| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BERYL NORTH SEA LIMITED | FC030632 | 26/11/2020 | Bronze |
| SCHIEHALLION OIL & GAS LIMITED | FC030727 | 26/11/2020 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BG GREAT BRITAIN LIMITED | 00909162 | 01/04/2020 | 10/01/2023 | Amber |
| BG NORGE LIMITED | 05028627 | 01/04/2020 | 01/09/2022 | Dissolved |
| BG NORTH SEA HOLDINGS LIMITED | 02383911 | 01/04/2020 | 10/01/2023 | Silver |
| CORALLIAN ENERGY LIMITED | 09835991 | 01/11/2022 | 10/01/2023 | Insolvent |
| ENTERPRISE OIL LIMITED | 01682048 | 01/04/2020 | 10/01/2023 | Gold |
| ENTERPRISE OIL MIDDLE EAST LIMITED | 02650009 | 01/04/2020 | 10/01/2023 | Gold |
| ENTERPRISE OIL U.K. LIMITED | 02290358 | 01/04/2020 | 10/01/2023 | Bronze |
| MURPHY SCHIEHALLION LIMITED | 07944011 | 26/11/2020 | 10/01/2023 | Not Trading |
| SHELL CLAIR UK LIMITED | 07108515 | 01/04/2020 | 10/01/2023 | Silver |
| SHELL EP OFFSHORE VENTURES LIMITED | 01682052 | 01/04/2020 | 10/01/2023 | Gold |
| SHELL U.K. NORTH ATLANTIC LIMITED | 04801731 | 01/04/2020 | 10/01/2023 | Silver |
| SHELL UPSTREAM OVERSEAS SERVICES (I) LIMITED | 07657243 | 01/04/2020 | 10/01/2023 | Silver |