| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRIDGE SOLUTIONS (UK) LIMITED | 04267230 | 28/02/2024 | Bronze |
| CABLESTREAM LTD | 05690159 | 19/10/2020 | Gold |
| DALY SYSTEMS LIMITED | 03144071 | 19/06/2024 | Silver |
| EXCALIBUR COMMUNICATIONS GB LIMITED | 03912924 | 28/02/2024 | One Red Flag |
| EXCALIBUR COMMUNICATIONS GROUP LIMITED | 11215343 | 28/02/2024 | One Red Flag |
| GLAMORGAN TELECOM LIMITED | 02836648 | 19/10/2020 | Dissolved |
| GT GROUP SERVICES LTD | 04800807 | 19/10/2020 | Amber |
| IMS TECHNOLOGY SERVICES LIMITED | 04341231 | 06/01/2023 | Gold |
| IP OFFICE GROUP HOLDINGS LIMITED | 04401787 | 01/10/2021 | Amber |
| IP OFFICE LIMITED | 04401766 | 01/10/2021 | Gold |
| NICE NETWORK LTD | 02877794 | 04/11/2020 | Gold |
| OLIVE BUSINESS SOLUTIONS LIMITED | 04648708 | 19/02/2021 | Silver |
| OLIVE COMMUNICATIONS SOLUTIONS LIMITED | 07748971 | 19/02/2021 | One Red Flag |
| RUSSELL MIDCO 2 LTD | 13638961 | 02/12/2021 | Strike Off |
| RUSSELL TELECOM LIMITED | 07639514 | 02/12/2021 | Gold |
| SOLUTION IP COMMUNICATIONS LIMITED | 06067279 | 16/09/2022 | Gold |
| TECHS4EDUCATION LIMITED | 07091418 | 28/02/2024 | Silver |
| VOICE OVER IP LIMITED | 05318085 | 01/10/2021 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|