| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CEDWILLIAM LIMITED | 07288206 | 18/06/2010 | Dissolved |
| INGENUITY DIGITAL HOLDINGS LIMITED | 12957948 | 27/01/2021 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARBON II BIDCO LIMITED | 12638319 | 27/01/2021 | 05/03/2021 | Amber |
| CARBON II MIDCO 1 LIMITED | 12957945 | 27/01/2021 | 05/03/2021 | Silver |
| CARBON II MIDCO 2 LIMITED | 12686330 | 27/01/2021 | 05/03/2021 | Silver |
| CARBON II MIDCO 3 LIMITED | 12686132 | 27/01/2021 | 05/03/2021 | Silver |
| EQUITY BIDCO LIMITED | 10344546 | 24/08/2016 | 27/10/2016 | Not Trading |
| GRADUATION BIDCO LIMITED | 10216479 | 23/08/2016 | 27/10/2016 | One Red Flag |
| GRADUATION HOLDCO LIMITED | 10344566 | 24/08/2016 | 27/10/2016 | Bronze |
| GRADUATION INTERCO LIMITED | 10353178 | 31/08/2016 | 27/10/2016 | Bronze |
| GRADUATION MIDCO LIMITED | 10344538 | 24/08/2016 | 27/10/2016 | Silver |
| GRADUATION TOPCO LIMITED | 10344504 | 24/08/2016 | 01/04/2019 | One Red Flag |
| KIRK BIDCO LIMITED | 11374780 | 24/05/2018 | 22/06/2018 | Amber |
| KIRK MIDCO 1 LIMITED | 11380968 | 24/05/2018 | 22/06/2018 | Silver |
| KIRK MIDCO 2 LIMITED | 11381123 | 24/05/2018 | 22/06/2018 | Silver |
| KIRK TOPCO LIMITED | 11380824 | 24/05/2018 | 26/01/2024 | Bronze |
| MOREL INVESTMENT MANAGEMENT LIMITED | 10344509 | 24/08/2016 | 05/02/2018 | One Red Flag |
| THE ENERGY SOLUTIONS GROUP TOPCO LIMITED | 07419528 | 28/08/2013 | 31/07/2014 | Not Trading |