C A Consulting
| Ombudsman Services: Communications |
C Mobile
| Ombudsman Services: Communications |
Cable and Wireless Worldwide (CWW)
| Ombudsman Services: Communications |
Cablecom Networking Ltd
| Ombudsman Services: Communications |
Cablestream Limited
| Ombudsman Services: Communications |
Cablewise Communications & Systems Ltd
| Ombudsman Services: Communications |
Cactus Business Solutions Limited
| CISAS |
Cajose Limited t/as Vodanet, ABCS & Voice & Data Solutions
| Ombudsman Services: Communications |
Caladan Communications
| Ombudsman Services: Communications |
Calcom Holdings Ltd, t/as G6
| Ombudsman Services: Communications |
Call Flow Solutions
| Ombudsman Services: Communications |
Call Monitor
| Ombudsman Services: Communications |
Call Navigator IP
| Ombudsman Services: Communications |
Call Navigator TM
| Ombudsman Services: Communications |
Call Sense UK
| Ombudsman Services: Communications |
Call Union
| Ombudsman Services: Communications |
Call08
| Ombudsman Services: Communications |
call1301
| Ombudsman Services: Communications |
Call27 Telecommunications Ltd
| CISAS |
CallAngels
| Ombudsman Services: Communications |
CALLMORE
| Ombudsman Services: Communications |
CallReady
| Ombudsman Services: Communications |
callready
| Ombudsman Services: Communications |
Callstream
| Ombudsman Services: Communications |
CallUnion
| Ombudsman Services: Communications |
Calteq Limited
| Ombudsman Services: Communications, CISAS |
Cambrian Communications Cyf
| Ombudsman Services: Communications |
Camping Connect
| CISAS |
CAN networks
| Ombudsman Services: Communications |
Candy Communications Limited
| CISAS |
Cartel Communications
| Ombudsman Services: Communications |
CAT Communications Limited
| Ombudsman Services: Communications |
CATalyst Systems North Wales Ltd
| CISAS |
Catalyst2
| Ombudsman Services: Communications |
Causeway Telecom
| Ombudsman Services: Communications |
Cavendish Communications
| Ombudsman Services: Communications |
CCCit
| Ombudsman Services: Communications |
Cedar Telecom
| Ombudsman Services: Communications |
Cellcast UK Ltd
| Ombudsman Services: Communications |
Cellhire PLC
| Ombudsman Services: Communications |
Centonex Domains
| Ombudsman Services: Communications |
Central Technology
| Ombudsman Services: Communications |
Centrix Ltd T/A AdEPT Telecom PLC
| Ombudsman Services: Communications |
Centronet 3
| Ombudsman Services: Communications |
Cerberus Networks Ltd
| Ombudsman Services: Communications |
CFL
| Ombudsman Services: Communications |
CFL Comms
| Ombudsman Services: Communications |
Chain Telecom
| Ombudsman Services: Communications |
Challenger Mobile Communications Ltd
| Ombudsman Services: Communications |
Chalvington Communications
| Ombudsman Services: Communications |
Channel IP
| Ombudsman Services: Communications |
Channel IT
| Ombudsman Services: Communications |
Channel Network Services Ltd
| Ombudsman Services: Communications |
Channel Telecom Ltd
| Ombudsman Services: Communications |
Charity Buying Group
| Ombudsman Services: Communications |
Chaser Communications Ltd
| CISAS |
Chatter Telecoms Ltd
| Ombudsman Services: Communications |
Chatterbox Limited
| Ombudsman Services: Communications |
Cherry Call
| Ombudsman Services: Communications |
Chess Limited
| CISAS |
Chicane Internet
| Ombudsman Services: Communications |
Chiltern Telecom Limited
| Ombudsman Services: Communications |
China Mobile International
| Ombudsman Services: Communications |
Choice Telecoms Ltd
