Ofcom RID register · updated weekly
UK telecom providers — L
212 Ofcom-registered communications providers whose name begins with L, 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 |
|---|---|---|---|
| L A Comms Ltd | ETR | Ribble Court, Padiham, BB12 7NG | 0844 776 7564 |
| L N CommsBoundless Networks Limited | HYH | Hangar 1, West Yorkshire, LS19 7UG | 0845 643 5811 |
| L.E.A.D. IT ServicesL.E.A.D Services Limited | LUT | Wyvern Court, Derby, DE21 6BF | 1332861956 |
| L2MCL2MC Ltd | KXX | Beech House, Radlett, WD7 7DD | 800833599 |
| LA ConnectLA Connect Limited | GII | 39/40 The Arches, Berkshire, SL4 1QZ | 01753 625 111 |
| LA ICT Services Limited | LEX | C/O Baldwin Gravestock & Owen Limited, Wolverhamption, WV1 3JE | 1922211600 |
| LAITNTLaser Alarms & IT Solutions Limited | RNU | 23 Hawthorne Rise, Nottingham, NG16 2RG | 01159324658 |
| LAN TechnologiesJaeger& Co | JGX | 12, Southport, PR8 3AE | 3333444534 |
| LAN-Serve IT SolutionsApogee Solutions Limited | GDN | The Innovation Centre, Basingstoke, Hants, RG21 4HG | 0845 453 0101 |
| LATOS DCLATOS DATA CENTRE LTD | QGS | 3 George Stephenson Court, Stockton-on-Tees, TS18 3FB | 01642988182 |
| LAYEREDTECHLAYERED TECHNOLOGIES LIMITED | PWM | 70 Prince Street, Bristol, BS1 4HU | 01172449373 |
| LB Tech Solutions LtdLB TECH SOLUTIONS LTD | SAQ | Suite G7, Woodland Place, Wickford, SS11 8YB | 01268206363 |
| LCC Communications LtdLCC Communications Limited | BNF | Pragnell House, Stockton-on-Tees, TS18 3TT | 0800 652 2256 |
| LCC London Central CommunicationsLondon Central Communications Ltd | DCA | 42 Southwark Street, SE1 1UN | 020 7981 0800 |
| LCHostNetcalibre Ltd | HGZ | Unit F53, London, E16 1AH | 020 3026 2626 |
| LCS Group LimitedLCS GROUP LIMITED | PHX | Riverside House, Grimsby, DN31 1RD | 01472501234 |
| LET NetLeading Edge Technology Ltd | DYL | 5 The Atrium, Middlesex, TW15 2UD | 08456 447 949 |
| LGCITLETCHWORTH GARDEN CITY IT LIMITED | SGZ | 79 Kyrkeby, Letchworth Garden City, SG6 2PG | 07896180471 |
| LINK CONNECTIVITY LIMITED | QHY | The Old Star, Princes Risborough, HP27 9AA | 0203 4321 952 |
| LINK FIBREIT Data and Security Limited | RWD | Unit 5, Gravesend, DA11 0RG | 07445415252 |
| LINK IP NETWORKS LIMITED | NFN | 20-22 WENLOCK ROAD, London, N1 7GU | 0161 826 2464 |
| LINK-CONNECTSouthern Communications Data Services Limited | CHY | Frensham House, Surrey, GU9 8QT | 01252 740 800 |
| LIV TECHNOLOGY LTD | QLQ | 83 Baker Street, London, W1U 6AG | 02078466533 |
| LIV Unified CommsLIV Unified Comms LTD | MIF | 179 Parr Lane, Lancs, BL98JW | 1613597020 |
| LJT Systems Limited | JWE | First Floor, Blackpool, FY2 0AS | 1253966060 |
| LLU Communications Ltd | LZB | Unit H, Gateway 1000, Whittle Way, Stevenage, SG1 2FP | 2030263206 |
| LM Global Telecoms LtdLM GLOBAL TELECOMS LIMITED | PPA | 2nd Floor, College House, London., HA4 7AE | 01919331333 |
| LMC TechnologiesLMC TECHNOLOGIES LTD | NIG | Storage World, Manchester, M12 6LP | 01617144400 |
| LMD Telecom LtdLMD TELECOM LTD | PGR | Suite 4, Skelmersdale, WN8 8AZ | 07899849575 |
