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ISP & Telecom Directory · United Kingdom

United Kingdom Telecom & ISP Providers Starting With O

Registered contact details for the 202 communications providers with an Ofcom RID code whose name begins with the letter O, from the Ofcom register as of 10 September 2026. There is no designated agent for legal process in this data; address requests to the provider's registered office (verify against Companies House) or its published law-enforcement single point of contact. Verify against the live register before serving legal process.

Showing 1–60 of 202 entries

Ontel Ltd

Ofcom RID holder

Also known as: Trevor Crossland Communications Ltd

Phone
08708702777
Address
D105 Dean Clough, Halifax, W Yorkshire, HX3 5AX
Regulator reference
RID BCU (allocated 04/05/2006)

Onecom Partners Limited

Ofcom RID holder

Also known as: 9 Group Partners (A), 9 Group Partners (B), 9 Group Partners (Channel), 9 Group Partners (Club), 9 Group Partners (Nine Tel W), 9 Group Partners (Nine Tel Wholesale)

Phone
08000685939
Address
9 Group The Hub Unit 900, Sperry Way, Stonehouse Business Park, Stonehouse, GL10 3UT
Regulator reference
RID DGH, EAX, EKC, LLL, MUD, BCW (allocated 24/09/2021)

Octopus Energy Operations 2 Limited

Ofcom RID holder

Also known as: Shell Energy Broadband (POL)

Phone
03300945801
Address
Shell Energy House, Westwood Business Park, Westwood Way, Coventry, CV4 8HS
Regulator reference
RID BRY, BWJ, CBJ (allocated 02/07/2021)

Optimity Limited

Ofcom RID holder
Regulator reference
RID BSJ (allocated 12/02/2003)

OPUS BUSINESS SYSTEMS LIMITED

Ofcom RID holder

Also known as: Opus Tech, Opus Technology

Phone
02085458200
Address
1st Floor London Court, 39 London Road, Reigate, Surrey, RH2 9AQ
Regulator reference
RID BZT, CRM, EPZ (allocated 30/06/2023)

One Point Telecom Limited

Ofcom RID holder

Also known as: One Point Telecom

Phone
08704424343
Address
One Point Telecom, 9 Sundial Court, Tolworth Rise, Tolworth, Surrey, KT5 5RN
Regulator reference
RID CCC (allocated 02/03/2005)

Onecom Limited

Ofcom RID holder

Also known as: Onecom Limited (Bridge Solutions), Onecom Limited (Cablestream Ltd), Onecom Limited (Dalys Systems Limited), Onecom Limited (Evolve), Onecom Limited (IMS Technology), Onecom Limited (Nice Network Limited), Onecom Limited (Olive Business Solutions Limited), Onecom Limited (Solution IP Communications Limited), Onecom Limited (Voice Over IP Ltd), Onecom Limited (Wish Solutions (GB) Limited)

Also registered as
Ofcom admin-charge payer 2026/27
Phone
03300888999
Address
4400 Parkway, Solent Business Park, Fareham, PO15 7FJ
Regulator reference
RID CHI, CQV, CYF, DIY, DWV, DYY, GCZ, EIB, GZP, DFT, FWI (allocated 01/12/2025)

Oak Innovation Limited

Ofcom RID holder

Also known as: Oak Telecom

Phone
01202607000
Address
7 Albany Park, Cabot Lane, Poole, Dorset, BH17 7BX
Regulator reference
RID CHJ (allocated 22/02/2006)

Overline Network Consultants Limited

Ofcom RID holder

Also known as: Overline Network Consultants

Phone
08708919001
Address
Unit 8, The Quoin Estate, Marlborough Road, Lancing Business Park, Lancing, West Sussex, BN15 8AD
Regulator reference
RID CJN (allocated 21/03/2006)

Ocean Data & Voice Services Ltd

Ofcom RID holder

Also known as: Ocean Data and Voice Services Ltd.

Phone
08450505656
Address
2 Ocean Quay Marina, Belvidere Road, Southampton, SO14 5QY
Regulator reference
RID CLG (allocated 24/03/2006)

Orbex Solutions Limited

Ofcom RID holder
Phone
08700411411
Address
Accurist House, 44 Baker Street, London, W1U 7AL
Regulator reference
RID CSL (allocated 24/04/2006)

Office Unlocked Limited

Ofcom RID holder

Also known as: Office Unlocked

Phone
03333209020
Address
41 Lordsmead, Cranfield, Lidlington, Beds, MK43 0HP
Regulator reference
RID DFH (allocated 11/03/2014)

Ortiga Group Services Ltd

Ofcom RID holder

Also known as: Ortiga

Phone
03335677700
Address
Fairgate House, 205 Kings Road, Birmingham, B11 2AA
Regulator reference
RID DIR (allocated 27/10/2017)

Orange Home UK Plc

Ofcom RID holder

Also known as: Orange Broadband

Phone
08700102462
Address
Orange Customer Care, PO Box 486, Rotherham, S63 5ZX
Regulator reference
RID DKI (allocated 16/04/2007)

Onega Ltd

Ofcom RID holder

Also known as: Onega

Phone
08700601310
Address
Studio H, Container City 2, Trinity Buoy Wharf, Orchard Place, Docklands, London, E14 0JY
Regulator reference
RID DNH (allocated 19/07/2007)

Outsourcevoice Ltd

Ofcom RID holder

Also known as: Outsourcevoice

Phone
01242244843
Address
Eagle Tower, Montpellier Drive, Cheltenham, Gloucestershire, GL50 1TA
Regulator reference
RID DTS (allocated 26/02/2008)

Orbtalk Limited

Ofcom RID holder

Also known as: Orbtalk

Phone
08458688557
Address
Unit 4, Hove Technology Centre, Hove, BN3 7ES
Regulator reference
RID DUA (allocated 13/03/2008)

Ocean Voice and Data Ltd

Ofcom RID holder
Phone
08702202768
Address
6 The Matlings, Hoe Lane, Ware, Hertforshire, SG12 9LR
Regulator reference
RID DYH (allocated 12/09/2008)

On Air Telecom Ltd

Ofcom RID holder
Phone
01619060845
Address
Westpoint, 501 Chester Road, Manchester, M16 9HU
Regulator reference
RID DYM (allocated 23/09/2008)

