| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DRUG DEVELOPMENT SOLUTIONS LIMITED | SC078350 | 28/10/2005 | Dissolved |
| Drug Development Solutions (Holdings) Ltd | SC278124 | 28/10/2005 | Dissolved |
| SARISSA BIOMEDICAL LIMITED | 04581254 | 22/08/2017 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AXIS-SHIELD DIAGNOSTICS LIMITED | SC077359 | 28/05/1991 | 13/12/2011 | Gold |
| AXIS-SHIELD LIMITED | SC145200 | 25/06/1993 | 27/05/1999 | Gold |
| B I V D A LIMITED | 02687137 | 23/11/1999 | 06/11/2000 | Silver |
| B I V D A LIMITED | 02687137 | 07/02/1992 | 31/12/1996 | Silver |
| GAMBICA ASSOCIATION LIMITED(THE) | 01583204 | 04/05/1991 | 27/01/1993 | Silver |
| Guardian Laboratories Ltd | 02418614 | 09/03/1998 | 17/11/2000 | Dissolved |
| PLATFORM DIAGNOSTICS LIMITED | 04543484 | 31/03/2004 | 20/10/2005 | Not Trading |
| PROBE SCIENTIFIC LIMITED | 03598449 | 01/12/2007 | 31/10/2019 | Dissolved |
| Porton Cambridge Ltd | 01680771 | 12/05/1994 | 17/11/2000 | Dissolved |
| The Diagnostics Club Ltd | 02616238 | 12/08/1991 | 30/09/1992 | Dissolved |