| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUTTERCROSS INVESTMENTS LTD | 09973033 | 29/03/2017 | Dissolved |
| FAIRFIELD INNOVATION LIMITED | 13462683 | 17/06/2021 | Not Trading |
| GRAY HILLS & CO LTD | 03249872 | 01/10/1996 | Amber |
| London Strategy Group Ltd | 03074275 | 23/01/1997 | Dissolved |
| Southover Ltd | 03070623 | 23/01/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BECKPHARMA LIMITED | 04985185 | 25/11/2004 | 21/09/2005 | Dissolved |
| BURROUGHS WELLCOME INTERNATIONAL LIMITED | 00543757 | 29/11/1992 | 31/07/1994 | Silver |
| CELSIS INTERNATIONAL LIMITED | 02829052 | 17/06/1993 | 18/02/1997 | Strike Off |
| CELSIS LIMITED | 02695296 | 28/05/1993 | 18/02/1997 | Silver |
| DIAGNOLOGY LIMITED | NI029672 | 22/06/1995 | 20/08/1999 | Dissolved |
| HEALTHCARE BRANDS INTERNATIONAL LIMITED | 06764071 | 02/12/2008 | 16/06/2011 | Dissolved |
| JAZZ PHARMACEUTICALS UK LIMITED | 04555273 | 10/09/2004 | 07/07/2006 | Silver |
| LEGACY PLC | 03694926 | 17/03/2000 | 31/10/2002 | Amber |
| SINFONIA SMITH SQUARE | 04335616 | 21/02/2008 | 26/09/2010 | Silver |
| SOUTH BUCKS HOSPICE (TRADING COMPANY) LIMITED | 02892203 | 15/05/1998 | 20/01/2003 | Not Trading |
| WELLCOME FOUNDATION LIMITED(THE) | 00194814 | 29/01/1993 | 31/07/1994 | Bronze |
| WELLCOME LIMITED | 01955498 | 29/01/1993 | 31/07/1994 | Gold |