Onestop ITS Limited

Ofcom RID holder

Also known as: Onestop IT Solutions

Phone
01315100100
Address
32/6 Hardengreen Industial Estate, Dalhousie Road, Eskbank, Midlothian, EH22 3NX
Regulator reference
RID DYP (allocated 25/09/2008)

Octagon Communications Ltd

Ofcom RID holder
Phone
08456787878
Address
Octagon House, 2 Astley Court, Lockett Road, Ashton-in-Makerfield, WN4 8DE
Regulator reference
RID DZK (allocated 13/10/2008)

OERS Limited

Ofcom RID holder

Also known as: Gatley Communications

Phone
01614360625
Address
32 Birchdale Avenue, Heald Green, Cheadle, Stockport, SK8 3ST
Regulator reference
RID EAU (allocated 27/11/2008)

Open Telecom Limited

Ofcom RID holder
Phone
02033883030
Address
Siddeley House, 50 Canbury Park Road, Kingston Upon Thames, Surrey, KT2 6LX
Regulator reference
RID EDH (allocated 13/07/2011)

Oosha Ltd

Ofcom RID holder
Phone
01902702233
Address
Suite 2, The Chubb Buildings, Fryer Street, Wolverhampton, WV1 1HT
Regulator reference
RID EDI (allocated 20/03/2009)

Otra Dia Ltd

Ofcom RID holder

Also known as: Otra Dia

Phone
08000336444
Address
2nd Floor, 145-157 St John Street, London, EC1V 4PY
Regulator reference
RID EIQ (allocated 15/09/2009)

Oasis Communication Services Limited

Ofcom RID holder

Also known as: Get Connected

Phone
02920615588
Address
27 Nevill Street, Abergavenny, NP7 5AA
Regulator reference
RID EIV (allocated 24/09/2009)

One Source Communications Ltd

Ofcom RID holder
Phone
08451271421
Address
16 Commerce Road, Peterborough, PE2 6LR
Regulator reference
RID EKJ (allocated 10/11/2009)

On-Communications Limited

Ofcom RID holder
Phone
08704296745
Address
The Quadrant, 99 Parkway Avenue, Sheffield, S9 4WG
Regulator reference
RID ELZ (allocated 18/01/2010)

One2call Limted

Ofcom RID holder

Also known as: One2call Ltd

Phone
08009555866
Address
Unit 16, Longacre Close, Halfway, Sheffield, S20 3FR
Regulator reference
RID ERU (allocated 30/06/2010)

Orchard ICT Ltd

Ofcom RID holder

Also known as: Orchard

Phone
01380848294
Address
Barham House, Wedhampton, Wiltshire, SN10 3PZ
Regulator reference
RID ETF (allocated 20/08/2010)

OutsourceOperations Ltd

Ofcom RID holder
Phone
01242244843
Address
Eagle Tower, Montpellier Drive, Cheltenham, GL50 1TA
Regulator reference
RID EVZ (allocated 04/11/2010)

OryxAlign Limited

Ofcom RID holder
Phone
02076087890
Address
The Shepherds Building, Rockley Road, London, W14 0DA
Regulator reference
RID EXJ (allocated 29/11/2010)

Octopus Telecom Limited

Ofcom RID holder

Also known as: Octopus Telecom Ltd

Phone
08000283166
Address
8 Lombard Road, Wimbledon, London, SW19 3TZ
Regulator reference
RID EYH (allocated 08/09/2014)

One Big Solution

Ofcom RID holder
Phone
08454132600
Address
3 Onslow Avenue, Sutton, SM2 7ED
Regulator reference
RID EYK (allocated 06/01/2011)

Ocean Telecom UK Ltd

Ofcom RID holder
Phone
01691661177
Address
Unit 1, Glovers Meadow, Oswestry, Shropshire, SY10 8NH
Regulator reference
RID EYW (allocated 20/01/2011)

Optimised IT Limited

Ofcom RID holder

Also known as: Optimised IT

Phone
01565722280
Address
5 Foxcovert Lane, Lower Peover, Knutsford, Cheshire, WA16 9QP
Regulator reference
RID FDC (allocated 01/04/2011)

Outsourced Telecom Limited

Ofcom RID holder
Phone
08454082283
Address
4 Falcon Way, Shire Park, Welwyn Garden City, Herts, AL7 1TW
Regulator reference
RID FHC (allocated 12/07/2011)

Onyx Group Limited

Ofcom RID holder
Phone
01642216200
Address
9 Cheltenham Road, Portrack Interchange Business Park, Stockton on Tees, TS18 2AD
Regulator reference
RID FKZ (allocated 26/10/2011)

Onwave UK Limited

Ofcom RID holder

Also known as: Hybrid Broadband

Phone
08454135999
Address
The Oasts, Charmans Farm, Beggars Lane, Westerham, Kent, TN16 1QP
Regulator reference
RID FME, FMF (allocated 12/12/2011)

OGI NETWORKS LIMITED

Ofcom RID holder

Also known as: Net Support UK Ltd

Also registered as
Code powers operator
Phone
02920022300
Address
Riverside Court, Beaufort Park Way, Chepstow, NP16 5UH
Regulator reference
RID FMI (allocated 22/05/2014)

Open Network Services Limited

Ofcom RID holder

Also known as: Open Network Services Ltd (ONS)

Phone
08452253389
Address
Windsor House, Clovelly Road, Southbourne, Emsworth, Hampshire, PO10 8PF
Regulator reference
RID FSG (allocated 23/05/2012)

One (UK) Ltd

Ofcom RID holder
Phone
01202596520
Address
Unit H3A, Dawkins Road Industrial Estate, Poole, Dorset, BH15 4JY
Regulator reference
RID FUE (allocated 23/07/2012)

Oasis Technology Ltd

Ofcom RID holder
Phone
01455240140
Address
17 Ambleside Way, Nuneaton, Warwickshire, CV11 6AT
Regulator reference
RID FVN (allocated 13/09/2012)

Orbital Net Limited

Ofcom RID holder

Also known as: Orbital Net Ltd

Also registered as
Code powers operator
Phone
01233807060
Address
County House, Station Approach, Bekesbourne, Canterbury, Kent, CT4 5DT
Regulator reference
RID FZU (allocated 15/02/2013)

