| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVENTIS PHARMA LIMITED | 01535640 | 17/05/1991 | 16/04/1993 | Silver |
| CENES DRUG DELIVERY LIMITED | SC131764 | 17/10/1996 | 23/01/1997 | Dissolved |
| DOWCHEMCO PENSION TRUST LIMITED | 00660262 | 31/10/1991 | 15/03/1993 | Dissolved |
| ECHO INTERNATIONAL HEALTH SERVICES LIMITED | 01059894 | 10/04/1997 | 22/06/2022 | Silver |
| LEND LEASE CONSTRUCTION TANVEC GROUP LIMITED | 03545605 | 29/09/1998 | 02/08/1999 | Dissolved |
| LIGAND UK LIMITED | 02304992 | 23/03/1993 | 30/09/1996 | One Red Flag |
| M D P (Holdings) Ltd | 01918363 | 31/05/1991 | 28/06/1993 | Dissolved |
| PAION HOLDINGS UK LIMITED | SC166791 | 23/01/1997 | 23/06/2008 | Bronze |
| PHARMOVATION LIMITED | 05062244 | 21/02/2005 | 25/10/2006 | Dissolved |
| VERNALIS (R&D) LIMITED | 01985479 | 23/03/1993 | 30/09/1996 | Amber |
| XENOVA LIMITED | 01970244 | 07/10/1996 | 21/07/2002 | Dissolved |