| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBACOM HOLDINGS | 02603349 | 20/04/2005 | Dissolved |
| BT FINANCE B.V. | FC021994 | 25/10/2003 | Dissolved |
| BT LEASE HOLDINGS LIMITED | 04941979 | 23/10/2003 | Dissolved |
| BT LEASING LIMITED | 04942001 | 13/02/2013 | Dissolved |
| BT US INVESTMENTS LIMITED | FC033365 | 13/05/2016 | Dissolved |
| GROUPBT LIMITED | 04177089 | 11/12/2014 | Dissolved |
| NEWGATE LEASING LIMITED | 02024575 | 27/02/2007 | Dissolved |
| POSTGATE HOLDING COMPANY | 03166592 | 06/07/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELMULLET (IOM) LIMITED | FC036648 | 20/08/2020 | 22/04/2022 | Bronze |
| BRUNING LIMITED | 04958289 | 17/12/2004 | 22/04/2022 | Silver |
| BT EUROPEAN INVESTMENTS LIMITED | 04276882 | 30/06/2003 | 22/04/2022 | Bronze |
| BT FIFTY-ONE | 03621755 | 30/06/2003 | 22/04/2022 | One Red Flag |
| BT FIFTY-THREE LIMITED | 03621745 | 19/11/2001 | 22/04/2022 | Amber |
| BT GROUP INVESTMENTS LIMITED | 04278695 | 08/05/2007 | 22/04/2022 | Silver |
| BT SLE EURO LIMITED | 07573610 | 22/03/2011 | 22/04/2022 | One Red Flag |
| BT SLE USD LIMITED | 07573644 | 22/03/2011 | 22/04/2022 | Silver |
| COMMUNICATIONS NETWORKING SERVICES (UK) | 02840475 | 30/06/2003 | 22/04/2022 | Silver |
| COMMUNICATOR (IOM) LIMITED | FC033364 | 13/05/2016 | 08/04/2019 | Dissolved |
| TUDOR MINSTREL | 03747023 | 17/12/2008 | 22/04/2022 | Silver |