Oricom Ltd

Ofcom RID holder
Phone
08444154888
Address
Unit 4, 2 Cunninghame Road, Kyle Business Park, Irvine, KA12 8JJ
Regulator reference
RID GBA (allocated 19/03/2013)

Ontech Solutions Limited

Ofcom RID holder

Also known as: Ontech Solutions

Phone
08712212671
Address
4 Langford Court, Ongar Road, Kelvedon Hatch, Essex, CM15 0LB
Regulator reference
RID GCL (allocated 29/04/2013)

One Tek Business Solutions Limited

Ofcom RID holder

Also known as: One Tek

Also registered as
Code powers operator
Phone
08449934147
Address
Merdian House, Winsford, Cheshire, CW7 3QG
Regulator reference
RID GFB (allocated 21/06/2013)

Octagon Telecom Limited

Ofcom RID holder
Phone
02036518000
Address
Sterling House, Langston Road, Loughton, Essex, IG10 3TS
Regulator reference
RID GFK (allocated 10/07/2013)

Orangestripe Telecom Ltd

Ofcom RID holder

Also known as: Orange Stripe Network Services

Phone
01793700536
Address
39 Pure Offices, Kembrey Park, Swindon, SN2 8BW
Regulator reference
RID GHD (allocated 27/08/2013)

Onebyte Limited

Ofcom RID holder

Also known as: Onebyte Ltd

Phone
08450347760
Address
27 St Andrews Street, Norwich, Norfolk, NR2 4TP
Regulator reference
RID GHF (allocated 27/08/2013)

Optionbox Ltd

Ofcom RID holder
Phone
03332004680
Address
Unit 5F, Carr Mills Business Centre, 919 Bradford Road, Birstall, WF17 9JX
Regulator reference
RID GHQ (allocated 30/08/2013)

Origin Communications Limited

Ofcom RID holder

Also known as: Orgin, SSE Retail Telecoms

Phone
03450719886
Address
Soapworks, Ordsall Lane, Salford, M5 3TT
Regulator reference
RID GHZ, MRI (allocated 08/05/2025)

Orbiss Limited

Ofcom RID holder
Phone
01872561656
Address
Lowen House, Greenbottom, Truro, Cornwall, TR4 8QQ
Regulator reference
RID GIC (allocated 17/09/2013)

OpenITC

Ofcom RID holder
Phone
03333406736
Address
44 Moorhead, Newcastle upon Tyne, NE5 3AP
Regulator reference
RID GJL (allocated 21/10/2013)

One Connectivity Limited

Ofcom RID holder

Also known as: One Connectivity Ltd

Phone
01332811890
Address
10 Glover Road, Castle Donington, Derbyshire, DE74 2GL
Regulator reference
RID GKP (allocated 05/11/2013)

Open by Nature Limited

Ofcom RID holder

Also known as: OBN

Phone
03308280725
Address
112-114 High Street, Rickmansworth, Hertfordshire, WD3 1AQ
Regulator reference
RID GLE (allocated 14/11/2013)

Open Fibre Networks (Wholesale) Ltd

Ofcom RID holder

Also known as: Independent Fibre Networks

Also registered as
Code powers operator; Ofcom admin-charge payer 2026/27
Phone
08450511669
Address
Driscoll 2, Ellen Street, Cardiff, CF10 4BP
Regulator reference
RID GMV (allocated 13/12/2013)

Our IT Services Limited

Ofcom RID holder

Also known as: Thirdline

Phone
08000822420
Address
Unit 1-3 Mebourne Farm, Liddington, Swindon, SN4 0EY
Regulator reference
RID GNB (allocated 18/12/2013)

Oval Subsidary 2 Limited

Ofcom RID holder

Also known as: Grapevine Connect

Phone
01392345678
Address
Unit 2 Office A, Greendale Business Park, Woodbury Salterton, Exeter, EX5 1EW
Regulator reference
RID GNC (allocated 12/11/2018)

Opus UK Limited

Ofcom RID holder

Also known as: Opus UK Ltd

Phone
01909518811
Address
10 Clock Court, Campbell Way, Sheffield, S25 3QD
Regulator reference
RID GNV (allocated 20/01/2014)

OMSUK Ltd

Ofcom RID holder

Also known as: Oxford Mac Solutions

Phone
01865882504
Address
Macintosh House, 50 Acre End Street, Eynsham, Oxfordshire, OX29 4PD
Regulator reference
RID GXA (allocated 24/07/2014)

Oxygen MSP UK Limited

Ofcom RID holder

Also known as: Idea Data Services LTD

Phone
01684773857
Address
Basepoint Tewkesbury, Oakfield Close, Tewkesbury Business Park, Tewkesbury, GL20 8SD
Regulator reference
RID HBJ (allocated 19/08/2014)

Online Support Computing Limited

Ofcom RID holder

Also known as: Online Support Computing

Phone
02082321190
Address
67a Boston Manor Road, Brentford, TW8 9JQ
Regulator reference
RID HCG (allocated 26/08/2014)

Offsite IT Ltd

Ofcom RID holder
Phone
01621850550
Address
Unit 3, Monument offices,, Maldon Road, Woodham Mortimer, Maldon, CM9 6SN
Regulator reference
RID HHD (allocated 01/10/2014)

Optix Software Ltd

Ofcom RID holder
Phone
01904606606
Address
Poppleton House, Rose Avenue, York, YO26 6RU
Regulator reference
RID HKE (allocated 09/10/2014)

OCS-UK IT Ltd

Ofcom RID holder
Phone
08449910036
Address
9 Well Lane, Barnwell, Peterborough, PE8 5PF
Regulator reference
RID HVX (allocated 13/11/2014)

Online50 Limited

Ofcom RID holder
Phone
02075367749
Address
Unit 57,, Sklylines Village, Limeharbour, London, E14 9TS
Regulator reference
RID IBL (allocated 20/11/2014)

Orbix UK Ltd

Ofcom RID holder

Also known as: Orbix

Phone
08448750108
Address
Old Stable Yard, 123a Station Road, Hamption, TW12 2AL
Regulator reference
RID IDH (allocated 05/12/2014)

