| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Amstelco Ltd | 06662199 | 01/08/2008 | Dissolved |
| BURSON BUCHANAN LIMITED | 01499986 | 23/08/1992 | Silver |
| Binns Polhill Communications Ltd | 02131095 | 23/08/1992 | Dissolved |
| Choppertech Ltd | 03803862 | 08/07/1999 | Dissolved |
| Cockpit Holdings (Trustees) Limited | 02675953 | 22/05/1992 | Dissolved |
| Core Technology Venture Llp | OC302572 | 16/08/2002 | Dissolved |
| FANSZ SERVICES UK LIMITED | 09430046 | 09/02/2015 | Dissolved |
| Lombard Communications Limited | 02826769 | 01/07/1993 | Dissolved |
| QUILL COMMUNICATIONS LIMITED | 03907465 | 27/05/2011 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Bv Group Plc | 02142268 | 11/07/1992 | 29/07/1994 | Dissolved |
| COCKPIT HOLDINGS LIMITED | 02477051 | 05/03/1992 | 19/12/2002 | Gold |
| GREENFIELD BIO SOLUTIONS LIMITED | 13718807 | 07/02/2023 | 22/02/2023 | Gold |
| International Presentations Ltd | 03063358 | 05/02/1999 | 01/10/2002 | Dissolved |