| Ombudsman Services: Communications |
Chrome Telecom
| Ombudsman Services: Communications |
ChunkyChips.net Ltd
| CISAS |
Cirrus IT Services (UK) Limited
| CISAS |
Citrix Online
| Ombudsman Services: Communications |
Citrus Telecommunications Ltd
| CISAS |
City Numbers Ltd
| Ombudsman Services: Communications |
CIX
| Ombudsman Services: Communications |
claranet limited
| CISAS |
Claranet Soho
| Ombudsman Services: Communications |
Clarion Communication Management Ltd
| Ombudsman Services: Communications |
Clarion Communications
| CISAS |
Clarity Telecom Limited
| CISAS |
Class Affinity Projects Ltd
| CISAS |
Class Systems
| Ombudsman Services: Communications |
Class Telecommunications
| Ombudsman Services: Communications |
Cleaner EV Ltd
| CISAS |
Clear Broadband
| Ombudsman Services: Communications |
Clear Business
| Ombudsman Services: Communications |
Clear Connect
| Ombudsman Services: Communications |
Clear Hosting
| Ombudsman Services: Communications |
Clear Hotspots
| Ombudsman Services: Communications |
Clear Picture Services Limited
| CISAS |
Clear Telecom and Data Ltd
| Ombudsman Services: Communications |
Clearer Solutions Limited
| CISAS |
Cleartech
Communications Ltd | Ombudsman Services: Communications |
Clique Energy Ltd
| CISAS |
Clocom UK Ltd
| Ombudsman Services: Communications |
Cloud 9 Mobile Communications
| Ombudsman Services: Communications |
Cloud Central Convergence Limited
| CISAS |
Cloud Direct (On Direct Business Services Ltd)
| Ombudsman Services: Communications |
Cloud Geeks Ltd
| Ombudsman Services: Communications |
Cloud IT Ltd
| CISAS |
Cloud Phone Company Ltd
| CISAS |
Cloud Phone Warehouse
| Ombudsman Services: Communications |
Cloud9 Telephony Ltd
| Ombudsman Services: Communications |
Cloudcall
| Ombudsman Services: Communications |
CloudConnX Ltd
| Ombudsman Services: Communications |
CloudScape Connect Ltd
| Ombudsman Services: Communications |
Cloudsource Technologies
| Ombudsman Services: Communications |
Cloudstream Technology Limited
| CISAS |
CML Microcircuits (UK) Ltd
| Ombudsman Services: Communications |
CMM Telecoms
| CISAS |
CMS Broadband Ltd
| Ombudsman Services: Communications |
CMT Limited
| Ombudsman Services: Communications |
Cobham AvComm
| Ombudsman Services: Communications |
Cobus Communications
| CISAS |
Cobweb Solutions Ltd
| CISAS |
Co-Channel Electronics Ltd
| Ombudsman Services: Communications |
Coffey Comms Ltd
| Ombudsman Services: Communications |
Cogent Communications UK Ltd
| Ombudsman Services: Communications |
Collaborative Portfolio Ltd
| CISAS |
Colt
| Ombudsman Services: Communications |
Colt Technology Services
| Ombudsman Services: Communications |
Columbus Telecom Ltd
| Ombudsman Services: Communications |
Combitel Ltd
| Ombudsman Services: Communications |
Commpliment Ltd
| Ombudsman Services: Communications |
comms 365
| Ombudsman Services: Communications |
Comms Factory
| Ombudsman Services: Communications |
Comms FM Ltd
| Ombudsman Services: Communications |
Comms Management Wales
| Ombudsman Services: Communications |
Comms UK
| Ombudsman Services: Communications |
Comms Unite
| CISAS |
Commsbill
| Ombudsman Services: Communications |
Commsready
| Ombudsman Services: Communications |
Commsworld
| Ombudsman Services: Communications |
Comm-Tech Voice & Data Ltd
| Ombudsman Services: Communications |
Communicate Better
| Ombudsman Services: Communications |
Communicate Business Solutions
| Ombudsman Services: Communications |
Communication & Technical Services Ltd, t/as CTS Ltd