Out Of Hours ICT Ltd

Ofcom RID holder
Phone
01414330492
Address
16 Durward, East Kilbride, G74 3PB
Regulator reference
RID IGD (allocated 16/12/2014)

OCU Opals Limited

Ofcom RID holder

Also known as: Lynkline

Phone
01733305451
Address
10 Tesla Court, Innovation Way, Lynchwood, Peterborough, PE26FL
Regulator reference
RID IIF (allocated 06/01/2015)

OptaNet Ltd

Ofcom RID holder
Phone
02034753611
Address
Tower Point, 44 North Road, Brighton, BN11YR
Regulator reference
RID INT (allocated 16/02/2015)

Orion Control Systems Ltd

Ofcom RID holder

Also known as: Orion Systems

Phone
01530274455
Address
Treetops Farm, Measham Road, Oakthorpe, DE12 7RG
Regulator reference
RID IRG (allocated 05/03/2015)

OCM Communications Ltd

Ofcom RID holder

Also known as: OCM Communications Limited

Phone
01564420980
Address
Forward House, 17 High Street, Henley in Arden, B95 5AA
Regulator reference
RID ITU (allocated 19/03/2015)

One Education Limited

Ofcom RID holder

Also known as: One Education Connect

Phone
08449671113
Address
Universal Square, No 1 Devonshire Street North, Ardwick, Manchester, M12 6JH
Regulator reference
RID IVH (allocated 31/03/2015)

Octotech Ltd

Ofcom RID holder

Also known as: Freeman PC Services

Phone
01403603103
Address
30 Worthing Road, Horsham, RH12 1SL
Regulator reference
RID IXA (allocated 16/04/2015)

OEM Computer Systems Ltd

Ofcom RID holder

Also known as: Morespeed

Phone
07976724833
Address
St Helens Lodge, 3 Parsons Lane, Sharnford, LE10 3PY
Regulator reference
RID IXJ (allocated 17/04/2015)

Orange Business Holdings UK Limited

Ofcom RID holder

Also known as: Orange Business Services

Also registered as
Ofcom admin-charge payer 2026/27
Phone
+4420832148972305
Address
217 Bath Road, Slough, SL1 4AA
Regulator reference
RID IXV (allocated 22/04/2015)

Outsourced IT Limited

Ofcom RID holder
Phone
01767600604
Address
35 Tansey End, Biggleswade, sg188wl
Regulator reference
RID JHY (allocated 10/06/2015)

Orbital Networks Limited

Ofcom RID holder

Also known as: Orbital Networks

Phone
08458802634
Address
130 Cassini Drive, Swindon, SN25 2LW
Regulator reference
RID JNL (allocated 23/06/2015)

OZ Cloud Ltd

Ofcom RID holder
Phone
08450563450
Address
421 High Road, London, N12 0AP
Regulator reference
RID JPD (allocated 25/06/2015)

ontel services Ltd

Ofcom RID holder

Also known as: ontel

Phone
01494372211
Address
Unit 6, Chess Business Park, Moor Road, Chesham, HP5 1SD
Regulator reference
RID JRP (allocated 07/07/2015)

Option One Communications Ltd

Ofcom RID holder
Phone
01225744947
Address
4, Wilton Cottages, Doctors Hill, Ashley, Box, SN13 8AT
Regulator reference
RID KBM (allocated 16/09/2015)

Ontraq Limited

Ofcom RID holder

Also known as: Ontraq

Phone
01245265100
Address
74 Duke Street, Chelmsford, CM1 1JP
Regulator reference
RID KBW (allocated 18/09/2015)

Owl Technical Services Limited

Ofcom RID holder
Phone
01494627001
Address
22 Gibson Road, Booker, High Wycombe, HP12 4QW
Regulator reference
RID KHN (allocated 20/11/2015)

Octex

Ofcom RID holder
Phone
07801882835
Address
10 Horseshoe Business Park, Lye Lane, Bricket Wood, St. Albans, AL2 3TA
Regulator reference
RID KIH (allocated 01/12/2015)

Opious Ltd

Ofcom RID holder

Also known as: Opious

Phone
01234819819
Address
The Old School House, 9 Court Road, Cranfield, MK43 0DR
Regulator reference
RID KKN (allocated 11/01/2016)

Ocean Digital Ltd

Ofcom RID holder
Phone
01202788496
Address
Clifton House, 10 Poole Hill, Bournemouth, BH2 5PS
Regulator reference
RID KNX (allocated 15/02/2016)

Our IT Department Ltd

Ofcom RID holder

Also known as: Our IT Department

Phone
02037808896
Address
128 - 132 Station Road, Chingford, London, E4 6AB
Regulator reference
RID KTR (allocated 13/04/2016)

OfficeAnyplace Ltd

Ofcom RID holder

Also known as: OfficeAnyplace Limited

Phone
02082537253
Address
42 Tamworth Road, Croydon, CR0 1XU
Regulator reference
RID KUA (allocated 19/04/2016)

Office Pro Telecoms

Ofcom RID holder
Phone
07548884070
Address
139 Rooley Lane, Bradford, BD5 8JH
Regulator reference
RID KUF (allocated 21/04/2016)

OX365 Ltd

Ofcom RID holder

Also known as: OX365

Phone
03304455365
Address
1 Oxford Road, Garsington, Oxford, OX44 9DA
Regulator reference
RID KVS (allocated 09/05/2016)

octavian it ltd

Ofcom RID holder

Also known as: Octavian IT

Phone
01157788409
Address
175 Huntingdon Street, Nottingham, NG1 3NL
Regulator reference
RID KWP (allocated 17/05/2016)

ONEX Solutions LTD

Ofcom RID holder
Phone
02030111445
Address
Radford Business Centre, Radford Cres, Billericay, CM12 0DP
Regulator reference
RID KXN (allocated 31/05/2016)

Oakhill Voice Solutions Limited

Ofcom RID holder

Also known as: Oakhill Voice Solutions Ltd

Phone
01908889490
Address
AU30, The Innovation Centre, Bletchley Park, Milton Keynes, MK3 6EB
Regulator reference
RID KYE (allocated 10/06/2016)

OllyCom

Ofcom RID holder
Phone
07486914391
Address
30 Cuerdale Sreet, Burnley, BB102EP
Regulator reference
RID KYP (allocated 16/06/2016)

