| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRAWHOOSE PROPERTIES LTD | SC573517 | 23/04/2021 | One Red Flag |
| SANTA FE DRILLING COMPANY (U.K.) LIMITED | 00595690 | 28/04/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALEDONIA OFFSHORE DRILLING SERVICES LIMITED | 09163577 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE C.R. LUIGS LIMITED | 03653606 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE DRILLING COMPANY (NORTH SEA) LIMITED | 00782373 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE DRILLING COMPANY (OVERSEAS) LIMITED | 03547849 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE DRILLING SERVICES (NORTH SEA) LIMITED | 03914225 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE HOLDING COMPANY (NORTH SEA) LIMITED | 03047534 | 28/04/2016 | 24/05/2017 | Dissolved |
| GLOBALSANTAFE TECHSERV (NORTH SEA) LIMITED | 03047538 | 28/04/2016 | 24/05/2017 | Dissolved |
| R & B FALCON DEEPWATER (UK) LIMITED | 03900915 | 28/04/2016 | 24/05/2017 | Dissolved |
| R&B FALCON (CALEDONIA) LIMITED | 01591065 | 28/04/2016 | 24/05/2017 | Amber |
| R&B FALCON (U.K.) LIMITED | 01731764 | 28/04/2016 | 24/05/2017 | Amber |
| SDS OFFSHORE LIMITED | 01822670 | 28/04/2016 | 24/05/2017 | Dissolved |
| TRANSOCEAN DRILLING LIMITED | SC129333 | 29/04/2016 | 24/05/2017 | Dissolved |
| TRANSOCEAN DRILLING U.K. LIMITED | SC131375 | 29/04/2016 | 15/05/2018 | One Red Flag |
| TRANSOCEAN OFFSHORE DRILLING LIMITED | 02571878 | 28/04/2016 | 24/05/2017 | Dissolved |
| TRANSOCEAN ONSHORE SUPPORT SERVICES LIMITED | SC217020 | 29/04/2016 | 15/05/2018 | Silver |
| TRANSOCEAN SERVICES UK LIMITED | 02506922 | 28/04/2016 | 24/05/2017 | Dissolved |
| TRANSOCEAN UK LIMITED | 04017574 | 28/04/2016 | 21/12/2016 | Bronze |
| TRITON PACIFIC LIMITED | 06038076 | 28/04/2016 | 24/05/2017 | Dissolved |
| WILRIG OFFSHORE (UK) LIMITED | 01913362 | 28/04/2016 | 24/05/2017 | Dissolved |