| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AEROMEGA LIMITED | 02245581 | 17/03/2009 | Dissolved |
| AIRTASK LIMITED | 03725596 | 17/03/2009 | Dissolved |
| CHASECOM LIMITED | 02444454 | 20/11/1991 | Dissolved |
| CHASECOM LIMITED | 02444454 | 20/11/1991 | Dissolved |
| DIRECTFLIGHT LIMITED | 01762483 | 17/03/2009 | Gold |
| Guidestar Ltd | 03173200 | 01/11/2001 | Dissolved |
| Northdoor Computer Co Ltd | 01572160 | 11/11/1991 | Dissolved |
| Northdoor Networks Ltd | 02262065 | 01/11/1991 | Dissolved |
| Northdoor Systems Ltd | 02337475 | 23/01/1992 | Dissolved |
| O D B Underwriting Agency Ltd | 03232843 | 06/09/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRTASK GROUP LIMITED | 01466911 | 17/03/2009 | 20/08/2010 | Silver |
| CAMBRIDGE HELICOPTERS LIMITED | 03284511 | 17/03/2009 | 01/10/2015 | Dissolved |
| Dp Mann Corporate Name Ltd | 02982388 | 15/11/1994 | 31/12/1997 | Dissolved |
| FARADAY CAPITAL LIMITED | 02982540 | 15/11/1994 | 31/12/1997 | Bronze |
| FARADAY HOLDINGS LIMITED | 02636078 | 02/09/1991 | 22/12/1992 | Silver |
| FARADAY HOLDINGS LIMITED | 02636078 | 22/12/1993 | 18/11/1996 | Silver |
| FARADAY UNDERWRITING LIMITED | 01682486 | 05/12/1991 | 04/02/1992 | Silver |
| FARADAY UNDERWRITING LIMITED | 01682486 | 01/01/1997 | 25/04/2002 | Silver |
| GRF SERVICES LIMITED | 02841906 | 10/02/1994 | 08/07/1999 | Bronze |
| Northdoor Networks Ltd | 02262065 | 01/11/1991 | 01/02/1992 | Dissolved |
| Northdoor Systems Ltd | 02337475 | 23/01/1992 | 01/02/1992 | Dissolved |
| Pembroke Ltd | 03334485 | 26/03/1997 | 30/06/2005 | Dissolved |