| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Buchan Wind Ltd | SC290116 | 30/11/2005 | Dissolved |
| EPWELL SOLAR LIMITED | 08012180 | 29/03/2012 | Dissolved |
| GOLDTOUCH ENERGY LIMITED | 08012377 | 29/03/2012 | One Red Flag |
| GREENTOUCH ENERGY LIMITED | 08012520 | 29/03/2012 | Dissolved |
| Gael Power Ltd | SC292877 | 09/12/2005 | Dissolved |
| ITI NRG LIMITED | 08791815 | 27/11/2013 | One Red Flag |
| ITI POWER (WILTON) LIMITED | 06323966 | 05/09/2014 | Dissolved |
| NORTH SEA GAS LIMITED | 02651748 | 24/10/2002 | Dissolved |
| TOUCHGOLD LIMITED | 06367143 | 11/09/2007 | Bronze |
| TOUCHGREEN ENERGY LIMITED | 08012373 | 29/03/2012 | Dissolved |
| VIRGIN GAS LIMITED | 03178339 | 27/07/2005 | Dissolved |
| WARWICK AGGREGATED GENERATION LIMITED | 04418878 | 17/04/2002 | Dissolved |
| WARWICK ENERGY (GREEN POWER) LIMITED | 04181080 | 16/03/2001 | Dissolved |
| WARWICK ENERGY (PYEBRIDGE) LIMITED | 05035638 | 05/02/2004 | Dissolved |
| WARWICK ENERGY (TRUMFLEET) LIMITED | 05026745 | 27/01/2004 | Dissolved |
| WARWICK ENERGY EXPLORATION AND PRODUCTION LIMITED | 04148730 | 31/03/2001 | Silver |
| WARWICK ENERGY EXPLORATION LIMITED | 04148181 | 31/03/2001 | Dissolved |
| WARWICK ENERGY IP LIMITED | 08791767 | 27/11/2013 | Dissolved |
| WARWICK ENERGY LIMITED | 04095285 | 08/02/2001 | Silver |
| WARWICK ENERGY SERVICES LIMITED | 04418885 | 17/04/2002 | Dissolved |
| WARWICK GAS STORES LIMITED | 05657107 | 19/12/2005 | Dissolved |
| WARWICK INTEGRATED METHANE PRODUCTION LIMITED | 04181176 | 16/03/2001 | Dissolved |
| WARWICK ONSHORE EXPLORATION LIMITED | 04148196 | 31/03/2001 | Dissolved |
| WATERLOO OFFSHORE WIND LIMITED | 04418913 | 17/04/2002 | Dissolved |
| Warwick Energy (Caythorpe) Ltd | 05026835 | 27/01/2004 | Dissolved |
| Warwick Energy (Elswick) Ltd | 05026738 | 27/01/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAYTHORPE GAS STORAGE LIMITED | 05283117 | 10/11/2004 | 08/09/2008 | Amber |
| DUDGEON OFFSHORE TRANSMISSION INFRASTRUCTURE LIMITED | 06047350 | 10/01/2007 | 16/10/2012 | Dissolved |
| DUDGEON OFFSHORE WIND LIMITED | 04418909 | 17/04/2002 | 16/10/2012 | Silver |
| GB DEVELOPERS LIMITED | 04480584 | 09/07/2002 | 11/11/2009 | Gold |
| WARWICK ENERGY (BENTINCK) LIMITED | 05035639 | 05/02/2004 | 14/04/2023 | Not Trading |
| WARWICK INTEGRATED GENERATION LIMITED | 04181077 | 16/03/2001 | 14/04/2023 | Silver |