| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BHB ENTERPRISES LIMITED | 06124782 | 20/03/2008 | Dissolved |
| JOHN GOSDEN HOLDINGS LIMITED | 13188131 | 09/02/2021 | Silver |
| JOHN GOSDEN LIMITED | 10767434 | 12/05/2017 | Silver |
| JOHN GOSDEN RACING LLP | OC315929 | 01/11/2005 | Dissolved |
| NEWMARKET COMMEMORATION COMMITTEE LTD | 09704662 | 27/07/2015 | Strike Off |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GREAT BRITISH RACING LIMITED | 04444746 | 19/10/2009 | 28/02/2012 | Amber |
| NATIONAL HORSERACING MUSEUM(THE) | 01592031 | 16/04/2009 | 29/10/2020 | Silver |
| NEWMARKET BID LIMITED | 10158066 | 23/11/2017 | 19/06/2018 | Silver |
| PROGRESSIVE FARMING TRUST LIMITED | 01513190 | 19/10/2004 | 23/05/2011 | Amber |
| RACEHORSE OWNERS ASSOCIATION LIMITED(THE) | 00398604 | 22/07/1999 | 28/06/2016 | Amber |
| SAVE HISTORIC NEWMARKET LIMITED | 06743350 | 06/11/2008 | 30/01/2012 | Amber |
| THOROUGHBRED GRP LIMITED | 05848596 | 01/03/2012 | 28/06/2016 | One Red Flag |