| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BABCOCK INFORMATION ANALYTICS AND SECURITY HOLDINGS LIMITED | 03533640 | 11/06/2021 | Not Trading |
| BABCOCK INFORMATION ANALYTICS AND SECURITY LIMITED | 02275471 | 11/06/2021 | Gold |
| BABCOCK IP MANAGEMENT (NUMBER THREE) LIMITED | 15413856 | 15/01/2024 | Bronze |
| BABCOCK MARINE (CLYDE) LIMITED | SC220243 | 12/11/2021 | Bronze |
| BABCOCK MARINE (DEVONPORT) LIMITED | 02959785 | 24/08/2023 | Gold |
| BABCOCK SERVICES GROUP LIMITED | 03939840 | 23/11/2023 | Gold |
| BNS PENSIONS LIMITED | SC233272 | 25/04/2024 | Not Trading |
| CAVENDISH NUCLEAR (OVERSEAS) LIMITED | 05339062 | 30/11/2023 | Not Trading |
| CAVENDISH NUCLEAR LIMITED | 03975999 | 20/11/2021 | Silver |
| DEVONPORT ROYAL DOCKYARD LIMITED | 02077752 | 24/07/2024 | Bronze |
| MARK LAWTON ASSOCIATES LTD | 07575476 | 23/03/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALC (FMC) LIMITED | 05424243 | 01/04/2017 | 26/05/2021 | Dissolved |
| ALC (HOLDCO) LIMITED | 05424270 | 01/04/2017 | 26/05/2021 | Dissolved |
| ALC (SPC) LIMITED | 05424261 | 01/04/2017 | 26/05/2021 | Dissolved |
| ALC (SUPERHOLDCO) LIMITED | 05424245 | 01/04/2017 | 26/05/2021 | Dissolved |
| AVINCIS AVIATION MANAGEMENT SERVICES LIMITED | 04020610 | 06/10/2017 | 28/06/2018 | Gold |
| BABCOCK DYNCORP LIMITED | 04904018 | 17/03/2014 | 07/07/2015 | Gold |
| BABCOCK LAND DEFENCE LIMITED | 09329025 | 31/03/2015 | 09/10/2020 | Amber |
| BABCOCK LAND LIMITED | 03493110 | 14/01/2019 | 09/10/2020 | Silver |
| BABCOCK SUPPORT SERVICES LIMITED | SC099884 | 24/10/2012 | 07/07/2015 | Silver |
| DEBUT SERVICES (CONTRACTS) LTD | 04905429 | 27/07/2012 | 01/10/2015 | Not Trading |
| DEBUT SERVICES (SOUTH WEST) LIMITED | 04582950 | 27/07/2012 | 01/10/2015 | Gold |
| HOLDFAST TRAINING SERVICES LIMITED | 04094249 | 01/04/2017 | 10/06/2020 | Amber |