| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BLACKMORE VALE ESTATES LIMITED | 05741907 | 14/03/2006 | Dissolved |
| MELCHESTER ASSOCIATES LTD | 05631908 | 22/11/2005 | Dissolved |
| Westland Overseas Ltd | 01588018 | 30/06/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AEROSYSTEMS INTERNATIONAL LIMITED | 01001553 | 12/06/1992 | 11/02/2004 | Dissolved |
| AGUSTAWESTLAND HOLDINGS LIMITED | 03960805 | 12/12/2001 | 30/11/2004 | Dissolved |
| AGUSTAWESTLAND INTERNATIONAL LIMITED | 01499533 | 22/01/1991 | 01/11/2000 | Amber |
| AGUSTAWESTLAND LIMITED | 00604352 | 18/01/1993 | 31/12/2004 | Gold |
| BRUSH HOLDINGS LIMITED | 00164945 | 07/02/2006 | 01/07/2008 | Gold |
| CROWN AND DOLPHIN ENTERPRISES LIMITED | 05945177 | 25/11/2016 | 30/06/2019 | One Red Flag |
| KING'S SCHOOL, BRUTON | 03304693 | 15/09/2005 | 29/06/2019 | Silver |
| KNDS UK HOLDINGS LIMITED | 05801100 | 01/07/2007 | 22/05/2012 | Gold |
| SOCIETY OF BRITISH AEROSPACE COMPANIES (THE) | 00143447 | 14/06/2000 | 31/12/2004 | Dissolved |
| SOMERSET COMMUNITY FOUNDATION | 04530979 | 16/05/2006 | 13/08/2008 | Silver |
| UK COUNCIL FOR ELECTRONIC BUSINESS | 02971100 | 25/01/1999 | 21/02/2000 | Silver |
| WESTLAND GROUP PLC | 00302632 | 06/12/1993 | 19/10/2001 | Amber |
| WESTLAND TRANSMISSIONS LIMITED | 00624388 | 09/12/2002 | 30/11/2004 | Strike Off |