| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARMSTRONG CENTRE COMPANY LIMITED(THE) | 02021951 | 23/05/2018 | Silver |
| ARMSTRONG WHITWORTH LIMITED | 03902773 | 06/01/2000 | Amber |
| Allmusic International Hoffnung Concerts Ltd | 01198802 | 04/12/1991 | Dissolved |
| Allmusic International Hoffnung Concerts Ltd | 01198802 | 04/12/1991 | Dissolved |
| BERGMANS RESEARCH LTD | 03909550 | 20/01/2000 | Dissolved |
| ELDON SQUARE COMPANY LIMITED | 05505806 | 25/05/2016 | One Red Flag |
| GREAT NORTH PROPERTIES LIMITED | 03290780 | 11/12/1996 | One Red Flag |
| Harrison Bergman Ltd. | 02295958 | 26/06/1991 | Dissolved |
| Harrison Bergman Ltd. | 02295958 | 26/06/1991 | Dissolved |
| International Aerospace & Defence Network Ltd | 03954982 | 24/03/2000 | Dissolved |
| MILLBANK FREEHOLDERS LIMITED | 06434218 | 22/11/2007 | Bronze |
| MILLBANK RESIDENTS MANAGEMENT LIMITED | 01919842 | 17/02/2004 | Silver |
| U.K. DEFENCE FORUM LIMITED | 03215913 | 24/06/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EDELMAN ASSOCIATES LIMITED | 01720297 | 30/06/2000 | 01/10/2009 | Dissolved |
| Great North Ltd | 02450422 | 07/12/1991 | 21/06/1993 | Dissolved |
| Great North Ltd | 02450422 | 07/12/1991 | 27/08/2004 | Dissolved |
| NORTH EAST IN EUROPE LIMITED | 04052668 | 03/01/2001 | 22/06/2002 | Dissolved |
| NORTH EAST IN EUROPE LIMITED | 04052668 | 31/07/2003 | 15/01/2007 | Dissolved |