| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AFRICA OIL UK LIMITED | 12103262 | 29/07/2024 | Silver |
| PALE RIDER LIMITED | 09035521 | 02/06/2014 | Dissolved |
| Tucker Energy Associates Ltd | 05436203 | 26/04/2005 | Dissolved |
| VAN DAMME ACQUISITIONS LIMITED | 09796082 | 25/09/2015 | Dissolved |
| VAN DAMME HOLDINGS LIMITED | 09795926 | 25/09/2015 | Dissolved |
| VAN DAMME NORTH SEA OIL AND GAS LIMITED | 09814053 | 07/10/2015 | Dissolved |
| Vesta Petroleum Investments Ltd | 06537549 | 18/03/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| African Arabian Petroleum Ltd | 05555914 | 22/06/2006 | 03/10/2007 | Dissolved |
| BG CENTRAL HOLDINGS LIMITED | 08021833 | 05/04/2012 | 20/12/2012 | Insolvent |
| BG KARACHAGANAK LIMITED | 03294207 | 28/11/2011 | 13/01/2012 | Bronze |
| BG NORGE EXPLORATION LIMITED | 08083015 | 25/05/2012 | 20/12/2012 | Dissolved |
| BG NORGE LIMITED | 05028627 | 16/02/2010 | 20/12/2012 | Dissolved |
| CHRYSAOR NORTH SEA LIMITED | 00958880 | 11/12/2009 | 20/12/2012 | Silver |
| KELLAS CATS LIMITED | 08021886 | 05/04/2012 | 20/12/2012 | Silver |
| SHELL GLOBAL LNG LIMITED | 01287989 | 11/12/2009 | 20/12/2012 | Silver |
| VIARO ENERGY LIMITED | 12471979 | 08/06/2020 | 26/05/2022 | One Red Flag |
| XPLORER PLC | 07987393 | 30/04/2014 | 23/12/2014 | Dissolved |