| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALTERNATECH FUEL SYSTEMS LTD | 04590565 | 11/12/2007 | Dissolved |
| FREESOURCE ENERGY LTD | 05766017 | 04/01/2011 | Dissolved |
| PIENERGY LIMITED | 04733583 | 14/04/2003 | Silver |
| PIENERGY LIMITED | 04733583 | 14/04/2003 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHIPPENHAM ROTARY AND INNER WHEEL TRUST LIMITED | 01983372 | 06/07/2009 | 01/07/2022 | Silver |
| FIBREGEN LIMITED | 05358690 | 22/05/2008 | 11/02/2011 | Dissolved |
| GOOD ENERGY GROUP PLC | 04000623 | 03/03/2008 | 21/06/2018 | Silver |
| GREEN INVESTMENT GROUP MANAGEMENT LIMITED | SC460459 | 10/12/2014 | 17/08/2017 | Insolvent |
| NORFOLK BOREAS LIMITED | 03722058 | 11/05/2004 | 30/04/2009 | Amber |
| SENERGY ALTERNATIVE ENERGY LIMITED | SC318818 | 17/06/2009 | 17/06/2009 | Dissolved |
| VATTENFALL UK SALES LIMITED | 05461926 | 13/03/2007 | 30/04/2009 | Insolvent |