| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cairnmark Ltd | 01359748 | 24/05/1991 | Dissolved |
| Greenham Common Management Ltd | 03132039 | 26/02/1996 | Dissolved |
| The Sculpture Co Ltd | 02817292 | 06/09/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3T ADDITIVE MANUFACTURING LIMITED | 03333366 | 07/04/1997 | 08/12/1998 | Amber |
| ANITE LIMITED | 01798114 | 28/11/1992 | 12/07/1993 | Gold |
| ANITE PROPERTIES LIMITED | 00564653 | 28/11/1992 | 12/07/1993 | Dissolved |
| Alron Microconsultants Ltd | SC060668 | 28/07/1988 | 27/07/1989 | Dissolved |
| CLASSIC FM LIMITED | 02622707 | 03/10/1991 | 09/06/2008 | Silver |
| CLOSE INVESTMENT LIMITED | 02690842 | 27/01/1995 | 03/06/1997 | Dissolved |
| GLOBAL RADIO LIMITED | 00923454 | 09/05/2005 | 06/06/2008 | Silver |
| GREENHAM TRUST LTD | 03340350 | 24/03/1997 | 04/06/2024 | Silver |
| GWR GROUP LIMITED | 00715143 | 04/02/1997 | 09/05/2005 | Silver |
| Jpj Holdings Limited | 02362063 | 16/03/1991 | 16/03/1994 | Dissolved |
| THE PELICAN CANCER FOUNDATION | 07264864 | 25/05/2010 | 18/07/2018 | Gold |