| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENQUEST DONS LIMITED | 03351775 | 24/10/2012 | Dissolved |
| STRATIC ENERGY (UK) LIMITED | 04758305 | 24/10/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BG ENERGY HOLDINGS LIMITED | 03763515 | 03/10/2005 | 03/12/2007 | Gold |
| BG INTELLECTUAL PROPERTY LIMITED | 02842953 | 22/12/2005 | 03/12/2007 | Not Trading |
| BG INTERNATIONAL LIMITED | 00902239 | 03/10/2005 | 03/12/2007 | Gold |
| BG OVERSEAS HOLDINGS LIMITED | 02207355 | 31/01/2007 | 03/12/2007 | Silver |
| BG UK HOLDINGS LIMITED | 02059279 | 31/01/2007 | 03/12/2007 | Silver |
| ENQUEST BRITAIN LIMITED | 03628497 | 24/10/2012 | 01/06/2022 | Amber |
| ENQUEST DONS LEASING LIMITED | 07848478 | 24/10/2012 | 01/06/2022 | Bronze |
| ENQUEST ENERGY LIMITED | 01019698 | 22/03/2013 | 01/06/2022 | Not Trading |
| ENQUEST GLOBAL LIMITED | 08482753 | 10/04/2013 | 01/06/2022 | Bronze |
| ENQUEST HEATHER LEASING LIMITED | 07848449 | 24/10/2012 | 01/06/2022 | Gold |
| ENQUEST HEATHER LIMITED | 02748866 | 24/10/2012 | 01/06/2022 | Silver |
| ENQUEST NWO LIMITED | 08497436 | 22/04/2013 | 01/06/2022 | Not Trading |
| ENQUEST PETROLEUM PRODUCTION MALAYSIA LTD | 08497369 | 22/04/2013 | 01/06/2022 | Gold |
| ENQUEST PRODUCTION LIMITED | 01019831 | 22/03/2013 | 01/06/2022 | Not Trading |
| ENQUEST THISTLE LIMITED | 04487223 | 24/10/2012 | 01/06/2022 | Insolvent |
| ENQUEST UK LIMITED | 01006812 | 24/10/2012 | 01/06/2022 | Insolvent |
| ENQUEST UKCS LIMITED | 06547400 | 24/10/2012 | 01/06/2022 | Insolvent |
| EQ PETROLEUM SABAH LTD | 07211014 | 16/10/2012 | 01/06/2022 | Not Trading |
| HANOVER ABERDEEN LIMITED | 08385700 | 01/02/2013 | 28/08/2015 | Dissolved |
| NSIP (GKA) LIMITED | SC302185 | 01/03/2014 | 01/06/2022 | Gold |
| SHELL GAS MARKETING U.K LIMITED | 04246096 | 07/05/2003 | 03/12/2007 | Gold |