| LMG Networks Ltd | JVT | Office 3 Margaret House, Adlington, PR7 4HD | 01257 786200 |
| LMS GroupLMS Computer Services Ltd | HXQ | Unit 2 The Sussex Business Village, West Sussex, PO22 0AL | 0330 088 2565 |
| LMentaryLMENTARY LIMITED | SBB | 71 Sandy Lane South, WALLINGTON, SM6 9RF | 02034180142 |
| LOGIC 1ST LTD | MVF | Unit 4, William Booker Yard, Arundel, BN18 0PF | 01273 784900 |
| LOL-NetworkCybuyz Group Ltd | MAD | 27 Old Gloucester Street, London, WC1N 3AX | 1915514848 |
| LONDON FIBRE GROUP LTD | PAQ | 1, LONDON, N6 5LE | 07555428981 |
| LOQEX LtdLOQEX LIMITED | QBQ | Woodgrove Farm, Burford, OX18 4BH | 03451934949 |
| LSA Systems Ltd | HNR | 20 Radford Crescent, Essex, CM12 0DU | 0845 230 2940 |
| LSA TechnologyAdvanced Technology Consultants Ltd | HIQ | 106 Church Lane, Cheshire, SK6 7AR | 0161 426 0404 |
| LTSLocal Telecom Service Ltd | HVK | 2 Chessingham Court, York, YO30 4WQ | 01904 330 331 |
| LWCLondon Web Limited | FRE | Security House, Elstree, WD6 3EE | 020 8349 4500 |
| LYNKLYNK TELECOM LTD | RMI | 3 Piccadilly Place, Manchester, M1 3BN | 01614311100 |
| Labyrinth Computers Ltd | GXU | Unit 3, Yeovil, BA22 8UY | 01935 421299 |
| Labyrinth Technology Ltd | JCD | 184 Lower Road, London, SE16 2UN | 2030029603 |
| Ladybird CommunicationsLadybird Communications Limited | LHW | Unit 3, 2 Laureate Paddocks., Newmarket, CB8 0AP | 01638 640000 |
| Ladybird Voice Solutions Limited | GKD | The Latton Bush Centre, Southern Way, Harlow, CM18 7BL | 01279 268268 |
| Lakul Communications LimitedPulse Comms (Midlands) Ltd | PAF | JVF House, Loughborough, LE12 7AN | 01162964898 |
| Lambit Ltd | LVM | Hill View, Ilminster, TA19 0RR | 7917620397 |
| Lamont ConsultantsLamont Consultants Ltd | GLQ | Unit 3a Westpoint, London, W3 0RG | 020 7501 6580 |
| Lan Support LimitedLAN Support Limited | HWD | Stonebridge House, Surrey, GU7 1NJ | 01483 413 360 |
| Lancashire County Council | PLD | Lancashire County Council, Preston, PR1 8XJ | 0300 123 6701 |
| Lancaster University Network Services Ltd (LUNS Ltd)Lancaster University Network Services Ltd | ECT | Lancaster University Network Services Ltd (LUNS Ltd), Lancaster, Lancashire, LA1 4WA | 08450 505550 |
| Lancing Internettimclarke | KGQ | 68 Crown Road, Shoreham-by-Sea, BN436GE | 7803197954 |
| Landall Services LtdLANDALL SERVICES LIMITED | PSQ | Unit 3 Bradmere House,, Leatherhead, KT22 7NA | 02080501908 |
| Landlord BroadbandLandlord Broadband & Wireless Technologies Ltd | HJF | The Catalyst, York, YO10 5GA | 0333 577 0600 |
| Landlord BroadbandArmada Telecom Limited | GTK | First Floor, Stockton-on-Tees, TS17 6PT | 0844 745 1111 |
| Landmark TechnologiesLandmark Technologies (UK) Limited | KEH | 4 Lombard St, London, EC3V 9HD | 2079777707 |
| Langley Business SystemsLANGLEY BUSINESS SYSTEMS (RETAIL) LIMITED | RCY | Langley House Brandon Way, West Bromwich, B70 8JN | 01215255566 |
| Langley Compass GroupXPONET LIMITED | QYK | Langley House, West Bromwich, B70 8JN | 01215255566 |