Omniscot Limited

Ofcom RID holder

Also known as: Omniscott

Phone
01463896777
Address
1 Cromwell Road, Inverness, IV1 1SX
Regulator reference
RID KYY (allocated 21/06/2016)

Obsidian Networks Ltd

Ofcom RID holder
Phone
01244569928
Address
Chantry Court, Chester, CH1 4QN
Regulator reference
RID KZW (allocated 12/07/2016)

Outersight (UK) Ltd

Ofcom RID holder

Also known as: Outersight

Phone
01752220860
Address
Unit 28, Mary Seacole Road, The Millfields, Plymouth, PL1 3JY
Regulator reference
RID LAM (allocated 22/07/2016)

Oakford Internet Services Ltd

Ofcom RID holder

Also known as: Oakford Internet Services (OIS)

Phone
03302230230
Address
9-10, Prince Maurice Court, Devizes, SN10 2RT
Regulator reference
RID LAX (allocated 28/07/2016)

optimus networks LTD

Ofcom RID holder

Also known as: Optimus Networks

Phone
01618505065
Address
19 Vernon Close, Manchester, SK8 6AN
Regulator reference
RID LDF (allocated 09/09/2016)

Onestream Ltd

Ofcom RID holder

Also known as: Onestream

Phone
01489587200
Address
Onecom House, Fareham, PO15 7FJ
Regulator reference
RID LFR (allocated 19/10/2016)

Optinet U.K. Limited

Ofcom RID holder

Also known as: Optinet

Phone
07825432757
Address
Monometer House, Rectory Grove, Leigh on Sea, Essex, SS9 2HL
Regulator reference
RID LHV (allocated 22/11/2016)

One36 Computing Ltd

Ofcom RID holder
Phone
01314667748
Address
136 Comiston Road, Edinburgh, EH10 5QN
Regulator reference
RID LJE (allocated 19/12/2016)

Onbrand Group Limited

Ofcom RID holder

Also known as: OnBrand Group Ltd

Phone
02089319300
Address
29-45 High Street, 4th Floor Middlesex House, Edgware, HA8 7UU
Regulator reference
RID LJX (allocated 10/01/2017)

Onfinity Limited

Ofcom RID holder

Also known as: Moore Stephens IT Solutions

Phone
01225486100
Address
30 Gay Street, Bath, BA1 2PA
Regulator reference
RID LKG (allocated 16/01/2017)

Outsource Online LLP

Ofcom RID holder

Also known as: Outsource Telecom

Phone
02894485112
Address
3 Plasketts Close, Antrim, BT41 4LY
Regulator reference
RID LME (allocated 09/02/2017)

OneCloud Networks Limited

Ofcom RID holder

Also known as: OneCloud Networks Ltd

Phone
02039098601
Address
302B, Regus, Regal House, 70 London Road, Twickenham, London, TW1 3QS
Regulator reference
RID LPH (allocated 20/03/2017)

Octopus 365 Ltd

Ofcom RID holder

Also known as: Care Software

Phone
01792685568
Address
TechHub, 221 High Street, Swansea, SA1 1NW
Regulator reference
RID LPM (allocated 27/03/2017)

One Stop Computers (STOKE) LTD

Ofcom RID holder

Also known as: One Stop Computers

Phone
01782847208
Address
173-175, London Road, Stoke on Trent, ST4 5RW
Regulator reference
RID LQW (allocated 18/04/2017)

Onemsp Limited

Ofcom RID holder

Also known as: 5iB Limited

Phone
03335771555
Address
1 Church Street, Stourbridge, DY8 1LT
Regulator reference
RID LRB (allocated 25/04/2017)

Onsim Ltd

Ofcom RID holder

Also known as: Deskphone

Phone
02034342068
Address
207-209, Southwark Bridge Road, London, SE1 0DN
Regulator reference
RID LUV (allocated 21/06/2017)

Orchard Business Energy Limited

Ofcom RID holder

Also known as: Orchard Telecom

Phone
02083321019
Address
37 Kew Road, Richmond, TW9 2NQ
Regulator reference
RID LVN (allocated 04/07/2017)

Opal IT Limited

Ofcom RID holder

Also known as: Opal IT Ltd

Phone
03302233011
Address
Media Exchange One, Coquet Street, Newcastle upon Tyne, NE1 2QB
Regulator reference
RID LWC (allocated 18/07/2017)

Orchard House Computers Limited

Ofcom RID holder

Also known as: Orchard House Computers

Phone
01986891000
Address
Wood Farm Barn, The Street, Flixton, NR35 1NZ
Regulator reference
RID LYJ (allocated 22/08/2017)

Oblivion Media

Ofcom RID holder
Phone
01797208037
Address
184 Well Hall Road, London, SE9 6SR
Regulator reference
RID MAC (allocated 22/09/2017)

OPTICS INTERNET LIMITED

Ofcom RID holder

Also known as: Optics Internet Ltd

Phone
03300232323
Address
4 Lockside Office Park, Lockside Road, Riversway, Preston, PR2 2YB
Regulator reference
RID MCM (allocated 07/11/2017)

Omnis Group Services Limited

Ofcom RID holder

Also known as: Get Business Soltions Limited

Phone
07769166473
Address
Building 4 Argosy Court, Scimitar Way, Coventry, CV3 4GA
Regulator reference
RID MDW (allocated 28/11/2017)

Origin Solutions Ltd

Ofcom RID holder

Also known as: Origin Solutions

Phone
08432894116
Address
1st Floor, 2 Woodberry Grove, Finchley, London, N12 0DR
Regulator reference
RID MEB (allocated 04/12/2017)

Open Access Ltd

Ofcom RID holder
Phone
01728832712
Address
Colonial House, Station Road, Leiston, IP16 4JD
Regulator reference
RID MEW (allocated 12/12/2017)

OpenAIR Systems Ltd

Ofcom RID holder
Phone
02081233090
Address
1 Holmbury Grove, Croydon, CR0 9AN
Regulator reference
RID MGJ (allocated 15/01/2018)

OfficeTek Solutions Ltd

Ofcom RID holder

Also known as: OfficeTek

Phone
01215250016
Address
First Floor, 131 High Street, West Bromwich, B70 6NY
Regulator reference
RID MGW (allocated 18/01/2018)

