| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRS EDUCATION LIMITED | 08903538 | 29/02/2016 | Bronze |
| NEWMARKET HOUSING TRUST | 15775041 | 12/06/2024 | Amber |
| SAVE HISTORIC NEWMARKET LIMITED | 06743350 | 08/11/2008 | One Red Flag |
| SAVE HISTORIC NEWMARKET LIMITED | 06743350 | 08/11/2008 | One Red Flag |
| WADHAM RACING LIMITED | 05615265 | 08/11/2005 | One Red Flag |
| Wadham Ltd | 05333093 | 14/01/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH HORSERACING AUTHORITY LIMITED | 02813358 | 30/07/2010 | 30/11/2014 | Gold |
| DARLEY STUD MANAGEMENT COMPANY LIMITED | 01787659 | 01/04/1994 | 03/07/1998 | Silver |
| FEDERATION OF BLOODSTOCK AGENTS (G.B.) LIMITED | 01356417 | 30/04/1992 | 18/04/1995 | Gold |
| Newmarket Investment Management Ltd | 02498247 | 02/05/1992 | 31/03/1995 | Dissolved |
| Newmarket Investment Management Ltd | 02498247 | 02/05/1992 | 31/03/1995 | Dissolved |
| Newmarket Investments (Properties) Ltd | 01761396 | 17/10/1992 | 31/03/1995 | Dissolved |
| Newmarket Investments (Properties) Ltd | 01761396 | 17/10/1992 | 31/03/1995 | Dissolved |
| RACEHORSE OWNERS ASSOCIATION LIMITED(THE) | 00398604 | 25/06/2008 | 03/07/2018 | Amber |
| WADHAM RACING LIMITED | 05615265 | 08/11/2005 | 08/11/2005 | One Red Flag |