| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Warwick Garage (Aston) Ltd | 01349654 | 31/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH RACING DRIVERS CLUB LIMITED(THE) | 00257980 | 24/04/1991 | 01/10/1992 | Silver |
| Brp (Silverstone) Limited | 01784507 | 24/04/1991 | 13/10/1992 | Dissolved |
| GUY SALMON HONDA LIMITED | 01830419 | 10/08/1992 | 12/01/1993 | Dissolved |
| Green Crop Conservation Limited | 00474826 | 24/04/1991 | 13/10/1992 | Dissolved |
| OXFORD MAZDA LIMITED | 01514496 | 09/04/1992 | 12/01/1993 | Not Trading |
| PROPHETS (GERRARDS CROSS) LIMITED | 02170064 | 09/04/1992 | 12/01/1993 | Not Trading |
| PROPHETS GARAGE LIMITED | 01630936 | 25/08/1992 | 12/01/1993 | Dissolved |
| S M G L One Ltd | 02005181 | 09/04/1992 | 12/01/1993 | Dissolved |
| SILVERSTONE ADVISORY SERVICES LIMITED | 02594681 | 22/03/1991 | 13/10/1992 | Gold |
| SILVERSTONE CIRCUITS LIMITED | 00882843 | 24/04/1991 | 13/10/1992 | Silver |
| SILVERSTONE CLUB LIMITED | 01084536 | 24/04/1991 | 13/10/1992 | Silver |
| SILVERSTONE ESTATES LIMITED | 01013427 | 24/04/1991 | 13/10/1992 | Amber |
| SILVERSTONE GRAND PRIX LIMITED | 01162508 | 24/04/1991 | 13/10/1992 | Gold |
| SILVERSTONE RACING SCHOOL LIMITED | 01784502 | 24/04/1991 | 13/10/1992 | Gold |
| SOLWAY COURT MANAGEMENT COMPANY LIMITED | 05126092 | 13/11/2006 | 20/12/2023 | One Red Flag |
| SYTNER HOLDINGS LIMITED | 02681878 | 09/04/1992 | 22/12/1992 | Not Trading |
| SYTNER LONDON LIMITED | 02383590 | 15/05/1992 | 12/01/1993 | Not Trading |
| Shires (Coventry) Ltd | 02194825 | 09/04/1992 | 12/01/1993 | Dissolved |
| Silverstone Rally Centre Limited | 02374917 | 24/04/1991 | 13/10/1992 | Dissolved |
| Silverstone Signs Limited | 01784503 | 24/04/1991 | 13/10/1992 | Dissolved |
| Silverstone Skid School Ltd | 01670812 | 24/04/1991 | 13/10/1992 | Dissolved |