Networks and services providers billed for Ofcom's 2021/22 administrative charges 8x8 UK Limited GTT EMEA SAP (UK) LIMITED Adept Telecom Hibernia Atlantic (UK) Limited Sinch UK Ltd Airwave Solutions Limited Hughes Network Systems Six Degrees Technology Group Limited Arkessa Limited Hutchison 3G UK Limited SKY UK Ltd Arqiva Limited Hyperoptic Limited Sohonet Limited Arrow Business Communications iD Mobile Limited South West Communications Group Limited IDE Group Holdings PLC Limited ASDA Group Limited Idt Global Ltd Southern Communications Limited AT&T Global Network Services (UK)BV Independent Fibre Retail Limited Spitfire Network Services Limited Avanti Communications Group PLC INTELSAT GLOBAL SALES & Sprintlink Uk Limited Bharti Airtel (UK) Limited MARKETING LTD. SSE Telecommunications Limited Blue Chip Data Systems Limited Intercity Telecom Ltd TalkTalk Telecom Group PLC British Telecommunications Plc Interoute Communications Ltd Tampnet UK Ltd Call Stream Limited Interoute Networks Limited Tata Communications (UK) Ltd CenturyLink Communications UK IPC Network Services Ltd Telecom Italia Sparkle S. P. A Limited Kcom Group Public Limited Company Telecom2 Ltd Chess Telecom Limited KDDI Europe Ltd Telefonica UK Limited China Telecom (Europe) Limited LEBARA MOBILE LIMITED TeleWare Group plc CityFibre Infrastructure Holdings LoopUp Group plc Telia Carrier UK Limited Limited Lycamobile (UK) Limited Telstra Limited Claranet Limited Magrathea Telecommunications Tesco Mobile Limited Cogent Communications UK Limited Limited The Excell Group Limited Colt Technology Services Maintel Europe Limited The Phone Co-op Ltd Commify UK Ltd Meetingzone Ltd TI Sparkle UK Limited Daisy Group Holdings Limited Microsoft Ireland Operations Limited Timico Ltd Dynamic Mobile Billing Limited Mll Telecom Ltd TNZI UK Ltd Eckoh UK Limited Modality Systems Limited Transaction Network Services (UK) Eircom UK Limited Neos Networks Limited Limited Elitetele.com plc Network Sales and Solutions Limited Truphone Limited Epsilon Telecommunications Limited NTT Europe Ltd T-Systems Limited EUNetworks Fiber UK Limited One Bill Telecom Twilio Ireland Limited Exa Networks Limited Open Fibre Networks (Wholesale) UK Broadband Limited Exponential-e Limited Limited UK Online (BSkyB) Fluidone Limited OPTIFY MEDIAFORCE LIMITED Utility Warehouse Ltd Freedom Communications (UK) Ltd OVO (S) Retail Telecoms Limited Vectone Mobile Limited Fujitsu Services Limited Pageone Communications Limited Verastar Limited Gamma Business Communications Post Office Limited Verizon Uk Limited Limited Premier Choice Telecom Limited Via-Vox Ltd Gamma Network Solutions Limited Pulsant (Scotland) Limited Virgin Media Limited Gamma Telecom Ltd Redcentric Solutions Limited Vodafone Limited Gateway Global Communications Ltd Reliance Vanco Group Limited Vonage Limited GCI Network Solutions Ltd Resilient PLC WaveCrest Networks Limited Gigaclear Limited RigNet UK Limited Wavenet Limited Glide Student and Residential Limited RingCentral UK Ltd Windsor Telecom Ltd Globecast UK Ltd RM PLC WPD Telecoms Limited XLN Telecom Ltd Zayo Group UK Limited Zen Internet Ltd .