| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASSOCIATION FOR CULTURAL EXCHANGE LIMITED(THE) | 00604757 | 29/07/2023 | Gold |
| Animal Biotechnology Cambridge Ltd | 01934712 | 12/04/1991 | Dissolved |
| Hennell Holdings Ltd | 02173748 | 18/09/1991 | Dissolved |
| NOBACZ HEALTHCARE LIMITED | 12365096 | 21/07/2022 | Silver |
| Nucleus Biomed Advisers Llp | OC328710 | 31/05/2007 | Dissolved |
| Q-Tis Pharmaceuticals Ltd | 06631644 | 26/06/2008 | Dissolved |
| THE MANCHESTER CENTRE FOR SKIN HEALTH LIMITED | 07348871 | 18/08/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAMBRIDGEBPI LIMITED | 12322075 | 27/10/2020 | 16/11/2024 | Gold |
| CATALYST BIOMEDICA LIMITED | 03443126 | 22/01/1999 | 11/05/2003 | Dissolved |
| CHAIN BIOTECHNOLOGY LIMITED | 08841562 | 22/06/2017 | 17/09/2021 | Amber |
| CHIROSCIENCE GROUP LIMITED | 02837816 | 04/08/1995 | 03/06/1998 | Dissolved |
| CHIROTECH TECHNOLOGY LIMITED | 02667953 | 03/12/1992 | 26/01/1994 | Dissolved |
| COLORIFIX LIMITED | 10051398 | 25/01/2019 | 01/02/2022 | Amber |
| CRESSET BIOMOLECULAR DISCOVERY LIMITED | 04151475 | 01/09/2002 | 20/12/2006 | Silver |
| CUTEST SYSTEMS LIMITED | 01786293 | 21/12/2009 | 01/05/2010 | Gold |
| HENNELL LIMITED | 02536155 | 18/09/1991 | 27/01/1994 | Gold |
| Jazz East | 03541097 | 22/02/1999 | 14/01/2000 | Dissolved |
| L3 TECHNOLOGY LIMITED | 04242731 | 09/09/2011 | 01/12/2016 | Dissolved |
| PHARMENABLE THERAPEUTICS LIMITED | 10430444 | 29/04/2020 | 15/01/2025 | Silver |
| POLYCLONAL ANTIBODIES LIMITED | 01726400 | 24/06/1991 | 10/06/1994 | Dissolved |
| REACTA BIOTECH LIMITED | 08553682 | 03/06/2013 | 22/02/2017 | Amber |
| REDX PHARMA LIMITED | 07368089 | 18/10/2010 | 20/04/2017 | Gold |
| RYBAR LABORATORIES LIMITED | 00366644 | 09/07/1992 | 26/10/1994 | Dissolved |
| SHIRE PHARMACEUTICAL DEVELOPMENT LIMITED | 02486738 | 30/05/1991 | 27/10/1993 | Dissolved |
| SHIRE PHARMACEUTICAL DEVELOPMENT LIMITED | 02486738 | 30/05/1991 | 15/02/1996 | Dissolved |
| SHIRE PHARMACEUTICALS LIMITED | 02031674 | 05/12/1991 | 15/02/1996 | Gold |
| ST. JAMES'S ASSET MANAGEMENT LLP | OC311809 | 12/08/2005 | 28/11/2008 | Strike Off |
| Schroder Venture Life Sciences Advisers (U K) Ltd | 02763061 | 13/07/1994 | 30/11/1998 | Dissolved |