| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 4SITE TELECOMS UK LTD | 08627828 | 07/06/2024 | Silver |
| BELLCOM UK LIMITED | 05459035 | 07/06/2024 | Silver |
| HUTCHISON COMMUNICATION SYSTEMS LIMITED | 03462357 | 07/06/2024 | Not Trading |
| INDIGO GROUP HOLDINGS LIMITED | 10072338 | 07/06/2024 | Bronze |
| INDIGO TELECOM GROUP LIMITED | 03675459 | 07/06/2024 | One Red Flag |
| INDIGO TELECOM INSTALLATION SERVICES LIMITED | 04200834 | 07/06/2024 | Not Trading |
| SION BIDCO LIMITED | 11680047 | 07/06/2024 | One Red Flag |
| SION MIDCO LIMITED | 11680008 | 07/06/2024 | Bronze |
| SION TOPCO LIMITED | 11679768 | 07/06/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADB SAFEGATE AIRPORT SYSTEMS UK LTD | 11587010 | 01/02/2019 | 08/05/2020 | One Red Flag |
| BATTLEFIELD SIM LIMITED | 07896409 | 23/10/2020 | 25/05/2023 | Dissolved |
| BEAUFORT GROUP HOLDINGS LIMITED | 12667860 | 13/06/2020 | 25/05/2023 | Not Trading |