| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ashridge Management Research Group | 02406515 | 16/07/1991 | Dissolved |
| IARC SERVICES LIMITED | 02766995 | 23/12/1992 | Dissolved |
| National Westminster Bank Plc | NF002362 | 12/02/1981 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASHRIDGE EXECUTIVE & ORGANISATION DEVELOPMENT LIMITED | 01784086 | 16/07/1991 | 10/04/2002 | One Red Flag |
| ASHRIDGE STRATEGIC MANAGEMENT CENTRE | 02215761 | 16/07/1991 | 10/04/2002 | Dissolved |
| BRITISH AIRWAYS PLC | 01777777 | 31/07/1992 | 11/07/2000 | Bronze |
| BRITISH BEER & PUB ASSOCIATION | 01182734 | 25/12/1992 | 06/03/2000 | Silver |
| BRITISH EXECUTIVE SERVICE OVERSEAS | 01056119 | 22/10/1998 | 19/01/2000 | Dissolved |
| COREXE SOFTWARE LTD | 04220893 | 03/11/2001 | 10/02/2006 | Dissolved |
| DITCHLEY FOUNDATION(THE) | 00599389 | 23/06/1994 | 11/07/2009 | Gold |
| EMI GROUP LIMITED | 00229231 | 10/08/1992 | 16/07/1993 | Gold |
| EMI GROUP SENIOR EXECUTIVE PENSION SCHEME TRUSTEE LIMITED | 00427533 | 26/11/1992 | 16/07/1993 | Dissolved |
| HALCROW HOLDINGS LIMITED | 01674044 | 01/01/2000 | 31/12/2005 | One Red Flag |
| Independent Assessment & Research Centre | 00941065 | 16/07/1991 | 10/04/2002 | Dissolved |
| LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE | 00070527 | 19/12/1991 | 14/02/1995 | Gold |
| NATIONAL WESTMINSTER BANK PUBLIC LIMITED COMPANY | 00929027 | 01/05/1992 | 06/03/2000 | Gold |
| RENDCOMB COLLEGE | 05891198 | 31/07/2006 | 13/03/2010 | One Red Flag |
| ROYAL AGRICULTURAL UNIVERSITY | 00099168 | 22/06/1992 | 25/11/2005 | Silver |
| Rac Holdings Ltd | 03562032 | 04/02/1999 | 16/07/1999 | Dissolved |
| THE BOOTS COMPANY PLC | 00027657 | 24/03/1994 | 31/12/2000 | Gold |
| WHITBREAD GROUP PLC | 00029423 | 01/08/1992 | 20/06/2000 | Bronze |