| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARKIP BIOGAS HOLDING LIMITED | 12009723 | 01/10/2021 | Silver |
| BARKIP BIOGAS LTD | 12015760 | 01/10/2021 | Silver |
| BIO CAPITAL 2 LTD | 13063145 | 01/10/2021 | Bronze |
| BIO CAPITAL FINANCE LIMITED | 12965148 | 01/10/2021 | Bronze |
| BIO CAPITAL HOLDINGS LIMITED | 12958783 | 01/10/2021 | Bronze |
| BIO CAPITAL LTD | 11430503 | 01/10/2021 | Bronze |
| CORBIERE RENEWABLES LIMITED | 08773859 | 28/06/2022 | Silver |
| EARNSIDE ENERGY HOLDINGS LTD | 11491609 | 01/10/2021 | One Red Flag |
| EARNSIDE ENERGY LIMITED | 07251939 | 01/10/2021 | Amber |
| EAST LONDON BIOGAS LIMITED | 07625177 | 01/10/2021 | Amber |
| EAST LONDON BIOGAS OPCO LIMITED | 09310402 | 01/10/2021 | Dissolved |
| ECONERGY INTERNATIONAL LIMITED | 12669318 | 10/01/2023 | Silver |
| EMERALD HOLDCO LIMITED | 12253606 | 01/10/2021 | Bronze |
| ENERGEN BIOGAS HOLDCO LTD | 11491564 | 01/10/2021 | Amber |
| ENERGEN BIOGAS LIMITED | SC338426 | 01/10/2021 | Silver |
| GECO HOLDCO LTD | NI660472 | 01/10/2021 | Silver |
| GRANVILLE ECOPARK HOLDING COMPANY LIMITED | NI609709 | 01/10/2021 | Dissolved |
| GRANVILLE ECOPARK LIMITED | NI061353 | 01/10/2021 | Silver |
| GRANVILLE ENERGY SUPPLY LIMITED | NI635587 | 01/10/2021 | Amber |
| NORFOLK AD HOLDING LIMITED | 13158936 | 28/06/2022 | Bronze |
| REDSTOW RENEWABLES HOLDCO LTD | 13065665 | 01/10/2021 | Bronze |
| REDSTOW RENEWABLES LIMITED | 08072067 | 01/10/2021 | Silver |
| WARRENS EMERALD BIOGAS LTD | 06887312 | 01/10/2021 | Silver |
| WARRENS GROUP HOLDINGS LTD | 12001229 | 01/10/2021 | Dissolved |
| WARRENS GROUP LIMITED | 02042901 | 01/10/2021 | Gold |
| WEBL HOLDINGS LIMITED | 07668736 | 01/10/2021 | Dissolved |
| WEBL TOPCO LIMITED | 12028560 | 01/10/2021 | Dissolved |
| WHITCHURCH AD LIMITED | 09398578 | 01/10/2021 | Silver |
| WJ DRENNAN LIMITED | 06298101 | 17/12/2024 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|