OpenVoice Ltd

Ofcom RID holder

Also known as: OpenVoice Limited

Phone
01904202500
Address
Tadcaster Enterprise Park, Commer House, Station Road, Tadcaster, LS24 9JF
Regulator reference
RID MUG (allocated 29/08/2018)

onezo ltd

Ofcom RID holder

Also known as: onezo

Phone
01332207848
Address
Ely House, Wyvern Business Park, Stephensons Way, Derby, DE21 6LY
Regulator reference
RID MWF (allocated 01/10/2018)

OnTime IT & Comms Limited

Ofcom RID holder

Also known as: OnTime Computer Services

Phone
01851702039
Address
Unit 3, Rigs Road, Stornoway, HS1 2RF
Regulator reference
RID MZE (allocated 19/11/2018)

OCTOPUS ENTERPRISES LIMITED

Ofcom RID holder

Also known as: Octopus Computers

Phone
01572724185
Address
8, Sand Furrows, Ketton, Stamford, PE9 3SS
Regulator reference
RID NAQ (allocated 08/01/2019)

ON2NET (UK) LIMITED

Ofcom RID holder

Also known as: On2net (UK) Ltd

Phone
01543270215
Address
Centrix House, Keys Park Road, Hednesford, WS12 2HA
Regulator reference
RID NBX (allocated 22/01/2019)

OCUCON LIMITED

Ofcom RID holder
Phone
01912442444
Address
The Old Pub, Albion Row, Newcastle upon Tyne, NE61LR
Regulator reference
RID NCE (allocated 08/01/2019)

OBJECTIVE TECHNOLOGIES LTD

Ofcom RID holder

Also known as: Objective Technologies

Phone
01425205200
Address
Energy House, Crow Arch Lane Industrial Estate, Ringwood, BH24 1PD
Regulator reference
RID NDG (allocated 12/02/2019)

OHSO TECHNICAL LTD

Ofcom RID holder

Also known as: OhSo Connected

Phone
02039635533
Address
Eternity House, 21-24 Hickman Avenue, Office 6, London, E4 9GA
Regulator reference
RID NEK (allocated 05/03/2019)

Omni13 Limited

Ofcom RID holder

Also known as: Omni3 Communications

Phone
02039987027
Address
2 Masons Way, Codmore Hill, Pulborough, RH20 1DZ
Regulator reference
RID NHW (allocated 07/05/2019)

OYATECH LIMITED

Ofcom RID holder

Also known as: OYATECH

Phone
02071128690
Address
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
Regulator reference
RID NLR (allocated 15/07/2019)

Office Ready Technology Limited

Ofcom RID holder

Also known as: Office Ready Solutions Ltd

Phone
02030319800
Address
Honeycomb South, Honeycomb, Chester Business Park, Chester, CH4 9QJ
Regulator reference
RID NPL (allocated 09/09/2019)

OCTAGON TECHNOLOGY LIMITED

Ofcom RID holder

Also known as: Octagon Technology Ltd

Phone
01522797520
Address
13, High Street, Branston, Lincoln, LN1NB
Regulator reference
RID NPT (allocated 24/09/2019)

OPEN TECH (EAST YORKSHIRE) LIMITED

Ofcom RID holder

Also known as: Open VoIP

Phone
01482429800
Address
Orchard House Hessle Square, Hull, HU13 0AA
Regulator reference
RID NSE (allocated 10/01/2023)

OGL COMPUTER SUPPORT LIMITED

Ofcom RID holder

Also known as: OGL Computer

Phone
01299873873
Address
OGL Computer, Worcester Road, Worcester Road, Stourport on Severn, DY13 9AT
Regulator reference
RID NSF (allocated 11/11/2019)

ONE STOP ITM LIMITED

Ofcom RID holder

Also known as: ONESTOPITM

Phone
07944192640
Address
49 Queen Victoria Street, London, EC4N 4SA
Regulator reference
RID NSP (allocated 18/11/2019)

ONE CLOUD TELECOM LTD.

Ofcom RID holder

Also known as: One Cloud Telecom Ltd

Phone
02033888555
Address
71-75, Shelton Street, London, London, WC2H 9JQ
Regulator reference
RID NVF (allocated 22/01/2020)

ORIGINAL MOBILES NEW LCDS & PARTS LIMITED

Ofcom RID holder

Also known as: FMB group

Phone
07795964603
Address
Suite 3 Maple House, Queensway Business Park, Queensway, Telford, TF1 7UL
Regulator reference
RID NWH (allocated 12/02/2020)

OPTIC NETWORKS LTD

Ofcom RID holder

Also known as: Optic Networks

Phone
01423297892
Address
Knaresborough Technology Park, Mansa Lane, Knaresborough, Yorkshire, HG5 8LF
Regulator reference
RID NXE (allocated 24/02/2020)

Opta Networks

Ofcom RID holder
Phone
07931111680
Address
2 Vincent Close, Corringham, SS17 7QL
Regulator reference
RID NXP (allocated 10/03/2020)

ONE COMMUNICATION SOLUTIONS LTD

Ofcom RID holder

Also known as: One Communication Solutions

Phone
07872468781
Address
5 Hunters Walk, Witherley, Atherstone, Warwickshire, CV9 3SU
Regulator reference
RID PAG (allocated 12/05/2020)

OLLESSO LIMITED

Ofcom RID holder

Also known as: Ollesso Ltd

Phone
07809893600
Address
3 Hop Gardfen Way, Garston, Watford, Hertfordshire, WD25 0JN
Regulator reference
RID PAH (allocated 11/05/2020)

OPTIMAL PROJECTS LTD

Ofcom RID holder

Also known as: Optimal Projects

Phone
03301227220
Address
50 Lime Tree Avenue, Worthing, BN14 0DP
Regulator reference
RID PCQ (allocated 26/06/2020)

Octet Telecom Limited

Ofcom RID holder

Also known as: Octet

Phone
07969543196
Address
Floor 3, 35-37 Ludgate Hill, London, EC4M 7JN
Regulator reference
RID PFQ (allocated 24/08/2020)

