| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aske Hall Ltd | 03569457 | 22/05/1998 | Dissolved |
| Doncaster Racecourse Ltd | 03014343 | 20/06/1995 | Dissolved |
| Northern Thoroughbreds Ltd | 04165119 | 04/05/2001 | Dissolved |
| Racing Five Ltd | 01637298 | 31/12/1990 | Dissolved |
| Seahorse Cleveland Ltd | 05131869 | 18/05/2004 | Dissolved |
| Seahorse Group Ltd | 03956515 | 12/05/2000 | Dissolved |
| The Barony Fishing Co Ltd | SC062281 | 09/11/1988 | Dissolved |
| Tocketts Mill Developments Ltd | 01152396 | 30/04/1991 | Dissolved |
| Tocketts Mill Developments Ltd | 01152396 | 30/04/1991 | Dissolved |
| VOLTIGEUR INTERNATIONAL LIMITED | 05131904 | 19/05/2004 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AINTREE RACECOURSE COMPANY LIMITED | 01612616 | 16/05/1991 | 13/05/1994 | Silver |
| BRITISH HORSERACING AUTHORITY LIMITED | 02813358 | 07/06/1993 | 06/06/1997 | Silver |
| CATHEDRAL CHOIR SCHOOL RIPON LIMITED(THE) | 00707300 | 21/12/1991 | 27/07/2000 | Dissolved |
| CATTERICK RACECOURSE COMPANY LIMITED(THE) | 00188739 | 20/10/1991 | 10/09/2014 | Bronze |
| EAST CLEVELAND M.S. HOME | 02152724 | 13/12/1991 | 19/10/2012 | Silver |
| INTERNATIONAL CHALLENGE RACING LIMITED | 03573256 | 17/07/1998 | 16/03/1999 | Amber |
| INTERNATIONAL RACECOURSE MANAGEMENT LIMITED | 02579350 | 01/02/1991 | 10/10/2006 | Gold |
| The Richmond Economic Development Strategy Project Ltd | 03181170 | 01/04/1997 | 08/09/2004 | Dissolved |