| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ETRALI UK LIMITED | 02719657 | 22/11/2016 | 01/01/2020 | Gold |
| EXTRA UK HOLDINGS LIMITED | 09597949 | 01/08/2016 | 01/01/2020 | One Red Flag |
| IPC INFORMATION SYSTEMS | 01823833 | 19/09/2016 | 01/01/2020 | One Red Flag |
| IPC NETWORK SERVICES EMEA LIMITED | 05944667 | 01/08/2016 | 01/01/2020 | Silver |
| IPC NETWORK SERVICES UK HOLDINGS LIMITED | 05887379 | 01/08/2016 | 01/01/2020 | Gold |
| IPC NS UK SPC LIMITED | 05887380 | 01/08/2016 | 01/01/2020 | Amber |
| IPC UK HOLDINGS LIMITED | 03671678 | 01/08/2016 | 01/01/2020 | Gold |
| IPC UK SPC LIMITED | 03791565 | 01/08/2016 | 01/01/2020 | Not Trading |
| PURPLE VOICE LIMITED | 04256358 | 01/08/2016 | 01/01/2020 | Silver |
| V BAND LIMITED | 01855636 | 01/08/2016 | 01/01/2020 | Not Trading |
| WESTCOM DEDICATED PRIVATE LINES LIMITED | 05163951 | 01/08/2016 | 01/01/2020 | One Red Flag |
| WESTCOM EUROPE LIMITED | 05156469 | 01/08/2016 | 01/01/2020 | Silver |