| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BINEXX.COM LIMITED | 03283132 | 01/03/2010 | Dissolved |
| CI MARKETS LIMITED | 04173096 | 01/03/2010 | Strike Off |
| CITY INDEX ACADEMY LIMITED | 08675024 | 03/09/2013 | Dissolved |
| CITY INDEX MARKET MAKERS LIMITED | 01763101 | 01/03/2010 | Strike Off |
| CITY INDEX RACING LIMITED | 02187599 | 01/03/2010 | Strike Off |
| CITY INDEX SPORTS BARS LIMITED | 03004259 | 01/03/2010 | Dissolved |
| CITY MARKETS LIMITED | 04150211 | 01/03/2010 | Strike Off |
| FINANCE INDEX LIMITED | 03283126 | 01/03/2010 | Strike Off |
| FINANCIAL SPREADS LIMITED | 04204673 | 01/03/2010 | Strike Off |
| GAIN CAPITAL - FOREX.COM UK LIMITED | 03770004 | 27/06/2016 | Dissolved |
| IFX GROUP LIMITED | 00853270 | 10/12/2013 | Dissolved |
| IFX INTERNATIONAL LIMITED | 00294984 | 01/03/2010 | Strike Off |
| IFX LTD | 04056815 | 01/03/2010 | Strike Off |
| IFX MARKETS LTD | 02876284 | 10/12/2013 | Dissolved |
| MARKET MAKER (UK) LIMITED | 04415188 | 01/03/2010 | Strike Off |
| Morse & Norris on-Line Ltd | 03902979 | 17/06/2004 | Dissolved |
| Perfect Storm (Nominees) Ltd | 05583218 | 05/10/2005 | Dissolved |
| Perfect Storm (Nominees) Ltd | 05583218 | 05/10/2005 | Dissolved |
| RONI FINANCIAL CONSULTING LTD | 13595958 | 01/09/2021 | Silver |
| SPORTSLINE LIMITED | 03709620 | 01/03/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLUE SQUARE (COURSE) LIMITED | 00941022 | 11/12/2003 | 26/02/2010 | Dissolved |
| GAIN CAPITAL HOLDINGS LTD | 02294980 | 01/03/2010 | 30/09/2021 | One Red Flag |
| GAIN CAPITAL UK LIMITED | 01761813 | 01/03/2010 | 30/09/2021 | Silver |
| IPGL NO.1 LTD | 06451019 | 01/03/2010 | 01/04/2015 | Silver |
| RANK DIGITAL LIMITED | 03796653 | 15/12/2000 | 26/02/2010 | Bronze |
| RANK INTERACTIVE DEVELOPMENT LIMITED | 03796656 | 03/05/2001 | 26/02/2010 | Dissolved |
| RANK INTERACTIVE GAMING LIMITED | 03669249 | 23/10/2008 | 26/02/2010 | Dissolved |