| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DIVERSIFIED EFW HOLDINGS LIMITED | 12756961 | 27/11/2020 | 31/03/2024 | Silver |
| DIVERSIFIED EFW MANAGEMENT LIMITED | 12754239 | 27/11/2020 | 31/03/2024 | Gold |
| FCC (E&M) HOLDINGS LIMITED | 10326352 | 27/11/2020 | 31/03/2024 | Silver |
| FCC (E&M) LIMITED | 10327359 | 27/11/2020 | 31/03/2024 | Silver |
| FCC BUCKINGHAMSHIRE (SUPPORT SERVICES) LIMITED | 08255628 | 27/11/2020 | 31/03/2024 | Not Trading |
| FCC BUCKINGHAMSHIRE HOLDINGS LIMITED | 07775848 | 27/11/2020 | 31/03/2024 | Gold |
| FCC BUCKINGHAMSHIRE LIMITED | 07776674 | 27/11/2020 | 31/03/2024 | Silver |
| FCC ENERGY HOLDINGS LIMITED | 12763603 | 27/11/2020 | 31/03/2024 | Gold |
| FCC ENERGY LIMITED | 11338743 | 27/11/2020 | 31/03/2024 | Bronze |
| FCC ENVIRONMENT (LINCOLNSHIRE) LIMITED | 07418620 | 27/11/2020 | 31/03/2024 | Gold |
| FCC ENVIRONMENT DEVELOPMENTS LIMITED | 10325758 | 27/11/2020 | 31/03/2024 | Amber |
| GREEN ENERGY FINANCE SOLUTIONS LIMITED | 12763575 | 27/11/2020 | 31/03/2024 | Bronze |
| GREEN RECOVERY PROJECTS LTD | 12749606 | 27/11/2020 | 31/03/2024 | Silver |
| GRP EFW INVESTMENTS LIMITED | 12760399 | 27/11/2020 | 31/03/2024 | Silver |
| KENT ENERGY, LTD. | 03146731 | 27/11/2020 | 31/03/2024 | Silver |
| KENT ENVIROPOWER LIMITED | 02894377 | 27/11/2020 | 31/03/2024 | Silver |
| MES SELCHP LIMITED | 03773795 | 27/11/2020 | 31/03/2024 | Gold |
| SOUTH EAST LONDON COMBINED HEAT AND POWER LIMITED | 02489384 | 10/05/2021 | 31/03/2024 | Silver |
| WASTENOTTS (RECLAMATION) LIMITED | 02674169 | 27/11/2020 | 31/03/2024 | Gold |