OXAGON LTD

Ofcom RID holder
Phone
02084072570
Address
125 Cherry Orchard Road, Croydon, CR0 6BE
Regulator reference
RID PGF (allocated 14/09/2020)

ONETECHUK LTD

Ofcom RID holder

Also known as: ONETECHUK

Phone
03338001313
Address
1st floor morgan reach house, 136 hagley road, Birmingham, B16 9NX
Regulator reference
RID PIH (allocated 22/10/2020)

OCTAVIAN COMMUNICATIONS LIMITED

Ofcom RID holder

Also known as: Octavian Communications

Phone
07970731708
Address
Chesterfield House, 1 Station Road, Nottingham, NG13 8AQ
Regulator reference
RID PNJ (allocated 19/02/2021)

Ocean Pay Ltd

Ofcom RID holder

Also known as: Ocean Pay

Phone
01752916021
Address
25 boringdon avenue, Plymouth, Pl5 1uu
Regulator reference
RID PNU (allocated 25/02/2021)

Ocean Biofuels Ltd

Ofcom RID holder

Also known as: Scottish Fibre

Phone
01313583350
Address
64A Cumberland Street, Edinburgh, EH3 6RE
Regulator reference
RID PRZ (allocated 15/04/2021)

OCEAN TELECOM LIMITED

Ofcom RID holder

Also known as: Ocean Telecom

Phone
01284771555
Address
10 Woodside Business Park, Thetford Road, Ingham, IP31 1NR
Regulator reference
RID PWN (allocated 05/08/2021)

OCCTA LIMITED

Ofcom RID holder

Also known as: OCCTA

Phone
08002606639
Address
22 Pavilion View, Huddersfield, HD3 3WU
Regulator reference
RID QBK (allocated 10/01/2022)

Ociusnet UK Ltd

Ofcom RID holder
Also registered as
Code powers operator
Phone
08006889662
Address
Four Columns, Broughton Hall Estate, Skipton, Skipton, BD23 3AE
Regulator reference
RID QFU (allocated 26/04/2022)

ONE SIMPLE SWITCH LIMITED

Ofcom RID holder

Also known as: One Simple Switch

Phone
01268920050
Address
Bramerton Business Centre, Bramerton Road, Hockley, SS5 4PJ
Regulator reference
RID QHJ (allocated 20/06/2022)

ORBICOMM LIMITED

Ofcom RID holder

Also known as: Orbicomm

Phone
01212710344
Address
Unit 17 Long Lane Industrial Estate, Long Lane, Halesowen, B62 9LD
Regulator reference
RID QIF (allocated 27/06/2022)

One Stop IT Services Ltd

Ofcom RID holder

Also known as: One Point Hosting

Phone
07392994022
Address
10 Stanley road, Highcliffe, Christchurch, bh23 5hl
Regulator reference
RID QKQ (allocated 26/08/2022)

OCTAPLUS NETWORKS LTD

Ofcom RID holder

Also known as: OCTAPLUSUK

Phone
07736292021
Address
Kemp House 152-160 City Road, LONDON, EC1V 2NX
Regulator reference
RID QLK (allocated 09/09/2022)

OCS M&E Services Limited

Ofcom RID holder

Also known as: Atalian Servest AMK Ltd

Phone
01314406000
Address
42 Dryden Road, Loanhead, EH20 9LZ
Regulator reference
RID QQU (allocated 04/01/2023)

ONBOARD 365 LTD

Ofcom RID holder
Phone
01483672610
Address
Rm 15 Fides House, 10 Chertsey Road, Woking, GU21 5AB
Regulator reference
RID QRE (allocated 09/01/2023)

OPEN FIBRE UK LIMITED

Ofcom RID holder

Also known as: Open Fibre UK LTD

Phone
01482680080
Address
Orchard House, Hessle Square, Hull, HU130AA
Regulator reference
RID QRL (allocated 10/01/2023)

OSCARONLINE LIMITED

Ofcom RID holder

Also known as: OscarOnline

Phone
01527598803
Address
1a High Street, Studley, B80 7HN
Regulator reference
RID QSG (allocated 23/01/2023)

OFFICE EQUIPMENT SYSTEMS LIMITED

Ofcom RID holder

Also known as: Office Equipment Systems Ltd

Phone
01745335969
Address
Nexus House, New Vision Business Park, St Asaph, LL17 0LP
Regulator reference
RID QUL (allocated 10/03/2023)

OUSE COMMUNICATIONS LTD

Ofcom RID holder
Phone
01234210925
Address
7 Loak Close, Clapham, BEDFORD, MK41 6GQ
Regulator reference
RID QYS (allocated 02/06/2023)

ONIONRING LIMITED

Ofcom RID holder
Phone
01613990736
Address
4th Floor Silverstream House, 45 Fitzroy Street, Fitzrovia, London, W1T 6EB
Regulator reference
RID RAJ (allocated 18/07/2023)

ONLINE PERSPECTIVES LIMITED

Ofcom RID holder

Also known as: Online Perspectives

Phone
02081230560
Address
19 Stringers Avenue, Jacobs Well, Guildford, GU4 7NW
Regulator reference
RID RAR (allocated 24/07/2023)

OUNSWORTH LIMITED

Ofcom RID holder

Also known as: Ounsworth Ltd

Phone
+447843492095
Address
28 Hagbourne Road, Oxfordshire, Didcot, OX118DR
Regulator reference
RID REA (allocated 23/10/2023)

OHANA 8 LTD

Ofcom RID holder

Also known as: OHANA8 LTD

Phone
07725837559
Address
25 Wilton Road, Westminster, LONDON, SW1V 1LW
Regulator reference
RID REJ (allocated 30/10/2023)

OFFICE 21 LTD

Ofcom RID holder
Phone
02045530000
Address
208 Chester House, Kennington Park, London, SW9 6DE
Regulator reference
RID RHP (allocated 12/01/2024)

OMNI TELECOM LTD

Ofcom RID holder
Phone
07939678963
Address
25 Blinco Road, Northamptonshire, NN100EA
Regulator reference
RID RJK (allocated 29/02/2024)

ONE CALL TECHNOLOGIES LIMITED

Ofcom RID holder

Also known as: One Call Technologies

Phone
02037387499
Address
First Point, Balby Carr Bank, Doncaster, DN4 5JQ
Regulator reference
RID RML (allocated 13/05/2024)

OBJECTIVE SOURCE LTD.

