| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALTRINCHAM REGENERATION LIMITED LIABILITY PARTNERSHIP | OC325410 | 18/01/2007 | Dissolved |
| AQUAFLOW UTILITIES LIMITED | 10704638 | 25/05/2017 | Insolvent |
| BIO ASH LIMITED | 10518217 | 09/12/2016 | Dissolved |
| ECO2 BIOMASS LIMITED | 06316681 | 18/07/2007 | Dissolved |
| ECO2 DULAIS LIMITED | 12335787 | 27/11/2019 | Dissolved |
| ECO2 DULAIS WINDFARM LIMITED | 12588960 | 17/06/2020 | Dissolved |
| ECO2 ESPANA LIMITED | 06168728 | 30/04/2007 | One Red Flag |
| ECO2 LIMITED | 05268380 | 28/09/2005 | Amber |
| ECO2 LYG LIMITED | 11379265 | 26/09/2018 | Not Trading |
| ECO2 MARINE ENERGY LIMITED | 05676798 | 21/12/2007 | Bronze |
| ECO2 RIOJA LIMITED | 06801440 | 24/09/2015 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRIGG RENEWABLE POWER LIMITED | 06337326 | 12/08/2008 | 01/11/2013 | Silver |
| ECO2 DEVELOPMENTS LIMITED | 08522957 | 31/03/2014 | 15/09/2015 | Dissolved |
| ECO2 HATTON LIMITED | 06256803 | 09/04/2008 | 07/10/2011 | Dissolved |
| ECO2 MANAGEMENT SERVICES LIMITED | 08522956 | 19/06/2013 | 21/07/2022 | Bronze |
| ECO2 SOUTH WALES LIMITED | 08114024 | 16/07/2013 | 22/01/2015 | Dissolved |
| SNETTERTON RENEWABLE POWER HOLDINGS LIMITED | 08484429 | 12/04/2013 | 21/11/2014 | One Red Flag |