| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Adprotech Ltd | 03389395 | 31/01/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABBOTT VASCULAR DEVICES LIMITED | 01833264 | 24/05/1991 | 07/05/2002 | Amber |
| BIODEXA PHARMACEUTICALS (WALES) LIMITED | 04929486 | 01/10/2004 | 22/05/2006 | One Red Flag |
| BRAMBLE SELECT SERVICES PLC | SC211488 | 22/02/2001 | 24/08/2005 | Dissolved |
| Healthcare Ventures Ltd | 02986838 | 21/12/1994 | 28/06/2000 | Dissolved |
| INSIGHT INVESTMENT MANAGEMENT (GLOBAL) LIMITED | 00827982 | 15/06/1991 | 28/06/2000 | Gold |
| INTERNATIONAL BIOSCIENCE MANAGERS LIMITED | 03941645 | 02/03/2000 | 11/04/2002 | Gold |
| Insight Investment Management (International) Ltd | 01197760 | 29/05/1992 | 28/06/2000 | Dissolved |
| LIGAND UK DEVELOPMENT LIMITED | 02600483 | 15/04/1993 | 02/09/1998 | Silver |
| LIGAND UK GROUP LIMITED | 03137449 | 21/03/1996 | 15/02/2001 | Dissolved |
| ONCOCENE LIMITED | 02673800 | 16/03/1992 | 09/05/2001 | Dissolved |
| ROSETTA CAPITAL LIMITED | 03941653 | 02/03/2000 | 11/04/2002 | Gold |
| ROSETTA CAPITAL LIMITED | 03941653 | 02/03/2000 | 14/11/2008 | Gold |
| SILENCE THERAPEUTICS PLC | 02992058 | 11/07/2005 | 05/01/2010 | Amber |
| VIROGEN LIMITED | 03763129 | 07/08/2001 | 29/10/2002 | Dissolved |
| XENOVA RESEARCH LIMITED | 02270217 | 20/06/1992 | 09/05/2001 | Dissolved |