| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CORSAIR PETROLEUM (24TH ROUND) LIMITED | 05810764 | 09/05/2006 | Dissolved |
| CORSAIR PETROLEUM (CENTRAL NORTH SEA) LIMITED | 05193039 | 29/07/2004 | Dissolved |
| CORSAIR PETROLEUM (HOLDINGS) LIMITED | 05232493 | 15/09/2004 | Dissolved |
| CORSAIR PETROLEUM (NORTHERN NORTH SEA) LIMITED | 05233326 | 16/09/2004 | Dissolved |
| CORSAIR PETROLEUM (SOUTHERN NORTH SEA) LIMITED | 05192984 | 29/07/2004 | Dissolved |
| CORSAIR PETROLEUM LIMITED | 04460497 | 21/01/2003 | Dissolved |
| Concept Development Services Ltd | 03647926 | 01/01/2001 | Dissolved |
| FIELD DEVELOPMENT SPECIALISTS LTD. | 05375744 | 25/02/2005 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COOL PLANET TECHNOLOGIES LIMITED | 12002118 | 18/08/2020 | 03/07/2024 | One Red Flag |
| RESOLUTE OIL & GAS (UK) LIMITED | 11487529 | 27/07/2018 | 04/02/2020 | Dissolved |