| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Best of British Motorsport Ltd | 02963860 | 05/09/1994 | Dissolved |
| Tour of Britain Auto Ltd | 03691110 | 04/01/1999 | Dissolved |
| Valuederive Limited | 02599969 | 25/04/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CASTLE COMBE CIRCUIT LIMITED | 00804350 | 05/07/1991 | 19/11/1996 | One Red Flag |
| CLASSIC MOTORING ORGANISATION LTD. | 03355405 | 11/08/1998 | 31/03/2000 | Dissolved |
| Cab (No.3) Ltd | 02006526 | 01/01/1996 | 01/08/1997 | Dissolved |
| ENGELS (NO.1) LIMITED | 00515994 | 01/01/1992 | 05/05/1998 | One Red Flag |
| THE MOTORCYCLE CIRCUIT RACING CONTROL BOARD LIMITED | 03062301 | 18/03/1997 | 01/05/1998 | Amber |
| Tour of Britain Management Ltd | 03691113 | 04/01/1999 | 01/11/2000 | Dissolved |