| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EXTREME ENTERTAINMENT NETWORK LIMITED | 03859143 | 14/10/1999 | Dissolved |
| EXTREME GROUP LIMITED | 03955179 | 23/03/2000 | Amber |
| EXTREME HOTELS WORLDWIDE LIMITED | 05588652 | 11/10/2005 | Dissolved |
| EXTREME INTERNATIONAL LIMITED | 03125492 | 14/11/1995 | Silver |
| Exasc Ltd | 04546938 | 09/10/2002 | Dissolved |
| Extreme Entertainment Ltd | 04146364 | 23/01/2001 | Dissolved |
| Extreme Events World Ltd | 04046406 | 03/08/2000 | Dissolved |
| Smt Group Ltd | 05362734 | 14/02/2005 | Dissolved |
| Temporary Co Ltd | 03752205 | 14/04/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Caspra Co Ltd | 03570353 | 26/05/1998 | 17/07/1998 | Dissolved |
| EXPERIENCE DAYS LTD | 06067207 | 28/01/2007 | 29/07/2011 | Amber |
| EXTREME INNOVATIONS LIMITED | 05863205 | 01/07/2006 | 28/02/2011 | Dissolved |
| EXTREME MOBILE LIMITED | 05257694 | 12/10/2004 | 21/03/2007 | Dissolved |
| EXTREME SPORT BUSINESS LIMITED | 04641105 | 20/01/2003 | 12/06/2003 | Bronze |
| Extreme Networks (Europe) Ltd | 04058404 | 23/08/2000 | 11/10/2005 | Dissolved |
| Extreme Shops Ltd | 05172614 | 19/07/2004 | 25/06/2006 | Dissolved |
| GINX ENTERTAINMENT LIMITED | 04371804 | 12/02/2002 | 26/10/2007 | Dissolved |
| MYOPTIQUE GROUP LTD | 05139004 | 15/06/2006 | 18/07/2007 | One Red Flag |
| NOVEMBER UNIFORM TRAVEL SYNDICATE LIMITED | 03048847 | 05/06/2013 | 01/06/2021 | Strike Off |
| WOKKA SPIRITS LIMITED | 04024166 | 30/06/2000 | 19/05/2013 | Silver |