| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERFORTH GEARED INCOME TRUST PLC | 07189761 | 15/10/2010 | 18/07/2017 | Dissolved |
| AMNITEC LIMITED | 00587472 | 14/12/2000 | 10/08/2004 | Gold |
| ARRAN ISLE HOLDINGS LIMITED | 00109354 | 12/03/2004 | 11/12/2006 | One Red Flag |
| ARRAN ISLE LIMITED | 07044474 | 18/11/2009 | 14/06/2013 | Silver |
| COLT GROUP LIMITED | 00905918 | 09/02/2000 | 07/06/2000 | Amber |
| EXYTE HARGREAVES LIMITED | 00288899 | 13/12/2000 | 25/04/2008 | Bronze |
| HARWORTH GROUP PLC | 02649340 | 01/06/2004 | 09/03/2006 | Gold |
| HEYWOOD WILLIAMS GROUP PLC | 05954792 | 03/10/2006 | 25/02/2010 | Dissolved |
| KE-BURGMANN UK LIMITED | 04500097 | 31/07/2002 | 27/09/2002 | Silver |
| KIN AND CARTA HOLDCO LIMITED | 01552113 | 02/08/1997 | 03/12/2003 | Silver |
| RLC (UK) LIMITED | 01195730 | 01/09/2013 | 31/12/2016 | Bronze |
| SENIOR ENGINEERING INVESTMENTS LIMITED | 00938893 | 19/05/2000 | 25/04/2008 | Gold |
| SENIOR PLC | 00282772 | 21/03/2000 | 25/04/2008 | Gold |
| SENIOR TRUSTEE LIMITED | 01997379 | 31/05/2000 | 16/01/2001 | Not Trading |
| SENIOR UK LIMITED | 01928053 | 14/12/2000 | 25/04/2008 | Bronze |
| SYNTHOMER PLC | 00098381 | 01/03/2009 | 28/06/2010 | Gold |
| Senior Engineering Investments Bv | FC023855 | 25/04/2002 | 25/04/2008 | Dissolved |