| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Charterhouse Communications Plc | 03242649 | 22/05/1998 | Dissolved |
| EDX LONDON LIMITED | 04567917 | 24/06/2003 | Dissolved |
| TURQUOISE GLOBAL HOLDINGS LIMITED | 07102717 | 17/02/2010 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALZHEIMER'S RESEARCH UK | 03681291 | 10/01/2001 | 17/09/2014 | Gold |
| BAIKAL GLOBAL LIMITED | 06630018 | 25/06/2009 | 18/06/2010 | Dissolved |
| CREDIT AGRICOLE CIB UK IH | 00378410 | 22/06/1992 | 13/11/1998 | Dissolved |
| CREDIT LYONNAIS ROUSE DERIVATIVES PLC | 02770731 | 10/12/1992 | 20/12/1996 | Dissolved |
| CREDIT LYONNAIS ROUSE LIMITED | 00106300 | 06/11/1992 | 30/06/2005 | Dissolved |
| Cl Venture Finance (U.K.) Ltd | 00952701 | 05/01/1995 | 29/03/1996 | Dissolved |
| FINANCIAL SKILLS PARTNERSHIP | 05062317 | 17/03/2004 | 24/05/2010 | Dissolved |
| INTERNATIONAL FINANCIAL SERVICES LONDON | 02013925 | 07/06/1998 | 12/12/2006 | Dissolved |
| Internet Security Plc | 03652866 | 20/10/1998 | 02/07/2001 | Dissolved |
| NYMEX EUROPE EXCHANGE HOLDINGS LIMITED | 05206804 | 11/08/2005 | 21/05/2007 | Dissolved |
| Nymex Europe Ltd | 05403920 | 16/08/2005 | 21/05/2007 | Dissolved |
| REFAL 561 LIMITED | 03790689 | 19/05/2000 | 24/03/2003 | Dissolved |
| TURQUOISE SERVICES LIMITED | 06132421 | 17/02/2010 | 30/06/2011 | Dissolved |
| TURQUOISE TRADING LIMITED | 06132425 | 17/02/2010 | 10/11/2010 | Dissolved |