| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRITISH BIO-TECHNOLOGY LIMITED | 02888200 | 30/09/2009 | Dissolved |
| BRITISH BIOTECH (UK) LIMITED | 03364628 | 30/09/2009 | Dissolved |
| BRITISH BIOTECH INTERNATIONAL LIMITED | 03364625 | 30/09/2009 | Dissolved |
| BRITISH BIOTECH INVESTMENTS LIMITED | 02885276 | 30/09/2009 | Dissolved |
| BRITISH BIOTECH LIMITED | 02680511 | 30/09/2009 | Dissolved |
| BRITISH BIOTECH SERVICES LIMITED | 03364627 | 30/09/2009 | Dissolved |
| CEREBRUS LIMITED | 03931290 | 30/09/2009 | Dissolved |
| CEREXUS LIMITED | 03545600 | 30/09/2009 | Dissolved |
| IONIX PHARMACEUTICALS LIMITED | 04217756 | 30/09/2009 | Dissolved |
| RIBOTARGETS HOLDINGS LIMITED | 03339154 | 30/09/2009 | Dissolved |
| RIBOTARGETS LIMITED | 02899038 | 30/09/2009 | Dissolved |
| VANGUARD MEDICA LIMITED | 03547855 | 30/09/2009 | Dissolved |
| VERNALIS (CAMBRIDGE) LIMITED | 03219804 | 30/09/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LIGAND UK DEVELOPMENT LIMITED | 02600483 | 15/06/2009 | 12/10/2018 | Bronze |
| LIGAND UK GROUP LIMITED | 03137449 | 30/09/2009 | 12/10/2018 | Dissolved |
| LIGAND UK LIMITED | 02304992 | 29/12/2008 | 12/10/2018 | One Red Flag |
| LIGAND UK RESEARCH LIMITED | 03070163 | 30/09/2009 | 12/10/2018 | Dissolved |
| VERNALIS (R&D) LIMITED | 01985479 | 15/06/2009 | 12/10/2018 | Amber |