| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AXIL INTEGRATED SERVICES LIMITED | 09204100 | 16/03/2018 | Silver |
| ENVPACT LIMITED | 13897063 | 25/08/2022 | Not Trading |
| REGEN DEVCO LIMITED | 09389144 | 09/09/2015 | Bronze |
| REGEN HOLDINGS LIMITED | 09353257 | 28/07/2015 | Amber |
| SOTRA PROPERTY COMPANY LIMITED | 00939465 | 13/06/2014 | Dissolved |
| TILLERTECH LIMITED | 02696937 | 09/09/2015 | Not Trading |
| WASE LIMITED | 10616124 | 16/02/2024 | Amber |
| WHITES ENGINEERING LIMITED | 03671019 | 09/09/2015 | One Red Flag |
| WHITES GENERATION LIMITED | 09962999 | 21/01/2016 | Amber |
| WHITES RECYCLING LTD. | 03765361 | 09/09/2015 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGRIVERT LIMITED | 02885265 | 23/07/2009 | 31/01/2014 | Bronze |
| EARNSIDE ENERGY LIMITED | 07251939 | 30/09/2014 | 11/04/2019 | Amber |
| FERNBROOK BIO LIMITED | 06595831 | 16/05/2016 | 16/12/2021 | One Red Flag |
| SEVERN TRENT GREEN POWER (WALLINGFORD) LIMITED | 07672850 | 27/03/2012 | 27/01/2014 | Silver |
| SEVERN TRENT GREEN POWER (WEST LONDON) LIMITED | 08308321 | 27/11/2012 | 31/01/2014 | Amber |
| SEVERN TRENT GREEN POWER BIOGAS LIMITED | 06657846 | 28/07/2008 | 31/01/2014 | Amber |
| SEVERN TRENT GREEN POWER GROUP LIMITED | 06968842 | 12/11/2009 | 31/01/2014 | Amber |