| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALKANE BIOGAS LIMITED | 04216472 | 11/04/2018 | 01/03/2019 | Dissolved |
| ALKANE ENERGY CM HOLDINGS LIMITED | 10001252 | 11/04/2018 | 01/03/2019 | Insolvent |
| ALKANE ENERGY CM LIMITED | 10001251 | 11/04/2018 | 01/03/2019 | Bronze |
| ALKANE ENERGY LIMITED | 02966946 | 11/04/2018 | 01/03/2019 | Gold |
| ALKANE ENERGY UK LIMITED | 03128509 | 11/04/2018 | 01/03/2019 | Bronze |
| ALKANE SERVICES LIMITED | 04715950 | 11/04/2018 | 01/03/2019 | Dissolved |
| AVELEY METHANE LIMITED | 01602678 | 08/12/2016 | 01/03/2019 | Dissolved |
| BARBICAN BIDCO LIMITED | 09514412 | 11/04/2018 | 01/03/2019 | Insolvent |
| BARBICAN HOLDCO LIMITED | 09514385 | 11/04/2018 | 01/03/2019 | Insolvent |
| BIDSTON METHANE LIMITED | 01766806 | 08/12/2016 | 01/03/2019 | Insolvent |
| BLACKBOROUGH END ENERGY LIMITED | 02984574 | 08/12/2016 | 01/03/2019 | Dissolved |
| CAMBRIDGE COGNITION HOLDINGS PLC | 08211361 | 27/05/2021 | 01/11/2021 | Amber |
| CAMBRIDGE COGNITION LIMITED | 04338746 | 27/05/2021 | 01/11/2021 | One Red Flag |
| CAMBRIDGE COGNITION TRUSTEES LIMITED | 04213437 | 27/05/2021 | 01/11/2021 | Gold |
| CANTAB CORPORATE HEALTH LIMITED | 09769807 | 27/05/2021 | 01/11/2021 | Dissolved |
| COSTESSEY ENERGY LIMITED | 03448770 | 08/12/2016 | 01/03/2019 | Silver |
| GENGAS LIMITED | 03033261 | 08/12/2016 | 01/03/2019 | Bronze |
| INFINIS (COE) LIMITED | 02203248 | 08/12/2016 | 01/03/2019 | Dissolved |
| INFINIS (RE-GEN) LIMITED | 00151665 | 08/12/2016 | 01/03/2019 | Bronze |
| INFINIS ALTERNATIVE ENERGIES LIMITED | 08362547 | 08/12/2016 | 01/03/2019 | Bronze |
| INFINIS CHINA (INVESTMENTS) LIMITED | 07630183 | 08/12/2016 | 01/03/2019 | Dissolved |
| INFINIS ENERGY GROUP HOLDINGS LIMITED | 10432005 | 13/01/2017 | 01/03/2019 | Bronze |
| INFINIS ENERGY MANAGEMENT LIMITED | 10432339 | 13/01/2017 | 01/03/2019 | Bronze |
| INFINIS ENERGY SERVICES LIMITED | 07166617 | 08/12/2016 | 01/03/2019 | Bronze |
| INFINIS ENERGY STORAGE LIMITED | 06514229 | 11/05/2017 | 01/03/2019 | One Red Flag |
| INFINIS HYDRO HOLDINGS LIMITED | 08326001 | 08/12/2016 | 01/03/2019 | Dissolved |
| INFINIS LIMITED | 05719060 | 08/12/2016 | 01/03/2019 | Gold |
| LEVEN POWER LIMITED | 05440338 | 11/04/2018 | 01/03/2019 | One Red Flag |
| MAYTON WOOD ENERGY LIMITED | 02984571 | 08/12/2016 | 01/03/2019 | Dissolved |
| MW RENEWABLES LIMITED | 04087077 | 11/04/2018 | 01/03/2019 | Dissolved |
| NOVERA ENERGY (HOLDINGS 1) LIMITED | 05272352 | 11/05/2017 | 01/03/2019 | Dissolved |
| NOVERA ENERGY (HOLDINGS 2) LIMITED | 05272425 | 08/12/2016 | 01/03/2019 | Bronze |
| NOVERA ENERGY GENERATION NO. 1 LIMITED | 03451378 | 08/12/2016 | 01/03/2019 | Amber |
| NOVERA ENERGY GENERATION NO. 2 LIMITED | 02366593 | 08/12/2016 | 01/03/2019 | Amber |
| NOVERA ENERGY GENERATION NO. 3 LIMITED | 02984572 | 08/12/2016 | 01/03/2019 | Dissolved |
| NOVERA ENERGY LIMITED | 06163576 | 11/05/2017 | 01/03/2019 | Dissolved |
| NOVERA ENERGY OPERATING SERVICES LIMITED | 02222574 | 08/12/2016 | 01/03/2019 | Amber |
| NOVERA ENERGY SERVICES UK LIMITED | 03513611 | 08/12/2016 | 01/03/2019 | Dissolved |
| NOVERA VENTURES LIMITED | 05131787 | 11/05/2017 | 01/03/2019 | Dissolved |
| REGENT PARK ENERGY LIMITED | 04557422 | 11/04/2018 | 01/03/2019 | Bronze |
| RENEWABLE POWER GENERATION LIMITED | 02803905 | 08/12/2016 | 01/03/2019 | Dissolved |
| RHYMNEY POWER LIMITED | 07259510 | 11/04/2018 | 01/03/2019 | Silver |
| SCOTTISH BIOFUEL LIMITED | SC265247 | 08/12/2016 | 01/03/2019 | Dissolved |
| SCOTTISH BIOPOWER LIMITED | SC237229 | 08/12/2016 | 01/03/2019 | Dissolved |
| SEVEN STAR NATURAL GAS LIMITED | 05330862 | 11/04/2018 | 01/03/2019 | One Red Flag |