| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENQUEST (HEATHER OILFIELD) LIMITED | 01216554 | 06/04/2010 | Dissolved |
| ENQUEST PLC | 07140891 | 22/02/2010 | Bronze |
| GROVE ENERGY (ROMANIA) LIMITED | 05969643 | 05/11/2010 | Dissolved |
| GROVE ENERGY (SOUTHERN NORTH SEA) LIMITED | 05947276 | 05/11/2010 | Dissolved |
| STRATIC ENERGY (DEVELOPMENTS) HOLDINGS LIMITED | 06749831 | 05/11/2010 | Dissolved |
| STRATIC ENERGY (DEVELOPMENTS) LIMITED | 06749898 | 05/11/2010 | Dissolved |
| STRATIC ENERGY (NORTH SEA) LIMITED | 05696700 | 05/11/2010 | Dissolved |
| STRATIC EXPLORATION (SYRIA) LIMITED | 05971351 | 05/11/2010 | Dissolved |
| THE AMJAD AND SUHA BSEISU FOUNDATION | 06018191 | 04/12/2006 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENQUEST BRITAIN LIMITED | 03628497 | 06/04/2010 | 24/10/2012 | Amber |
| ENQUEST DONS LIMITED | 03351775 | 24/06/1997 | 24/10/2012 | Dissolved |
| ENQUEST DONS OCEANIA LIMITED | FC028709 | 12/12/2008 | 17/10/2014 | Dissolved |
| ENQUEST ED LIMITED | 06301904 | 03/10/2007 | 17/10/2014 | Dissolved |
| ENQUEST ENS LIMITED | 06411750 | 31/01/2012 | 24/10/2012 | Not Trading |
| ENQUEST HEATHER LIMITED | 02748866 | 06/04/2010 | 24/10/2012 | Silver |
| ENQUEST THISTLE LIMITED | 04487223 | 06/04/2010 | 24/10/2012 | Insolvent |
| ENQUEST UK LIMITED | 01006812 | 06/04/2010 | 24/10/2012 | Insolvent |
| ENQUEST UKCS LIMITED | 06547400 | 31/01/2012 | 24/10/2012 | Insolvent |
| PETROFAC (MALAYSIA-PM 304) LIMITED | 03418736 | 16/06/2004 | 06/04/2010 | Amber |
| SERICA ENERGY PLC | 05450950 | 12/05/2005 | 01/09/2005 | Gold |
| STRATIC ENERGY (UK) LIMITED | 04758305 | 05/11/2010 | 24/10/2012 | Dissolved |
| STRATIC UK HOLDINGS LIMITED | 05971273 | 05/11/2010 | 17/10/2014 | Insolvent |