| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BEL1 HOLDING LIMITED | SC689666 | 18/02/2021 | Bronze |
| BEL1 LIMITED | SC609322 | 28/09/2018 | Amber |
| BEL4 BIDCO LIMITED | 15522142 | 13/03/2024 | Amber |
| BEL4 LIMITED | 15518687 | 13/03/2024 | Amber |
| BROCKWELL ENERGY GROUP (2) LIMITED | 15522043 | 13/03/2024 | Amber |
| BROCKWELL ENERGY GROUP LIMITED | 11570113 | 19/10/2018 | One Red Flag |
| BROCKWELL ENERGY LIMITED | SC560225 | 13/03/2017 | Silver |
| BROCKWELL ENERGY SERVICES LIMITED | SC615586 | 06/12/2018 | Bronze |
| BROCKWELL GAS HOLDINGS LIMITED | SC651784 | 16/01/2020 | Amber |
| BROCKWELL GAS LIMITED | SC651804 | 16/01/2020 | Amber |
| BROCKWELL STORAGE & SOLAR LIMITED | 09819652 | 13/03/2024 | One Red Flag |
| BROCKWELL WIND DEVELOPMENTS LIMITED | SC752913 | 12/12/2022 | Bronze |
| EARLS GATE ENERGY CENTRE LIMITED | SC484891 | 14/12/2017 | Bronze |
| EGEC HOLDINGS LIMITED | SC517944 | 14/12/2017 | Bronze |
| GLENTAGGART WIND LIMITED | SC580101 | 27/10/2017 | Amber |
| NORTH KYLE WIND FARM LIMITED | SC572042 | 14/12/2017 | Bronze |
| WESTFIELD ENERGY LIMITED | SC574446 | 23/08/2017 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASHGREEN ENERGYFARM LIMITED | 10487668 | 17/02/2020 | 15/02/2023 | Amber |
| BEL 2 LIMITED | SC582981 | 04/12/2017 | 23/09/2022 | Bronze |
| BROKEN CROSS WIND FARM LIMITED | SC579904 | 26/10/2017 | 13/10/2021 | Bronze |
| CALE POWER LIMITED | 06606972 | 30/05/2008 | 12/11/2015 | Amber |
| CARRON ENERGY HOLDINGS LIMITED | 05150413 | 10/06/2004 | 12/11/2015 | Silver |
| CARRON ENERGY LIMITED | 06937966 | 18/06/2009 | 12/11/2015 | Bronze |
| CYNON POWER LIMITED | 08604620 | 10/07/2013 | 21/01/2015 | One Red Flag |
| DALQUHANDY WIND FARM LIMITED | SC579907 | 26/10/2017 | 18/05/2020 | Bronze |
| DRAGON FOREST PRODUCTS LIMITED | 07150562 | 09/02/2010 | 12/11/2015 | Dissolved |
| DRAGON GENERATION LIMITED | 06458823 | 18/01/2008 | 12/11/2015 | Gold |
| DRAGON POWER DEVELOPMENTS LIMITED | 06703533 | 22/09/2008 | 12/11/2015 | Not Trading |
| FEATHERSTONE ENERGY LIMITED | 10327314 | 14/12/2017 | 10/09/2018 | Dissolved |
| FIRST ENERGY LIMITED | 07264944 | 25/05/2010 | 12/11/2015 | Gold |
| INEOS 120 ENERGY LIMITED | 06559929 | 11/03/2011 | 25/11/2016 | Dissolved |
| INEOS 120 EXPLORATION LIMITED | 06714831 | 24/07/2013 | 25/11/2016 | Not Trading |
| INEOS 120 POWER LIMITED | 06714835 | 24/07/2013 | 25/11/2016 | Dissolved |
| MALTBY ENERGY LIMITED | 10329847 | 14/12/2017 | 10/09/2018 | Dissolved |
| MONCKTON ENERGY LIMITED | 10329835 | 14/12/2017 | 10/09/2018 | Dissolved |
| NEVIS POWER LIMITED | 05598999 | 25/05/2006 | 12/11/2015 | Amber |
| SELBY ENERGY LIMITED | 10335366 | 14/12/2017 | 10/09/2018 | Dissolved |
| USK RENEWABLE ENERGY LIMITED | 08549694 | 30/05/2013 | 12/11/2015 | Gold |
| USKMOUTH HOLDING COMPANY LIMITED | 05860202 | 21/07/2006 | 12/11/2015 | Amber |
| WELSH POWER GROUP LIMITED | 05766467 | 21/04/2006 | 12/11/2015 | Silver |
| WERL HOLDINGS LIMITED | SC642232 | 27/11/2020 | 23/09/2022 | Bronze |
| WESTFIELD ENERGY RECOVERY LIMITED | SC579887 | 26/10/2017 | 23/09/2022 | Silver |
| WPG ENERGY LIMITED | 05150453 | 10/06/2004 | 12/11/2015 | Gold |
| WYRE GAS TRANSPORTATION LIMITED | 06658221 | 28/07/2008 | 12/11/2015 | Dissolved |
| WYRE POWER LIMITED | 06449211 | 10/12/2007 | 12/11/2015 | One Red Flag |