| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MERLIN OIL PLC | 06006242 | 18/01/2007 | Dissolved |
| MUSCOVY OIL SERVICES LIMITED | 05621404 | 14/11/2005 | Dissolved |
| Merlin Oil & Gas Ltd | 04113927 | 27/03/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANGUS ENERGY WEALD BASIN NO.1 LIMITED | SC427386 | 16/07/2019 | 27/09/2023 | One Red Flag |
| ANGUS ENERGY WEALD BASIN NO.2 LIMITED | 06975039 | 16/07/2019 | 27/09/2023 | Silver |
| ANGUS ENERGY WEALD BASIN NO.3 LIMITED | SC055329 | 16/07/2019 | 27/09/2023 | Bronze |