Ofcom RID holder

Also known as: Objective Source Ltd

Phone
02920098088
Address
Portland House, 113-116 Bute Street, Cardiff, CF10 5EQ
Regulator reference
RID RNQ (allocated 07/06/2024)

OUTSIDE HELP LIMITED

Ofcom RID holder
Phone
02045518234
Address
Crown House, 27 Old Gloucester Street, London, WC1N 3AX
Regulator reference
RID RRB (allocated 29/07/2024)

ORIGINAL CONSULTANTS LTD

Ofcom RID holder

Also known as: Original Consultants

Phone
01242438700
Address
The Lypiatts, 15 Lansdown Road, Cheltenham, GL50 2JA
Regulator reference
RID RUL (allocated 11/10/2024)

ONWIGO LTD

Ofcom RID holder
Phone
01260606909
Address
Bank House, Market Square, Congleton, CW12 1ET
Regulator reference
RID RUV (allocated 21/10/2024)

OWLNET IP LTD

Ofcom RID holder
Phone
01134652666
Address
First Floor Offices, 12 - 14 Westgate, Tadcaster, LS24 9AB
Regulator reference
RID RVF (allocated 28/10/2024)

OCTANET LTD

Ofcom RID holder

Also known as: OctaNet

Phone
01304795007
Address
128 City Road, London, EC1V 2NX
Regulator reference
RID RWK (allocated 25/11/2024)

OPTIMA COMPUTER CENTRE LIMITED

Ofcom RID holder

Also known as: Optima

Phone
02084456700
Address
15 Sussex Ring, London, N12 7HX
Regulator reference
RID RWX (allocated 13/01/2025)

OSIRIS TECHNOLOGIES LTD

Ofcom RID holder

Also known as: Osiris IT

Phone
01603964914
Address
Unit 8 White Lodge Business Park, Hall Road, Norwich, NR4 6DG
Regulator reference
RID SAB (allocated 28/02/2025)

OUTRIGHT IT LIMITED

Ofcom RID holder
Phone
03300437099
Address
Merlin House, 4 Meteor Way, Lee-On-The-Solent, PO13 9FU
Regulator reference
RID SAI (allocated 12/03/2025)

ORANGE PENGUIN ICT LTD

Ofcom RID holder

Also known as: Orange Penguin

Phone
01382250101
Address
Discovery House 3.2, Gemini Crescent, Technology Park, Dundee, DD2 1SW
Regulator reference
RID SBC (allocated 25/03/2025)

OFFSITE CLOUD LTD.

Ofcom RID holder

Also known as: Offsite Cloud Ltd

Phone
01245205970
Address
Unit 3 Brocks Business Park, Wickford, SS11 8YN
Regulator reference
RID SBJ (allocated 02/04/2025)

OLILO UK & IRELAND LTD

Ofcom RID holder

Also known as: Olilo

Phone
07534302245
Address
3rd Floor, 86-90, Paul Street, London, EC2A 4NE
Regulator reference
RID SBP (allocated 02/04/2025)

OCEAN BROADBAND LTD

Ofcom RID holder

Also known as: Choice Broadband

Phone
01425837008
Address
50 Christchurch Road, Ringwood, BH24 1DW
Regulator reference
RID SBV (allocated 12/05/2025)

OFFICE TECH SUITE LTD

Ofcom RID holder

Also known as: Office Tech Suite

Phone
01174520033
Address
221 Central Park, Petherton Road, Hengrove, Bristol, BS14 9BZ
Regulator reference
RID SCH (allocated 28/04/2025)

ORIGIN CONNECT LTD

Ofcom RID holder

Also known as: OriginConnect

Phone
07384841649
Address
Unit 4 The Granary, Goblands Farm Business Centre, Court Lane, Hadlow, TONBRIDGE, TN11 0DP
Regulator reference
RID SHI (allocated 16/09/2025)

ODG COMMS LIMITED

Ofcom RID holder

Also known as: ODG Comms Ltd

Phone
03330333333
Address
45 Acer Way, Monmouth, NP25 5UQ
Regulator reference
RID SHM (allocated 23/09/2025)

OCEANNET BROADBAND LIMITED

Ofcom RID holder

Also known as: OCEANNET

Phone
07780763241
Address
27 Old Gloucester Street, London, WC1N 3AX
Regulator reference
RID SIX (allocated 17/11/2025)

ONWARD PROFESSIONAL SERVICES LTD

Ofcom RID holder
Phone
01952985976
Address
The Stable house, Ellerton Grange, Newport, TF108DS
Regulator reference
RID SLE (allocated 23/02/2026)

ONE CONNECTIVITY SOLUTIONS LIMITED

Ofcom RID holder
Phone
01158968860
Address
Unit 7 Redwing Court, Willow Farm Business Park, Castle Donington, DE74 2UH
Regulator reference
RID SLL (allocated 02/02/2026)

Orbis Protect Limited

Ofcom RID holder
Phone
01895465500
Address
Beaufort House, Cricket Field Road, Uxbridge, UB8 1QG
Regulator reference
RID SMM (allocated 06/03/2026)

Openreach Limited

Ofcom RID holder

Also known as: Openreach

Phone
07838121595
Address
6 Gracechurch St, London, EC3V 0AT
Regulator reference
RID SMR (allocated 06/03/2026)

ORIGIN SYSTEMS LIMITED

Ofcom RID holder
Phone
02033583355
Address
4 Banning Street, London, SE10 9PH
Regulator reference
RID SMS (allocated 05/03/2026)

ONE I.T. SUPPORT LTD

Ofcom RID holder

Also known as: One IT Support

Phone
01912960111
Address
17 Northumberland Square, Newcastle upon Tyne, NE30 1PX
Regulator reference
RID SSH (allocated 24/07/2026)

Independent reference compiled from Ofcom numbering data: Reseller Identification (RID) code allocations (RID.csv), cross-referenced with Ofcom's Register of persons with powers under the Electronic Communications Code and the 2026/27 administrative-charges list for study and investigative use. Ministry of Cyber Affairs is not a government body and does not represent any listed provider. See the United Kingdom directory overview and the directory hub for other countries.