| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BLADES OF SAVILE ROW LIMITED | 01556814 | 28/05/1998 | Amber |
| Blades of London Ltd | 03530880 | 22/05/1998 | Dissolved |
| Candet Ltd | 03530767 | 25/03/1998 | Dissolved |
| GREEN SOLUTIONS. UK. LIMITED | 03800001 | 02/07/1999 | Dissolved |
| John Betjeman Centenary Ltd | 05484881 | 20/09/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BATH RACECOURSE COMPANY,LIMITED | 00159562 | 04/10/1991 | 26/01/2001 | Silver |
| BLACKLAND PARK EXPLORATION LIMITED | 01881647 | 25/09/1991 | 14/01/2021 | Silver |
| BRITENERGY GROUP LIMITED | 03743318 | 27/04/1999 | 14/01/2021 | Gold |
| COURAGE ENERGY (U.K.) LIMITED | 03446506 | 14/10/2005 | 14/01/2021 | Amber |
| EAGLESTONE PETROLEUM LIMITED | 01579437 | 25/09/1992 | 14/01/2021 | Bronze |
| EOS ENERGIES LIMITED | 03800003 | 02/07/1999 | 14/01/2021 | Gold |
| FORTUNE ENERGY AND RESOURCE LIMITED | 03285003 | 28/11/1996 | 28/04/1999 | Dissolved |
| FORTUNE OIL LIMITED | 02173279 | 23/07/1991 | 28/04/1999 | Silver |
| FORTUNE PETROLEUM CORPORATION | 03286112 | 02/12/1996 | 28/04/1999 | Dissolved |
| FORTUNE RESOURCES LIMITED | 02780666 | 06/08/1993 | 28/04/1999 | Not Trading |
| LAUGHTON OIL AND GAS LTD | 08874479 | 04/02/2014 | 14/01/2021 | Amber |
| Roc Oil (Bel) Ltd | 01174987 | 25/09/1992 | 12/11/1997 | Dissolved |
| Roc Oil (E M O G) Ltd | 02245030 | 25/09/1992 | 12/11/1997 | Dissolved |