 0AD | 01415309460 |
| AvagioAvagio I.T.S LtD | IVV | 4A Lansdowne Court, Chippenham, SN14 6RZ | 1249654871 |
| Avalon ITActive8 Managed Technologies IT Ltd | KZZ | Unit 2 Marine Studios, LINCOLN, LN1 2UA | 3333442482 |
| Avantek Computer LtdAvantek Computer Limited | JRS | St Peters Road, ARNESBY, LE8 5WJ | 0330 300 3000 |
| AvaxITGREENTRICITY LIMITED | PPG | 15 Pipers Green Lane, Edgware, HA8 8DG | 02089583738 |
| Avec Telecom LtdAVEC TELECOM LIMITED | NFQ | Salamander House, Beds, MK42 0DH | 02036211033 |
| Avensys Networks Ltd | HND | 180 Attercliffe Road, Sheffield, S4 7WZ | 0114 224 3390 |
| Avian TelecomAvian Mobile Ltd | LIB | Unit 1 Winkhurst Farm, Sevenoaks, TN14 6LB | 1732750744 |
| Avid Computers Ltd | IXY | South Suffolk Business Centre, Sudbury, CO10 2ZX | 01787 881783 |
| Avie Networks LtdAVIE NETWORKS LIMITED | NUA | Cloudbase Studios, Norwich, NR13 3ER | 01603590480 |
| Avita Tech LimitedAvita Tech Ltd | HBS | 1 Clock House Road, Kent, BR3 4JS | 020 8663 0077 |
| AvocoAvoco UK Ltd | CFD | Unit 38, Consett, County Durham, DH8 6BP | 0845 241 5500 |
| Awaken IT Ltd | MGB | Market Weighton Business Center, York Road, Market Weighton, York, YO433GL | 1904375000 |
| Awareness Software Limited | KJQ | 104 Palmerston Street, Macclesfield, SK10 5PW | 0845 862 0350 |
| AxianetAxia Computer Systems Ltd | HZG | 111 St Albans Road, Hertforshire, WD17 1UH | 01923 333111 |
| AxiansAXIANS NETWORKS LIMITED | SPS | Belvedere House, Basing View, Basingstoke, RG21 4HG | 07966019315 |
| Axiom Business Systems Limited | DFU | Wardens House, Lincolshire, PE9 1PB | 01780 484 160 |
| AxionAXION TELECOM LIMITED | RXT | 34 Fordingbridge Road, Southsea, PO4 9JW | 07738678921 |
| Axione Fibre LtdTrooli Thistle Limited | QBZ | Becket House, LONDON, SE1 7EU | 07500790083 |
| Axione UKAxione UK Limited | GAP | Waterloo Centre, London, SE1 7NQ | 020 7401 0020 |
| Axis FirstSystems Axis Limited | ILS | Axis House, Bridgwater, TA6 3EQ | 01278 421020 |
| Axis Telecom Ltd | BTV | — | — |
| Axon-itAxon-IT.com Limited | FXF | Charter House, Cheshire, SK10 2NG | 0845 313 0025 |
| AxonexAxonex Ltd | DXC | Sixth Floor, Eagle Tower, Gloucestershire, GL50 1TA | 01242 535 700 |
| Axys Tech LtdAXYS TECH LTD | SMC | 10 Stirling Cloe, Corby, NN18 8PP | 0330 0022 131 |
| Ayida Telecom Ltd | JNW | BIP Building, Oldbury, B69 4NH | 1216614820 |
| Ayo TelecomNet Services (A Y O) Ltd | NSB | 54 Washington Street, Glasgow, G3 8AZ | 01414030072 |
| Azel CloudImpact IT Global Ltd | LIA | Innovation Warehouse, London, EC1A 9PT | 2032393181 |
| AzetsAZETS HOLDINGS LIMITED | RCX | Centre House, Court Parade Aldridge, Walsall, WS9 8LT | +441213234455 |
| Azro Limited | LCQ | Ashfield Lodge, Newton Abbot, TQ12 1AH | 8458052740 |
| Aztec ComputersAztec Computers Ltd | MUP | 5 & 5A The Courtyard, Selsey, PO20 9DY | 01243 200175 |
| Aztec Telecom Ltd | GTP | Vanguard Suite, Middlesbrough, TS1 5JA | 01642 919 880 |
| AztekAztek Holdings Limited | MXC | The Chapel (Offices), Camborne, TR14 8QX | 01209 712816 |
| Aztek CommsAZTEK COMMS LIMITED | NFS | The Chapel (Offices), Camborne, TR14 8QX | 01209712816 |
| Azure Internet | JYP | 42 Hall Lane, Leeds, LS18 5JF | 7947672417 |
| Azure RD LtdAZURE RD LIMITED | RQJ | The White House, Liversedge, WF15 6JA | 07900236517 |
| Azzurri Communications Ltd | CVJ | Azzurri Hous, West Midlands, WS9 0RB | 01922 650111 |
| adi TelecomADI Telecom | GTI | 66 Melchett Road, Birmingham, B30 3HX | 0121 451 2255 |
| adooaADOOA LIMITED | PEY | 26 London Road, St Albans, AL1 1NG | 03300948018 |
| alphatechAlpha Technology Systems LTD | JBV | Unit 40 Metcalfe Road,, Middlesbrough, TS6 6PT | 01642 309767 |
| amatis NetworksBrave New World Group Ltd | JHG | 58 Portman Road, Reading, RG30 1EA | 1183219944 |
| appleMKAndrew Woollard | PCN | 2 Waterside, Milton Keynes, MK6 3DG | 01908696968 |
| aql(AQ) LIMITED | DQL | 13-15 Hunslet Road, Leeds, LS10 1JQ | 0870 744 9227 |
| arc telco ltdJordan Woods Group Limited | NPX | 20-22, london, n1 7gu | 07875141948 |
| asyouneedASYOUNEED.COM LIMITED | PPN | Unit 5b New North House, London, N1 7BJ | 0845 004 3965 |
| audio media group.co.ukAUDIO MEDIA GROUP LIMITED | PXD | 5.7 Empress Business Centre,, Old Trafford, M16 9EA | 03301220463 |
| avecSysAvec Systems Ltd | IEF | 27 Mill Street, Bedford, MK40 3EU | 8701251300 |
| awkcomputersAwkcomputers Ltd | GXM | 59 Market Street, Westhoughton, BL5 3AG | 01942 812 099 |
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.