| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 100 FINSBURY PARK ROAD LIMITED | 06166899 | 19/03/2007 | Gold |
| CARNA ENERGY HOLDINGS LIMITED | 13778588 | 02/12/2021 | Bronze |
| CODFORD BIOGAS LIMITED | 08166256 | 03/02/2021 | Silver |
| RAINWORTH ENERGY LIMITED | 09516163 | 22/03/2021 | One Red Flag |
| WARREN POWER LIMITED | 09391505 | 28/08/2019 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOGAS MEDEN LTD. | 09241453 | 18/12/2018 | 29/08/2024 | Bronze |
| EGMERE ENERGY LIMITED | 08414608 | 06/07/2018 | 29/08/2024 | Bronze |
| GRANGE FARM ENERGY LIMITED | 08735974 | 06/07/2018 | 29/08/2024 | Bronze |
| MERLIN RENEWABLES LIMITED | 08125572 | 15/08/2018 | 29/08/2024 | Silver |
| WARREN ENERGY LIMITED | 09534132 | 28/08/2019 | 29/08/2024 | Bronze |