| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHRYSAOR E&P LIMITED | 10871880 | 12/12/2024 | Amber |
| CHRYSAOR PETROLEUM LIMITED | 01247477 | 12/12/2024 | Bronze |
| CHRYSAOR PRODUCTION HOLDINGS LIMITED | 03629601 | 12/12/2024 | Silver |
| HARBOUR ENERGY ARGENTINA LIMITED | 14908697 | 12/12/2024 | Not Trading |
| HARBOUR ENERGY CENTRAL ANDAMAN LIMITED | 08534717 | 12/12/2024 | Not Trading |
| PREMIER OIL ABERDEEN SERVICES LIMITED | 01164961 | 12/12/2024 | Bronze |
| PREMIER OIL AND GAS SERVICES LIMITED | 03468792 | 12/12/2024 | Gold |
| PREMIER OIL ANDAMAN I LIMITED | 07447540 | 12/12/2024 | Amber |
| PREMIER OIL ANDAMAN LIMITED | 08534721 | 12/12/2024 | Amber |
| PREMIER OIL BARAKUDA LIMITED | 05052042 | 12/12/2024 | Gold |
| PREMIER OIL GROUP HOLDINGS LIMITED | 10785965 | 12/12/2024 | Silver |
| PREMIER OIL GROUP LIMITED | SC017829 | 12/12/2024 | Gold |
| PREMIER OIL HOLDINGS LIMITED | 03689620 | 12/12/2024 | Amber |
| PREMIER OIL MEXICO HOLDINGS LIMITED | 08033702 | 12/12/2024 | One Red Flag |
| PREMIER OIL MEXICO INVESTMENTS LIMITED | 08279035 | 12/12/2024 | Amber |
| PREMIER OIL SOUTH ANDAMAN LIMITED | 01474678 | 12/12/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|