| Lanix Uk LtdLanix UK Ltd | HYS | 6 The Metro Centre, Middlesex, TW7 6NJ | 020 8232 8008 |
| Lanmark Technical Services Ltd | HAN | Warnford Court, London, EC2N 2AT | 020 7947 9656 |
| Lanonyx Telecom LtdLanonyx Telecom Limited | IEN | Office 8, Manchester, M1 1AN | 3330020000 |
| Lansafe LtdLansafe Limited | ENT | East Quarry, Wigan, WN6 9AE | 01257 758222 |
| Lansalot LtdLANSALOT LIMITED | NIP | Securehold Business Centre, Redditch, B98 7LG | 01527908316 |
| Lansdowne Telecom Limited | CIC | 3, Bowood Close, Calne, SN11 9QZ | 0845 241 1166 |
| Lantec Services LtdLANtec Services Ltd | CQG | 381 Carlton Hill, Nottingham, NG4 1HW | 0844 844 0660 |
| Lantec SystemsLantec Systems Limited | HSB | 4 The Studios, Lancashire, BL1 4JU | 01204 467 440 |
| LanwayChess ICT Burnley Limited | GZM | Bridgewater Close, Hapton, BB11 5TE | 01282 418 888 |
| Larch Computer ServicesCloud and More Limited | JKP | Unit 3 Compton Place Business Centre, Camberley, GU15 3DX | 8452609040 |
| Lascom Solutions Ltd | HZB | North Wing, Whitchurch, SY13 4HH | 8444127009 |
| LastnetLastnet Limited | LGE | Enterprise Zone, Sheffield, S1 4AE | 0114 3210300 |
| Launceston College broadbandLaunceston College | ICD | Hurdon Road, Cornwall, PL15 9JR | 01566 772 468 |
| Laurel Consultancy Services LtdLCS IT Solutions Ltd | HVW | 20 Main Road, Lincolnshire, LN4 1AT | 01522 718 396 |
| Lawyers OnlineLawyers Online (UK) Ltd | CXC | Hereford House, Herefordshire, HR1 2LL | 0845 388 6791 |
| Layer 4 LimitedLAYER 4 LIMITED | RBF | 71-75 Shelton Street, London, WC2H 9JQ | 03302368970 |
| Layer3 Data Services Ltd | IVZ | Vicar Lane, Sheffield, S1 2EX | 1142238332 |
| LayopayLAYOPAY LIMITED | QSZ | Fulford House, Leamington Spa, CV32 4EA | 07501470031 |
| LeadTec Ltd | LGS | Eventus, Peterborough, PE6 0HL | 1733600700 |
| LeafLeaf Consultancy Limited | GEH | 17a Weavers Court, Belfast, BT12 5GH | 028 9089 7650 |
| Leap ITLEAP IT LIMITED | QWC | 2401 STRATFORD ROAD, Solihull, B94 6NW | 01212965545 |
| Learn Academies TrustLEARN ACADEMIES TRUST | RPU | School Lane, Leicestershire, LE16 9TW | 01858260028 |
| Leegomery ComputersBeon Core Ltd | KUK | SB210, Telford Innovation Campus, Telford, TF2 9NT | 1952257554 |
| Legacy Telecom LimitedLEGACY TELECOM LIMITED | QMA | Unit C5(4) Centre Court, Leigh, WN7 3QA | 01942686260 |
| Legend CommunicationsLegend Communications Limited | PVL | 173 Sunbridge Road, Bradford, BD1 2HB | 03333 44 60 18 |
| Legend Communications Limited | BBE | — | — |
| Legendary InternetLegendary Internet LTD | MYF | Granville Hall, Granville Road,, Leicester, LE17RU | 7894053027 |
| Leicester Computer ServicesDylan Powdrill | QLJ | The Factory, Stoney Stanton, LE9 4LA | 01455856517 |
| Leigh House Facilities ManagementLEIGH HOUSE FACILITIES MANAGEMENT LIMITED | RIZ | Leigh House, Leeds, LS28 6AN | 01132557979 |
| Leisure Connect BroadbandPulse Broadband Limited | SJT | 291 Springhill Parkway, Glasgow, G69 6GA | 01414688333 |
| Leisure Connect LimitedLEISURE CONNECT LIMITED | PWV | 291 Springhill Parkway, Glasgow, G69 6GA | 01414688333 |
