| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Clyde Maritime Ltd | SC105551 | 23/05/1989 | Dissolved |
| Hfl Motorsport Ltd | 01871568 | 31/12/1991 | Dissolved |
| MCALPINE EDUCATIONAL ENDOWMENTS LIMITED(THE) | 00595224 | 31/12/1991 | Bronze |
| McAlpine,Sir Robert,(Construction) Ltd | 00253836 | 07/05/1992 | Dissolved |
| McAlpine,Sir Robert,(North Eastern) Ltd | 00574064 | 06/06/1991 | Dissolved |
| McAlpine,Sir Robert,(Yorkshire) Ltd | 00353252 | 06/06/1991 | Dissolved |
| Stockingstone Ltd | 01141250 | 06/06/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 12 GLEBE PLACE LIMITED | 02641543 | 29/08/1991 | 15/04/1993 | Amber |
| Agt Enterprises Ltd | 03774024 | 04/07/2001 | 10/04/2003 | Dissolved |
| BRITISH RACING DRIVERS CLUB LIMITED(THE) | 00257980 | 26/02/1998 | 25/05/2004 | Silver |
| GLENDURHAM LIMITED | 00639472 | 06/06/1991 | 22/07/2010 | Dissolved |
| NORTHERNMICRO DEVELOPMENTS LIMITED | 03252047 | 11/11/1997 | 20/04/2012 | Dissolved |
| PARK LANE AMERICA HOLDINGS LIMITED | 01389155 | 06/06/1991 | 23/02/2024 | Silver |
| SANDROYD SCHOOL TRUST LIMITED | 00552767 | 09/02/1992 | 18/11/1994 | Bronze |
| SILVERSTONE COLLEGE OF MOTORSPORT LIMITED | 04779759 | 30/09/2003 | 22/12/2004 | Gold |
| SILVERSTONE ESTATES LIMITED | 01013427 | 27/04/2000 | 20/06/2006 | Amber |
| SIR ROBERT MCALPINE (HOLDINGS) LIMITED | 02754943 | 18/01/1994 | 02/11/2015 | Bronze |
| SIR ROBERT MCALPINE LIMITED | 00566823 | 06/06/1992 | 02/11/2015 | Bronze |
| SIR ROBERT MCALPINE MANAGEMENT CONTRACTORS LIMITED | 01157770 | 06/06/1991 | 02/11/2015 | Not Trading |
| The Leeds Tec Ltd | 02543173 | 25/03/1998 | 26/03/2001 | Dissolved |