| Ombudsman Services: Communications |
Communications 2000
| Ombudsman Services: Communications |
Community Fibre Ltd
| Ombudsman Services: Communications |
Commworx ltd
| CISAS |
Compatibility Limited
| CISAS |
Complete ICT Solutions Ltd
| CISAS |
Compucare Computer Servicing (Pulse8broadband)
| Ombudsman Services: Communications |
Computer Cab Plc
| Ombudsman Services: Communications |
Computer-eyez
| Ombudsman Services: Communications |
Computer & Network Consultants Ltd
| CISAS |
Computer Solutions Cymru Ltd
| Ombudsman Services: Communications |
Computer Systems UK Ltd
| CISAS |
Comtec Enterprises Ltd
| CISAS |
Comtek System Solutions
| Ombudsman Services: Communications |
COM-TEL Telecom Ltd
| CISAS |
ComWales
| Ombudsman Services: Communications |
Concert Networks Limited
| Ombudsman Services: Communications |
Connaught Communications
| Ombudsman Services: Communications |
Connectaphone Ltd
| Ombudsman Services: Communications |
Connect B2B Ltd
| Ombudsman Services: Communications |
Connect Telecom
| Ombudsman Services: Communications |
Connected World
| Ombudsman Services: Communications |
Connects2 Ltd
| Ombudsman Services: Communications |
Connectus Business Solutions Ltd | Ombudsman Services: Communications |
Connexin Limited
| Ombudsman Services: Communications |
Connexions (Group) Limited
| Ombudsman Services: Communications |
Connexus Networks
| Ombudsman Services: Communications |
Consega Limited
| Ombudsman Services: Communications |
Consulting Networks (CONNET)
| Ombudsman Services: Communications |
Content Guru Limited
| Ombudsman Services: Communications |
Converged Communications Solutions Ltd
| Ombudsman Services: Communications |
Convergence Group Networks Ltd
| CISAS |
Conxdigital Ltd
| CISAS |
Cornerstone Business Solutions Ltd
| CISAS |
Core Telecom Ltd
| Ombudsman Services: Communications |
Cornwall Phone
| Ombudsman Services: Communications |
Corporate ICT
| CISAS |
Cortel Telecom Limited
| Ombudsman Services: Communications |
CountryCall
| Ombudsman Services: Communications |
Countrywide Telecoms
| Ombudsman Services: Communications |
County Broadband Ltd
| Ombudsman Services: Communications |
CPS Connections
| Ombudsman Services: Communications |
Creative Networks
| CISAS |
Creative Work Studios Limited
| CISAS |
Creditcall Telecom Services Ltd
| CISAS |
Crius Technologies Ltd
| Ombudsman Services: Communications |
Crockham Hill CIC
| CISAS |
Cromarty Firth Wireless Networks
| Ombudsman Services: Communications |
Crosby Fax
| Ombudsman Services: Communications |
Crown Telecom Solutions Limited
| Ombudsman Services: Communications |
Crowthorne Associates Limited
| Ombudsman Services: Communications |
Crystal Clear Telecom Ltd | Ombudsman Services: Communications |
CSD Ltd
| Ombudsman Services: Communications |
CSS Telecoms
| Ombudsman Services: Communications |
CS Technical Services (Scotland) Ltd
| Ombudsman Services: Communications |
CT Wholesale
| Ombudsman Services: Communications |
CTExcelbiz
| Ombudsman Services: Communications |
CTR Communications Limited
| CISAS |
CTR Services Uk
| Ombudsman Services: Communications |
CTS Group Ltd
| Ombudsman Services: Communications |
Cuckoo Internet Ltd | Ombudsman Services: Communications |
Curve IT Limited | Ombudsman Services: Communications |
Customer Care Company Ltd
| Ombudsman Services: Communications |
Cyber Comms Ltd
| Ombudsman Services: Communications |
Cyberair Ltd
| CISAS |
Cygnal Installations
| Ombudsman Services: Communications |
cyta
| Ombudsman Services: Communications |