| Leisure Park Internet SolutionsLeisure Park Internet Solutions LTD | KVC | 5 Greengate, Harrogate, HG3 1GY | 01423 295001 |
| Lemon ComputingLemon Computing Ltd | DXA | Unit 9, London, SW14 8TA | 020 8878 2138 |
| Let's TalkMJG CONSULTATIVE LTD | RUK | 1 South Lonsdale Street, Manchester, M32 0JE | 01614701440 |
| Leversedge TelecomsLeversedge Telecom Services Limited | PYD | 23 Slater Street, Leicester, LE3 5AS | 07974128768 |
| Leverstock LtdLeverstock Limited | JND | 17 Avebury Court, Hertfordshire, HP27TA | 1442800800 |
| Levi TelecomsLot Supplies Ltd | JPS | 203 Timberlog Lane, Basildon, SS14 1PB | 0845 504 8778 |
| Leyline TechnologyLEY LINE TECHNOLOGY LTD | RAL | 128 City Road, London, EC1V 2NX | 02033752720 |
| Liberty Solutions (Swansea) Ltd | DRT | 11 Pyle Road, Swansea, SA3 3HH | 03303 337300 |
| Liberty-izone LtdLIBERTY-IZONE LIMITED | DRL | Leytonstone House, London, E11 1GA | 0870 243 0465 |
| LifeStyleIT LimitedLifestyleIT Limited | DHW | 106 High Street, Middlesex, HA1 3LP | 020 8423 2244 |
| Lifeline Communication Services Ltd | LNN | The Innovation Centre,, Ebbw Vale, NP238XA | 8458692183 |
| Lift Off IT Services LtdLIFT OFF IT SERVICES LTD | RXF | 151 Stanley Road, Liverpool, L20 3DL | 01514402302 |
| Lightning Fibre LtdLightning Fibre Limited | NJK | Suite 24, Eastbourne, BN21 3XQ | 01323380260 |
| LilaConnectLilaConnect Limited | RWE | IC2 Building, Newcastle-Under-Lyme, ST5 5NH | 0800 955 6670 |
| Lily Communications LtdLily Communications Limited | EJK | Unit 3, Bradford, BD4 9SN | 0843 507 1111 |
| Lily Systems Limited | DVY | Bedders Lodge, Leicestershire, LE16 7HA | 01858 450441 |
| Lima Communications LtdLIMA COMMUNICATIONS LTD | RLC | 3 Cavell Way, Crawley, RH10 7GD | 01737944161 |
| Limbtec Limited | HKC | 77 Erlstoke Close, Plymouth, PL6 5QN | 01752 546 967 |
| Lime BroadbandLime Services Group Ltd | RGA | Featherstone House, Rochester, ME11DA | 01634 949450 |
| LimedataEasy IT Ltd | MJZ | Dial Barn, Great Bentley, CO7 8RN | 01206 804758 |
| LimitlessLIMITLESS DISPLAY TECHNOLOGIES LTD | GKY | 6 The Courtyard, Leeds, LS20 8LG | — |
| Limpio TelecomLimpio Office Solutions Limited | KHK | 5 East Park, Crawley, RH10 6AN | 8452412007 |
| Linc TelecomLINC TELECOM LIMITED | NZH | 7 Merevale, Cardiff, CF64 4HS | 02920098000 |
| LinctelLinctel Ltd | BBC | 12 Hillsway Cres, Notts, NG18 5DS | 0845 331 3200 |
| Line Uk Internet LtdLine UK Internet Ltd | HFK | Unit 33, London, W4 4PH | 03300 882 884 |
| LineCallPlus ServiceTotal Web Solutions Ltd | FGN | Total Web Solutions Limited, Stockport, Cheshire, SK4 3GN | 0844 856 0681 |
| Lineal Software Solutions Ltd | IDX | Unit 7 Riverside Court, Devon, EX31 1DR | 01271 375 999 |
| Lines LtdKeysystems EC2 Ltd | EKU | 7 Cuckoo Hill Road, Middlesex, HA5 1AS | 020 8866 5698 |
| Link Broadband | LNK | 3a Prestige House, North Shields, NE296QU | 7984942899 |
| Link BroadbandsLink Network Installation Ltd | QUI | 128 City Road, London, EC1V 2NX | 07445415252 |
| Link Network SolutionsLINK NETWORK SOLUTIONS LTD | SLV | Compton House, Wellingborough, NN9 5NY | 01604422760 |
