| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AM LOW CARBON CONSULTING LIMITED | 14802457 | 14/04/2023 | Gold |
| IPC CLIMATE CAPITAL LIMITED | 06520922 | 01/11/2013 | Dissolved |
| SETLEY CONSULTANTS LIMITED | 09766657 | 08/09/2015 | Strike Off |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCED PLASMA POWER INTERNATIONAL LTD | 06423855 | 27/06/2013 | 31/10/2013 | Dissolved |
| ALTALTO IMMINGHAM HOLDINGS LIMITED | 11692417 | 22/11/2018 | 12/04/2022 | Not Trading |
| ALTALTO IMMINGHAM LIMITED | 11693030 | 23/11/2018 | 12/04/2022 | One Red Flag |
| ALTALTO LIMITED | 11691469 | 22/11/2018 | 12/04/2022 | One Red Flag |
| BIOSNG DEVELOPMENTS LTD | 06423858 | 27/06/2013 | 31/10/2013 | Dissolved |
| CASCADE HYDRO LIMITED | 07640689 | 01/11/2013 | 23/10/2015 | Bronze |
| COCHRANE POWER LIMITED | 08220905 | 01/11/2013 | 21/10/2015 | Amber |
| ENVIROFUSION LTD | 07513337 | 01/05/2016 | 14/11/2018 | Dissolved |
| GO GREEN GAS LTD | 08588204 | 27/06/2013 | 31/10/2013 | Dissolved |
| INDEPENDENT POWER OPERATIONS LIMITED | 04288901 | 01/11/2013 | 29/06/2015 | Amber |
| OXFORD CATALYSTS TRUSTEES LIMITED | 07788054 | 09/08/2017 | 21/06/2022 | Not Trading |
| OXFORD CATALYSTS UK LIMITED | 07671880 | 11/12/2018 | 21/06/2022 | Not Trading |
| RULA DEVELOPMENTS (IMMINGHAM) LIMITED | 10599232 | 22/12/2021 | 23/03/2022 | Amber |
| RURELEC PLC | 04812855 | 07/07/2009 | 14/07/2015 | Amber |
| RURELEC POWER SERVICES LIMITED | 07882273 | 01/11/2013 | 21/10/2015 | Dissolved |
| RURELEC PROJECT FINANCE LIMITED | 07523554 | 01/11/2013 | 21/10/2015 | Silver |
| THE INDEPENDENT POWER CORPORATION PLC | 03097552 | 01/11/2013 | 29/06/2015 | Bronze |
| VELOCYS LIMITED | 05712187 | 01/06/2017 | 21/06/2022 | Bronze |
| VELOCYS PROJECTS LIMITED | 11019805 | 11/12/2018 | 24/06/2022 | Bronze |
| VELOCYS TECHNOLOGIES LIMITED | 05258554 | 22/11/2018 | 24/06/2022 | One Red Flag |