| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MFD CONSULTANCY LIMITED | 01202926 | 01/06/2018 | Dissolved |
| MFD SECURITY LIMITED | 02493460 | 01/06/2018 | Dissolved |
| THORNTON TOMASETTI DEFENCE LIMITED | 02390791 | 30/06/1999 | Gold |
| THORNTON TOMASETTI HOLDINGS UK LTD | 11338702 | 01/05/2018 | Silver |
| THORNTON TOMASETTI LIMITED | 05888655 | 09/01/2019 | Silver |
| THORNTON TOMASETTI ROMSEY LIMITED | 01202925 | 01/06/2018 | Silver |
| THORNTON TOMASETTI WARRINGTON LIMITED | 04075775 | 29/06/2018 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SURVIVABILITY CONSULTING LIMITED | SC383323 | 08/03/2016 | 21/12/2020 | Silver |