| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BATHGATE ENERGY STORAGE LIMITED | 12079991 | 16/03/2022 | One Red Flag |
| EOS INVESTCO (INTERCO 1) LTD | 13904266 | 16/03/2022 | One Red Flag |
| EOS INVESTCO (INTERCO 2) LTD | 13904213 | 16/03/2022 | Silver |
| EOS INVESTCO (INTERCO 3) LTD | 13904236 | 16/03/2022 | Bronze |
| EOS INVESTCO LTD | 13893559 | 16/03/2022 | One Red Flag |
| NEWARK ENERGY STORAGE LTD | 11400329 | 16/03/2022 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ECO2 ARANDA LIMITED | 06801449 | 26/01/2009 | 06/08/2021 | Dissolved |
| ECO2 ESPANA LIMITED | 06168728 | 19/03/2007 | 06/08/2021 | One Red Flag |
| ECO2 MARINE ENERGY LIMITED | 05676798 | 16/01/2006 | 06/08/2021 | One Red Flag |
| ECO2 MEDINA LIMITED | 06801457 | 26/01/2009 | 06/08/2021 | Dissolved |
| ECO2 RIOJA LIMITED | 06801440 | 26/01/2009 | 06/08/2021 | Silver |
| ECO2 UK LIMITED | 08287155 | 08/11/2012 | 06/08/2021 | Dissolved |
| USKMOUTH ENERGY STORAGE LIMITED | 13989624 | 23/05/2022 | 16/03/2024 | One Red Flag |