| Linked Comms LtdThe Linked Group Limited | MGN | 85 Great Portland Street, London, W1W 7LT | 01273 256956 |
| LinkedUp Communications Ltd | LBX | Hill Quays, Manchester, M15 4PZ | 1613272969 |
| Linkit CommunicationsLINKIT COMMUNICATIONS LTD | RBM | Chandos Business Centre, Leamington Spa, CV32 4RJ | 01926911261 |
| LinkorgVoipLinkorg Networks Ltd | MQG | 2 kings road, Chalfont St Giles, HP8 4HU | 2033998399 |
| Linkup Comms & Data Ltd | MVJ | Churchgate House, Bolton, BL1 2RF | 1204528756 |
| Linkup Telecoms & IT LtdLINKUP TELECOMS & IT LTD | PJA | 32-26 Chorley new road, bolton, BL1 1HL | 01204528756 |
| Linten Technologies Ltd | HHQ | 792 Wilmslow Road, Manchester, M20 6UG | 0800 612 7125 |
| Lion House (UK) Ltd | DKG | 1 The Granary, Dartford, DA4 9BN | 01322 868606 |
| LiongateLiongate electronics ltd | LCB | 27 Trevelyan Crescent, Middlesex, HA30RN | 2083571468 |
| Liquid SofwareLIQUID SOFTWARE SOLUTIONS LTD | SFX | 25 Whitchurch Lane, Solihull, B90 1PB | 01564779090 |
| Liquid TelecomLiquid Telecommunications Limited | BVU | 1 Kingsway, London, WC2B 6XF | 0845 241 4252 |
| Liquid VoiceLiquid Voice Limited | FIM | Matrix House, Leeds, LS10 1NZ | 0113 200 2020 |
| Lister CommunicationsLister Communications Limited | BFQ | Brunel Way, Stonehouse, Gloucester, GL10 3SX | — |
| Lister Communications Limited | ITN | Brunel Way, Stonehouse, GL10 3SX | — |
| Lister comms LtdLogic Comms Limited | GIT | Sandwell Industrial Estate, Smethwick, B66 1QJ | 0121 553 2411 |
| Lit Fibre GroupLIT FIBRE GROUP LTD | QPX | Spaces, Reading, RG1 1NU | 07828335589 |
| LiteFox LimitedLITEFOX LIMITED | QMB | Pearl House, Oldham, OL9 6AY, | 0161 8833 860 |
| Litenet LtdLITENET LTD | NFX | 19, Aylesbury, HP22 4JL | 07967577427 |
| Lithium SystemsLithium Systems Limited | JAR | Carsebridge House, Alloa, FK10 3LQ | 01259 727847 |
| Little Big TechLITTLE BIG TECH LTD | RTW | Unit 6 First Floor Boleyn Suites, Edenbridge, TN8 7NP | 07525025167 |
| Little Big Tech Voice and DataLITTLE BIG TECH VOICE AND DATA LTD | QVM | 2 Station Road West, Oxted, RH8 9EP | 07980446784 |
| LittlefishLITTLE FISH (UK) LIMITED | RXE | Price House, Nottingham, NG1 1LS | 01159415111 |
| Littlewood Communications LimitedLITTLEWOOD COMMUNICATIONS LIMITED | SHU | 26 Leeside Road, Heckmondwike, WF16 9PE | 02045874171 |
| LiugoLIUGO LTD | PBY | Liugo Ltd, Peterborough, PE3 7PS | 07756629251 |
| Live Telecom LtdLIVE TELECOM LIMITED | PZK | 31 Kenton Park Crescent, Harrow, HA3 8TZ | 07894216321 |
| Livewire Digital Ltd | JKG | Units 1 & 2 The Axis Centre, Leatherhead, KT22 7RD | 01372 386100 |
| Livvys Consultants Limited | EMZ | Matrix House, Hampshire, RG21 4DZ | 0333 240 4000 |
| LizardStudio LtdLizardstudio Ltd | LZM | Weston, Crowborough, TN6 2NX | 01892 801509 |
| Llewellyn Technical Services | HUG | Unit 52 Staughton Airfield Ind Est, Bedfordshire, MK44 2BN | 01234 376 848 |
| Lloyd Bunday InternetLloyd Bunday Consultants | HXW | 14St Cecilias Close, Northants, NN15 5HX | 01536 523842 |
