| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALMA ENERGY LIMITED | 06863696 | 31/03/2009 | Insolvent |
| Alma Energy Ltd | 05125563 | 11/05/2004 | Dissolved |
| MKZ PROPERTIES LIMITED | 04510655 | 10/12/2008 | Not Trading |
| VPHL EMPLOYEE INVESTMENT LIMITED | SC477186 | 14/04/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BANCHORY EXPLORATION LIMITED | 05503163 | 30/08/2005 | 11/12/2007 | Dissolved |
| CALENERGY SNS LIMITED | 08619688 | 09/12/2013 | 12/05/2015 | One Red Flag |
| NEO ENERGY (NORTH SEA) LIMITED | 08649342 | 09/12/2013 | 12/05/2015 | Dissolved |
| NEO ENERGY GROUP LIMITED | SC470677 | 24/06/2015 | 30/09/2019 | Silver |
| NEO ENERGY UPSTREAM UK LIMITED | SC279865 | 14/04/2015 | 30/09/2019 | Bronze |
| PLECTRUM OIL & GAS LIMITED | 05303276 | 02/12/2004 | 11/12/2007 | Dissolved |
| PLECTRUM OIL LIMITED | 05299267 | 29/11/2004 | 11/12/2007 | Dissolved |
| PLECTRUM PETROLEUM LIMITED | 05377234 | 28/09/2005 | 11/12/2007 | Dissolved |