| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBA UNDERWRITING LIMITED | 05775881 | 19/04/2013 | Dissolved |
| APOLLO MANAGEMENT (UK) LIMITED | 03034874 | 14/03/1995 | Dissolved |
| AU NO.2 LIMITED | 05942177 | 19/04/2013 | Dissolved |
| Adapt Care Management Services Limited | 02422621 | 31/08/1990 | Dissolved |
| Bedford Row Investments Ltd | 02317238 | 28/05/1991 | Dissolved |
| Bedford Row Investments Ltd | 02317238 | 28/05/1991 | Dissolved |
| Boca Research (U K) Ltd | 03257434 | 06/09/2000 | Dissolved |
| CARRIGMAY DEVELOPMENTS UK LIMITED | 06244634 | 06/07/2007 | Amber |
| Chrysler Rrpf (Uk) Ltd | 02190646 | 21/11/1996 | Dissolved |
| DIAGONAL UNDERWRITING AGENCY LIMITED | 05776071 | 19/04/2013 | Dissolved |
| Eassist.Com Uk Ltd | 04000055 | 01/07/2004 | Dissolved |
| IAG UK HOLDINGS LIMITED | 06012326 | 19/04/2013 | Dissolved |
| Je United Kingdom Ltd | 02173144 | 11/11/2004 | Dissolved |
| Je United Kingdom Ltd | 02173144 | 11/11/2004 | Dissolved |
| Keydata Media & Marketing 1 Partnership Llp | OC308423 | 18/11/2004 | Dissolved |
| MESOBLAST INTERNATIONAL (UK) LIMITED | 09630007 | 01/06/2016 | Dissolved |
| MESOBLAST UK LIMITED | 07596260 | 01/06/2016 | Gold |
| Operandi Holdings Ltd | 04007755 | 31/01/2001 | Dissolved |
| Operandi Uk Ltd | 04007749 | 31/01/2001 | Dissolved |
| PEAKSVILLE LIMITED | 03284872 | 06/12/1996 | Dissolved |
| Pancomm Ltd | 03073408 | 08/04/2005 | Dissolved |
| Richtok Ltd | 03115329 | 13/10/1995 | Dissolved |
| Rosestore Ltd | 02387237 | 22/05/1991 | Dissolved |
| Rosestore Ltd | 02387237 | 25/01/1993 | Dissolved |
| Sampson West Llp | OC301085 | 05/12/2001 | Dissolved |
| Tymain Ltd | 02930124 | 30/01/1995 | Dissolved |
| WESTMINER INTERNATIONAL (UK) LIMITED | 02974477 | 19/08/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCED MATHEMATICAL SOFTWARE LIMITED | 01380793 | 28/08/1991 | 06/02/1992 | Amber |
| BIOTAGE LIMITED | 03938925 | 03/03/2000 | 27/09/2000 | Dissolved |
| Dialback Ltd | 02578042 | 30/01/1993 | 29/02/1996 | Dissolved |
| Dialback Ltd | 02578042 | 30/01/1993 | 29/02/1996 | Dissolved |
| Exicom (U K) Ltd | 02956838 | 24/01/1995 | 26/04/1996 | Dissolved |
| SAMPSON WEST LLP | OC345074 | 21/04/2009 | 01/03/2019 | Dissolved |
| WESTMINER ACQUISITION (UK) LIMITED | 02989008 | 19/08/1997 | 01/08/2024 | One Red Flag |
| WSP HOLDING UK LIMITED | 08100508 | 11/06/2012 | 19/06/2014 | Silver |
| Westmin Talc (U.K.) | 01086118 | 10/04/1997 | 01/08/2001 | Dissolved |