| Lloyd Technology LtdLLOYD TECHNOLOGY LTD | JYQ | 20 Miller Street, Dumbarton, G82 2JA | 0333 311 1002 |
| Lloyds Business CommunicationsLloyds Business Communications Limited | EGX | 109 Mere Grange, St Helens, WA9 5GG | 0844 855 0400 |
| Lloyds Business NetworksLloyds Business Networks Ltd | DRQ | 109 Mere Grange, St Helens, WA9 5GG | 0844 855 0400 |
| Loboc CommunicationsLaboc Communications Ltd | MTX | Clarion Lodge, Leeds, LS29 6BG | 7507068191 |
| Local Expert Services Ltd | FJS | Unit 10b, Brentwood, CM13 3LH | 01708 203 040 |
| Local SoftwareLOCAL SOFTWARE LIMITED | PVK | 121 Albert Street, FLEET, GU51 3SR | 01252721053 |
| Local Voice and Data LtdLocal Voice and Data LTD | MLQ | 2 Magnolia Way, Norwich, NR8 5EH | 1603855122 |
| Locall.NetLocallNet Ltd | HEK | Piercefield Road, Liverpool, L37 7DG | 0845 688 2999 |
| Lochnet | KPG | 2 Woodgrove Drive, Inverness, IV2 5HP | 1463630110 |
| Lodge Information Services LtdLodge Information Services Limited | GHG | 2a Gate Street, Essex, CM9 5QF | 01621 878 600 |
| Logi-CallProfessional Software Design Ltd | FLE | 2-3 Fairmile Parade, Dorset, BH23 2LP | 0845 8621061 |
| Logic CommunicationsLogic Business Systems Limited | MPL | Logic House, CARLISLE, CA1 2UT | 1228527676 |
| Logic ICTD HOLTBY CONSULTING LIMITED | SBR | 6 Shaftesbury Drove, Salisbury, SP2 8QH | 07951988766 |
| Logical CommsLOGICAL HEATING LIMITED | SCG | Bristol Office Office, Bristol, BS3 2LG | 02392395819 |
| Logical Focus Ltd T/A Logical Telecom | BFT | — | — |
| Logical Microsystems | HTR | 538 Great Horton Road, West Yorkshire, BD7 3HG | 01274 522131 |
| Logical Telecom SolutionsLOGICAL TELECOM SOLUTIONS LTD | RTQ | 4 Walker Road, Inverness, IV1 1TD | 01463224600 |
| LogicalisLogicalis UK Limited | ENQ | 110 Buckingham Avenue, Berks, SJ1 4PF | 01753 777 200 |
| Logicomm IT SupportLOGICOMM IT SUPPORT LIMITED | QCA | Unit 23 Maybrook Industrial Estate, Walsall, WS8 7DG | 01543 456410 |
| Logicomms Ltd | MNH | Office 1/2, Cumbernauld, G67 2RT | 3452411305 |
| Logixal Document Solutions LimitedLogixal Document Solutions Ltd | KKR | 17a Micawber Street, London, N1 7TB | 2070140100 |
| LohoLoho Ltd | HXV | 141 Kings Hedges Road, Cambridge, CB4 2PL | 01223 750 165 |
| Lomond ITLOMOND IT LTD | RYX | 71-75 Shelton Street, London, WC2H 9JQ | 01412800356 |
| London Facilities Ltd | BQD | — | — |
| London Gateway NetworksLondon Gateway Networks Limited | FLC | Junction Lodge, Essex, RM18 7EH | 01375 363263 |
| London ICTLONDON ICT SERVICES LTD | SJR | 19 Warrington Road, Newcastle Upon Tyne, NE3 2PU | 03301201515 |
| London TelephonesLondon Telephones NS Ltd | IKP | 37 Stanmore Hill, Stanmore, HA7 3DS | 2071481120 |
| Longfield Hospice | LDX | Burleigh Lane, Stroud, GL5 2PQ | 1453886868 |
| Longstone ITJim McCarthy | JRW | Unit 1G, South Hams Business Park, Kingsbridge, TQ7 3QH | 1548312888 |
| LoopThe One Point (West Yorkshire) Limited | MXN | Network House, Cleckheaton, BD19 4TT | 7827817027 |
| Loop Voice & DataWireless Telecommunications Limited | CFB | 845 The Crescent, Essex, CO4 9YQ | 01206 848 090 |
