| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BINKS AND BINKS MANAGEMENT SERVICES LIMITED | 06862081 | 28/03/2009 | Dissolved |
| Botiga Holdings Ltd | 06279611 | 27/09/2007 | Dissolved |
| JDX QUANT LIMITED | 08415287 | 19/03/2013 | Dissolved |
| JTB RESEARCH LIMITED | 07215273 | 26/04/2010 | Dissolved |
| Onebrowser Ltd | 03756869 | 02/05/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARTEON PLC | 06414868 | 07/11/2007 | 22/01/2009 | Dissolved |
| BLACKPEAK CAPITAL LLP | OC365959 | 27/06/2011 | 27/07/2013 | Dissolved |
| CHEMICAL BANK (UK) PENSION TRUSTEE LIMITED | 02715435 | 09/07/1992 | 01/08/1994 | Not Trading |
| CI MARKETS LIMITED | 04173096 | 08/11/2005 | 23/02/2009 | Strike Off |
| CITY INDEX MARKET MAKERS LIMITED | 01763101 | 29/08/2008 | 23/02/2009 | Strike Off |
| CITY INDEX RACING LIMITED | 02187599 | 08/11/2005 | 23/02/2009 | Strike Off |
| CITY INDEX SPORTS BARS LIMITED | 03004259 | 08/11/2005 | 23/02/2009 | Dissolved |
| CITY MARKETS LIMITED | 04150211 | 08/11/2005 | 23/02/2009 | Strike Off |
| EBIX EUROPE LIMITED | 03909745 | 03/05/2007 | 18/12/2008 | Bronze |
| FINANCE INDEX LIMITED | 03283126 | 08/11/2005 | 23/02/2009 | Strike Off |
| GAIN CAPITAL HOLDINGS LTD | 02294980 | 04/05/2006 | 16/12/2008 | One Red Flag |
| GAIN CAPITAL UK LIMITED | 01761813 | 12/12/2005 | 24/11/2006 | Silver |
| GHX STYLE LIMITED | 11622850 | 15/10/2018 | 05/05/2021 | Dissolved |
| GLOBAL RESEARCH AND CONSULTING LIMITED | 03421010 | 01/03/2000 | 28/11/2012 | Dissolved |
| IFX GROUP LIMITED | 00853270 | 07/09/2006 | 16/12/2008 | Dissolved |
| INTERCAPITAL CLEARING LIMITED | 03104640 | 02/10/2007 | 22/01/2009 | Dissolved |
| IPGL LIMITED | 02011009 | 07/11/2005 | 22/01/2009 | Silver |
| IPGL NO.1 LTD | 06451019 | 13/12/2007 | 17/12/2008 | Silver |
| IPGL NO.11 LTD | 02524218 | 30/08/2007 | 22/01/2009 | Bronze |
| IPGL NO.3 LTD | 03783810 | 29/09/2006 | 22/01/2009 | Dissolved |
| IPGL NO.4 LTD | 06315700 | 17/07/2007 | 22/01/2009 | One Red Flag |
| IPGL NO.5 LTD | 06116842 | 20/02/2007 | 22/01/2009 | Dissolved |
| IPGL NO.8 LTD | 02950065 | 11/12/2007 | 22/01/2009 | Dissolved |
| IPGL NO.9 LTD | 06031808 | 18/12/2006 | 22/01/2009 | Dissolved |
| Icor Brokerage Ltd | 04267287 | 08/08/2002 | 31/10/2005 | Dissolved |
| J.P. MORGAN EUROPE LIMITED | 00938937 | 18/06/1992 | 01/08/1994 | Silver |
| JDX CONSULTING LIMITED | 07187465 | 03/12/2012 | 16/05/2018 | One Red Flag |
| OXYGEN HOLDINGS PLC | 05167938 | 20/09/2007 | 15/07/2015 | Insolvent |
| OXYGEN INSURANCE SERVICES LIMITED | 05172187 | 20/09/2007 | 15/07/2015 | Dissolved |
| PGI ORIGIN HOLDING COMPANY LTD | 03053842 | 14/12/2006 | 22/01/2009 | Silver |
| REFINITIV TRANSACTION SERVICES LIMITED | 02089076 | 14/02/2003 | 18/04/2005 | Gold |
| SIRAI MANAGEMENT LTD | 06116831 | 20/02/2007 | 22/01/2009 | Silver |
| SPORTSLINE LIMITED | 03709620 | 31/10/2006 | 23/02/2009 | Dissolved |
| SPREADBET LIMITED | 03206466 | 08/11/2005 | 22/01/2009 | Dissolved |
| STANDARD CHARTERED CAPITAL MARKETS LIMITED | 01049020 | 14/07/1995 | 02/02/1996 | Dissolved |
| WILSCO 703 LIMITED | 04069082 | 21/03/2006 | 10/07/2009 | Dissolved |