| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Castle Combe Exhibitions Ltd | 01873617 | 20/06/1991 | Dissolved |
| Circuit Motors (2003) Ltd | 04699420 | 17/03/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH MOTORSPORT PROMOTERS LIMITED | 03800854 | 01/12/2003 | 23/02/2013 | Dissolved |
| BRITISH RACING & SPORTS CAR CLUB LIMITED | 00487885 | 23/04/1991 | 12/09/2005 | Gold |
| CASTLE COMBE ACTION DAYS LLP | OC335167 | 28/02/2008 | 23/02/2013 | Dissolved |
| CASTLE COMBE CIRCUIT LIMITED | 00804350 | 05/07/1991 | 23/02/2013 | One Red Flag |
| CASTLE COMBE EXHIBITIONS LTD | 04954639 | 05/11/2003 | 22/02/2013 | Silver |
| CASTLE COMBE RACING CLUB LIMITED | 05655959 | 16/12/2005 | 23/02/2013 | Gold |
| CASTLE COMBE RACING SCHOOL LIMITED | 02654715 | 16/10/1991 | 23/02/2013 | Gold |
| CASTLE COMBE RACING TRUST LIMITED | 06698410 | 16/09/2008 | 23/02/2013 | Gold |
| HTSCCC LIMITED | 04951040 | 03/11/2003 | 23/02/2013 | Dissolved |
| PGMSCCC LIMITED | 04953968 | 23/06/2004 | 23/02/2013 | Dissolved |
| THE ASSOCIATION OF MOTOR RACING CIRCUIT OWNERS LIMITED | 03070534 | 23/08/2010 | 30/04/2014 | One Red Flag |
| THE ASSOCIATION OF RACING DRIVERS SCHOOLS LIMITED | 02547860 | 11/10/1992 | 23/02/2013 | Gold |
| THE MOTORCYCLE RACE PROMOTERS COMMITTEE LIMITED | 05396112 | 02/06/2010 | 30/04/2014 | One Red Flag |
| Tavern Catering Ltd | 01689891 | 30/07/1991 | 06/07/1999 | Dissolved |