| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| British School Technology Trust | 02150897 | 28/07/1991 | Dissolved |
| Govett Global Smaller Companies Investment Trust Plc | 02896580 | 15/02/1994 | Dissolved |
| Midsummer Plc | 02293179 | 12/09/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASTRAZENECA PLC | 02723534 | 24/02/1993 | 12/05/1995 | Bronze |
| AURORA COMPUTER SERVICES LIMITED | 03623712 | 01/07/2000 | 15/10/2004 | Silver |
| CHIROSCIENCE GROUP LIMITED | 02837816 | 25/04/1995 | 30/09/1998 | Dissolved |
| HARWORTH GROUP PLC | 02649340 | 26/01/1993 | 01/10/1997 | Gold |
| IMPERIAL CHEMICAL INDUSTRIES LIMITED | 00218019 | 15/05/1992 | 01/06/1993 | Silver |
| IPSEN BIOPHARM LIMITED | 01653765 | 22/06/1991 | 30/11/1994 | Gold |
| U.K. CENTRE FOR ECONOMIC AND ENVIRONMENTAL DEVELOPMENT(THE) | 01811707 | 28/12/1991 | 09/07/1992 | Dissolved |