| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVENTURE TELECOM LTD | 10796978 | 17/04/2023 | Bronze |
| CORE TELECOMMUNICATIONS LIMITED | 03274623 | 01/09/2024 | Not Trading |
| CPW NETWORK SERVICES LIMITED | 05408812 | 17/04/2023 | Silver |
| GREEN DOT PROPERTY MANAGEMENT LIMITED | 05705868 | 01/09/2024 | Not Trading |
| GREYSTONE TELECOM LIMITED | 04066365 | 01/09/2024 | Not Trading |
| ONETEL TELECOMMUNICATIONS LIMITED | 04226697 | 01/09/2024 | Not Trading |
| OPAL BUSINESS SOLUTIONS LIMITED | 05990928 | 01/09/2024 | Not Trading |
| PIPEX COMMUNICATIONS SERVICES LIMITED | 03059016 | 01/09/2024 | Not Trading |
| PIPEX INTERNET LIMITED | 05306519 | 01/09/2024 | Not Trading |
| PIPEX UK LIMITED | 04063120 | 01/09/2024 | Not Trading |
| PLATFORMX COMMUNICATIONS LTD | 03565511 | 01/09/2024 | Not Trading |
| TALKTALK BRANDS LIMITED | 05840856 | 17/04/2023 | Bronze |
| TALKTALK BUSINESS (2CCH) LIMITED | 06479825 | 01/09/2024 | Not Trading |
| TALKTALK COMMUNICATIONS LIMITED | 03849133 | 17/04/2023 | Amber |
| TALKTALK CORPORATE LIMITED | 06755322 | 17/04/2023 | Silver |
| TALKTALK DIRECT LIMITED | 05303195 | 01/09/2024 | Not Trading |
| TALKTALK GROUP LIMITED | 06534112 | 17/04/2023 | Bronze |
| TALKTALK TELECOM GROUP LIMITED | 07105891 | 17/04/2023 | Bronze |
| TALKTALK TELECOM HOLDINGS LIMITED | 03253714 | 17/04/2023 | Silver |
| TALKTALK TELECOM LIMITED | 04633015 | 17/04/2023 | Bronze |
| TALKTALK TV ENTERTAINMENT LIMITED | 05829251 | 17/04/2023 | Silver |
| TELCO GLOBAL LIMITED | 04222886 | 01/09/2024 | Not Trading |
| TELCO HOLDINGS LIMITED | 04219971 | 17/04/2023 | Gold |
| TIPICALL LIMITED | 03216399 | 23/06/2023 | Silver |
| TISCALI UK LIMITED | 03408171 | 01/09/2024 | Not Trading |
| TREETOP TELECOM LIMITED | 11390756 | 01/09/2024 | Not Trading |
| UK TELCO (GB) LIMITED | 04341230 | 01/09/2024 | Not Trading |
| V NETWORKS LIMITED | 05475260 | 01/09/2024 | Not Trading |
| VIDEO NETWORKS LIMITED | 02740910 | 01/09/2024 | Not Trading |
| WORLD ONLINE TELECOM LIMITED | 03539650 | 01/09/2024 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| TALKTALK BUSINESS DIRECT LIMITED | 11347230 | 17/04/2023 | 29/09/2023 | One Red Flag |
| TISCALI UK LIMITED | 03408171 | 17/04/2023 | 13/06/2023 | Not Trading |