| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBA UNDERWRITING LIMITED | 05775881 | 19/04/2013 | Dissolved |
| AU NO.2 LIMITED | 05942177 | 19/04/2013 | Dissolved |
| Boca Research (U K) Ltd | 03257434 | 23/10/1996 | Dissolved |
| CARRIGMAY DEVELOPMENTS UK LIMITED | 06244634 | 06/07/2007 | Amber |
| Creative Research Solutions Ltd | 03284876 | 19/10/1999 | Dissolved |
| DIAGONAL UNDERWRITING AGENCY LIMITED | 05776071 | 19/04/2013 | Dissolved |
| De Courcy,Anne,Ltd | 02016938 | 27/01/1999 | Dissolved |
| Eassist.Com Uk Ltd | 04000055 | 24/09/2004 | Dissolved |
| IAG UK HOLDINGS LIMITED | 06012326 | 19/04/2013 | Dissolved |
| Keydata Media & Marketing 1 Partnership Llp | OC308423 | 18/11/2004 | Dissolved |
| MESOBLAST INTERNATIONAL (UK) LIMITED | 09630007 | 04/05/2016 | Dissolved |
| MESOBLAST UK LIMITED | 07596260 | 04/05/2016 | Gold |
| PEAKSVILLE LIMITED | 03284872 | 06/12/1996 | Dissolved |
| Richtok Ltd | 03115329 | 13/10/1995 | Dissolved |
| SAMPSON WEST AND CHRISTO LTD | 06885009 | 22/04/2009 | 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 |
|---|---|---|---|---|
| CRESTLEIGH LIMITED | 07693568 | 04/06/2013 | 21/07/2021 | Dissolved |
| Creative Research Solutions Ltd | 03284876 | 12/12/1996 | 17/08/1999 | Dissolved |
| Dialback Ltd | 02578042 | 24/04/1998 | 30/09/2002 | Dissolved |
| Exicom (U K) Ltd | 02956838 | 24/01/1995 | 26/04/1996 | Dissolved |
| GLOBAL 360 UK, LTD | 04142383 | 11/05/2001 | 08/08/2007 | Dissolved |
| PIXEL UNITED HOLDINGS LIMITED | 10896315 | 19/11/2018 | 29/09/2021 | Bronze |
| PROFOTO LIMITED | 05842094 | 17/12/2007 | 03/06/2009 | Silver |
| SAMPSON WEST LLP | OC345074 | 21/04/2009 | 01/03/2019 | Dissolved |
| SAMPSON WEST LTD | 06885229 | 23/04/2009 | 01/03/2019 | Not Trading |
| WESTMINER ACQUISITION (UK) LIMITED | 02989008 | 19/08/1997 | 01/08/2024 | Amber |
| WSP HOLDING UK LIMITED | 08100508 | 11/06/2012 | 19/06/2014 | Silver |
| Westmin Talc (U.K.) | 01086118 | 23/08/2001 | 28/02/2004 | Dissolved |