| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABBEY ENERGY STORAGE LIMITED | 13197434 | 24/03/2021 | Dissolved |
| BRAMPTON ENERGY STORAGE LIMITED | 13587991 | 26/08/2021 | Amber |
| LONDON AND ESSEX ENERGY LIMITED | 13877667 | 15/06/2023 | Amber |
| MANHATTAN EQUITIES LLP | OC421028 | 13/02/2018 | Dissolved |
| MANHATTAN INVESTMENTS LTD | 11192193 | 07/02/2018 | Dissolved |
| NASHDENE LIMITED | 01912166 | 29/09/1991 | Silver |
| NETHER CARSWELL THREE LIMITED | 08658194 | 10/06/2019 | Amber |
| SOUTH EAST STORAGE LIMITED | 11359405 | 14/05/2018 | Dissolved |
| SOUTHRIGG ENERGY LIMITED | 12507982 | 21/06/2021 | Amber |
| WENTWORTH ENERGY LIMITED | 13176133 | 02/09/2021 | Amber |
| WINDLEND (MERTHYR TYDFIL) LIMITED | 09904623 | 01/12/2016 | Dissolved |
| YC OLYMPUS MANAGERS LLP | OC416556 | 24/03/2017 | Dissolved |
| YOO CAPITAL ADVISORS MANAGEMENT LIMITED | 11944512 | 13/04/2019 | Bronze |
| YOO CAPITAL LIMITED | 01809311 | 16/08/1984 | Silver |
| YOO DEVELOPMENT LIMITED | 11603164 | 03/10/2018 | One Red Flag |
| YOO LIMENTRA SOLAR PARTNERS LIMITED | 12785725 | 02/08/2020 | One Red Flag |
| YOO MEDIA LIMITED | 11291370 | 04/04/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARSWELL HILL LIMITED | 09947086 | 03/02/2017 | 19/02/2019 | Dissolved |
| CATHKIN ENERGY STORAGE LIMITED | 13341612 | 23/06/2021 | 27/10/2022 | Bronze |
| COLN PARK NOMINEE LIMITED | 12088686 | 05/07/2021 | 14/01/2023 | Not Trading |
| SWANGATE ENERGY STORAGE LIMITED | 12644984 | 04/06/2020 | 21/12/2021 | One Red Flag |
| YC OLYMPUS INVESTORS LLP | OC416634 | 29/03/2017 | 27/04/2022 | Bronze |