| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AWEL Y MÔR OFFSHORE WIND FARM LIMITED | 12270928 | 26/06/2020 | Amber |
| BAYERNGAS E & P LIMITED | 04969335 | 19/11/2003 | Dissolved |
| BAYERNGAS NORTH SEA LIMITED | 05262343 | 20/10/2004 | Dissolved |
| DOMINO CAPITAL LIMITED | 06212285 | 20/04/2007 | Dissolved |
| G & N Management Ltd | 04415923 | 08/08/2002 | Dissolved |
| GDF TRADING LTD. | 05049472 | 19/02/2004 | Gold |
| GENESIS E & P (OVERSEAS) LIMITED | 05136421 | 24/05/2004 | Dissolved |
| GENESIS PETROLEUM RESOURCES LIMITED | 05380396 | 02/03/2005 | Dissolved |
| GENESIS PETROLEUM UK LIMITED | 05869376 | 07/07/2006 | Dissolved |
| GYM OFFSHORE ONE LIMITED | 07233489 | 01/10/2013 | Silver |
| GYM OFFSHORE THREE LIMITED | 07252984 | 01/10/2013 | Silver |
| GYM OFFSHORE TWO LIMITED | 07207084 | 01/10/2013 | Silver |
| Hgs (Gb) Ltd | 05035964 | 05/02/2004 | Dissolved |
| SPIRIT ENERGY WOS LIMITED | 11485916 | 03/09/2018 | Dissolved |
| SWM GYM PROJECT LIMITED | 07115640 | 01/10/2013 | Dissolved |
| SWM UK WIND ONE LIMITED | 07110700 | 01/10/2013 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOWLAND RESOURCES (NO.2) LIMITED | 06576443 | 01/01/2019 | 24/06/2022 | Amber |
| BOWLAND RESOURCES LIMITED | 06811566 | 01/01/2019 | 24/06/2022 | Amber |
| CARRERA VENTURES LIMITED | 05063435 | 04/03/2004 | 04/10/2005 | Dissolved |
| Carrera Property Developments Ltd | 04961469 | 12/11/2003 | 18/04/2006 | Dissolved |
| Cgg Offshore Uk Ltd | 03754028 | 07/03/2000 | 16/01/2001 | Dissolved |
| ELSWICK ENERGY LIMITED | 08351191 | 01/01/2019 | 24/06/2022 | Gold |
| Exploration Holdings Ltd | 02812999 | 23/06/1993 | 16/04/1999 | Dissolved |
| GALLERY DIRECT HOLDINGS LIMITED | 05790471 | 21/04/2006 | 22/08/2006 | One Red Flag |
| GALLERY DIRECT LIMITED | 03917740 | 16/02/2004 | 22/08/2006 | Silver |
| HORIZON EXPLORATION LIMITED | 02804983 | 11/06/1993 | 16/04/1999 | Insolvent |
| Hardie Management & Investment Co Ltd | 05062602 | 03/03/2004 | 01/11/2005 | Dissolved |
| Horizon Personnel Services Ltd | 03627104 | 11/09/1998 | 16/04/1999 | Dissolved |
| Robertson Overseas Ltd | 02720413 | 30/09/1992 | 01/12/1993 | Dissolved |
| SEISMIC GEOCODE LIMITED | 01208159 | 28/09/1991 | 01/07/1993 | Dissolved |
| SIMON-HORIZON LIMITED | 00467924 | 28/09/1991 | 01/07/1993 | Insolvent |
| SPIRIT ENERGY HEDGING HOLDING LIMITED | 11098688 | 01/06/2018 | 24/06/2022 | Dissolved |
| SPIRIT ENERGY NORTH SEA LIMITED | 04594558 | 08/12/2017 | 24/06/2022 | Silver |
| SPIRIT ENERGY NORTH SEA OIL LIMITED | SC210361 | 08/12/2017 | 24/06/2022 | Bronze |
| SPIRIT ENERGY PRODUCTION UK LIMITED | 03115179 | 08/12/2017 | 24/06/2022 | Gold |
| SPIRIT ENERGY RESOURCES LIMITED | 02855151 | 08/12/2017 | 24/06/2022 | Silver |
| SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED | 05735294 | 08/03/2006 | 24/06/2022 | Silver |
| SPIRIT EUROPE LIMITED | 05088411 | 14/11/2005 | 24/06/2022 | Bronze |
| SPIRIT NORTH SEA GAS LIMITED | SC182822 | 01/06/2018 | 24/06/2022 | Silver |
| SPIRIT PRODUCTION (SERVICES) LIMITED | SC305856 | 08/12/2017 | 24/06/2022 | Bronze |
| SPIRIT RESOURCES (ARMADA) LIMITED | 04181384 | 08/12/2017 | 24/06/2022 | Gold |
| Simon-Horizon (Overseas) Ltd | 00864796 | 28/09/1991 | 01/07/1993 | Dissolved |
| Simon-Horizon (Services) Ltd | 01347492 | 11/10/1992 | 01/07/1993 | Dissolved |
| Techmarine International Plc | 03836810 | 08/08/2002 | 04/11/2005 | Dissolved |