| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A & R Bloodstock Ltd | 02510258 | 31/12/1994 | Dissolved |
| ACADEMY OF NUTRITIONAL MEDICINE LTD | 05446092 | 06/05/2005 | Silver |
| ARGENTO CONFERENCES LTD | 05324047 | 05/01/2005 | Dissolved |
| AWA (BLOODSTOCK) LIMITED | 04020884 | 16/07/2004 | Dissolved |
| Asasas Ltd | 06087108 | 06/02/2007 | Dissolved |
| Biosoma Ltd | 05535264 | 12/08/2005 | Dissolved |
| C L R (ELECTRICAL) LTD | 04583433 | 06/11/2002 | Dissolved |
| CAMBRIDGE BLUE LTD | 05446090 | 06/05/2005 | Silver |
| CHALKE CONSULTANCY LTD | 06788977 | 12/01/2009 | Gold |
| COTSWOLD RACING ENTERPRISE LTD | 06727371 | 20/10/2008 | Dissolved |
| COTSWOLD RACING LTD | 06390812 | 04/10/2007 | Dissolved |
| Delta Bloodstock Ltd | 03502942 | 03/02/1998 | Dissolved |
| ELITE CHAUFFEURING SERVICES LIMITED | 05821637 | 18/05/2006 | Dissolved |
| Equistock Ltd | 01353461 | 15/07/2008 | Dissolved |
| Frames Etc. Ltd | 05585263 | 06/10/2005 | Dissolved |
| Henry Cecil Sponsorship Ltd. | 03185274 | 12/04/1996 | Dissolved |
| JANET COLLIER LTD | 06231551 | 30/04/2007 | Dissolved |
| JENNY URWIN MEDIA LTD | 05342863 | 26/01/2005 | Dissolved |
| JOHN MCGREGOR LTD | 04512730 | 15/08/2002 | Bronze |
| Jane Jamison Ltd | 04672019 | 01/02/2008 | Dissolved |
| Lionwall Ltd | 03037191 | 01/04/2000 | Dissolved |
| MEL COLLIER LTD. | 04221516 | 20/03/2003 | Dissolved |
| Newmarket Maintenance Ltd | 04932082 | 14/10/2003 | Dissolved |
| RACING 4 PROFIT LTD | 03433953 | 09/09/1997 | Amber |
| RED CIRCLE PROPERTIES LTD | 05940153 | 19/09/2006 | Dissolved |
| SALLY HINDLEY ASSOCIATES LTD | 04471081 | 27/06/2002 | One Red Flag |
| SPEERS BLOODSTOCK LTD | 05914679 | 23/08/2006 | Dissolved |
| Sylvia Thomson Ltd | 04482391 | 01/08/2002 | Dissolved |
| Team Hannon Sponsorship Ltd | 02980280 | 18/10/1994 | Dissolved |
| The Baked Potato Co Ltd | 01814041 | 23/01/1996 | Dissolved |
| The Baked Potato Co Ltd | 01814041 | 01/04/2000 | Dissolved |
| Town & Country Bloodstock Ltd | 05963831 | 11/10/2006 | Dissolved |
| Triple M Bloodstock Ltd | 03059445 | 22/05/1995 | Dissolved |
| Webster & Webster Ltd | 03594845 | 08/07/1998 | Dissolved |
| in De Kelder Music Ltd | 05806334 | 04/05/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALLAN COOK ASSOCIATES LTD | 04483288 | 11/07/2002 | 01/11/2002 | Dissolved |
| ARGENTO CONFERENCES LTD | 05324047 | 05/01/2005 | 21/12/2005 | Dissolved |
| AWA (BLOODSTOCK) LIMITED | 04020884 | 01/11/2004 | 01/11/2004 | Dissolved |
| Decorum Interiors Ltd | 04512838 | 16/08/2002 | 10/09/2004 | Dissolved |
| EQUINE ENTERPRISES LIMITED | 07009979 | 04/09/2009 | 07/02/2011 | Dissolved |
| GREEN DUCK LTD | 04958553 | 10/11/2003 | 13/08/2013 | Gold |
| Jane Jamison Ltd | 04672019 | 20/02/2003 | 27/11/2003 | Dissolved |
| NAUTILUS (TRAINING & MANAGEMENT) LTD | 05568447 | 20/09/2005 | 09/12/2019 | Bronze |
| NUMERICAL GEOMETRY LTD. | 02993314 | 13/12/1996 | 25/10/2000 | Dissolved |