| Lothian Broadband Networks LimitedHighland Broadband Networks Limited | QWG | 16, Edinburgh, EH2 4JB | 03302369900 |
| Lotus TelecomUK Wholesale Direct Limited | EFT | 4th Floor, Stockport, SK1 2BU | 0161 660 0986 |
| LotusITLOTUS IT LTD | SGI | 41 Send Barns Lane, Surrey, GU23 7BS | 07766 000 654 |
| Loud Mouth PhonesLOUD MOUTH PHONES LIMITED | KZH | Unit 3, Shires House, Shrewsbury, SY1 3TE | 1743291731 |
| Louis and Pal Tech ServicesLPIWUK Ltd | NSH | International House, London, E16 2DQ | 07538676739 |
| LouiscommLOUISCOMM NETWORKS LIMITED | NFG | 49 Gildredge Road, eastbourne, bn21 4ry | 01323411200 |
| LowerCallScott IT Ltd | CKH | Sycamore House, BRISTOL, BS8 2BG | 0800 279 1993 |
| Lucid Computer Solutions Ltd | KHL | Office 1&2 Midland Glass Works, Worcs, B97 5AA | 1527908646 |
| Lucid IT Solutions Ltd | JCV | Suite 4 The Willows, Mansfield, NG21 0HU | 0333 3208041 |
| Lucid NetworksWedo Digital Technologies Limited | IVE | Greenheys Building, Manchester, M15 6JJ | 0800 862 0059 |
| Lucid SystemsLucid Systems Ltd | IBZ | Felaw Maltings, Ipswich, IP2 8SJ | 0845 452 0000 |
| LugoLugo Limited | HDS | 422 Baltic Chambers, Glasgow, G2 GHJ | 0141 285 0900 |
| Luke Masters LtdLUKE MASTERS LTD | RXN | The Coach House, Shipbourne, TN11 9RH | 07960933413 |
| Luma Communications Ltd | QYJ | 12 Roedeer Drive, MOTHERWELL, ML1 1AL | 07816934186 |
| Luma-ITLUMA-IT 2018 LIMITED | QEV | 5 Redwood Place, East Kilbride, G74 5PB | 0141 611 5085 |
| Lumen IT Solutions LimitedLUMEN IT SOLUTIONS LIMITED | RJG | Gemini House, Swindon, SN25 5AZ | 03333 355 057 |
| LumicLumic Ltd | HTJ | 24 Peters Road, Essex, RM16 4LA | 020 3301 3800 |
| Lumina Technologies LtdLumina Technologies Limited | GYK | 1 Marchmont Gate, Hemel Hempstead, HP2 7BE | 01442 500 890 |
| Luminate Wholesale LtdAccess4 Ltd | RSF | 128 City Road, London, EC1V 2NX | 03331887878 |
| LuminetLUMINET SOLUTIONS LTD | KXU | 2 Angel Square, London, EC1V 1NY | 0207 400 6300 |
| Luminite IT Services Ltd | HZP | Lymedale Business Centre, Staffordshire, ST5 9QF | 01782 454 128 |
| Lumison LimitedEdinburgh Network Technologies Ltd | FDI | 12 Dock Place, Edinburgh, EH6 6LU | 0845 119 9970 |
| Lyca Home Limited | GMM | Lyca Home Limited, London, E14 9SG | 020 7536 6450 ext 6354 |
| LylacomLylacom Limited | MTQ | 15 Cowper Crescent, Colchester, CO4 5XT | 2036336099 |
| LynklineOCU Opals Limited | IIF | 10 Tesla Court, Peterborough, PE26FL | 1733305451 |
| LyonsdownLyonsdown Limited | CWF | 10 A Millway, London, NW7 3RE | 020 8906 9011 |
| LytiiIVX GROUP LIMITED | RXS | Suite 4025, London, E6 2JA | 03301221445 |
| labdesk ltdLABDESK LTD | RVA | 71-75 Shelton Street, London, WC2H 9JQ | 01925257967 |
| lineUP Networks Limited | LJU | Unit 6, Salford, M7 1AY | 1618060806 |
| love broad bandLOVE BROADBAND LIMITED | QHK | Unit D and E, Coventry, CV7 9EN | 07502418382 |
| lucidLUCID SERVICES LTD | QFW | 212 rempstone road, Wimborne, bh21 1sy | 08082753014 |
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.