| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| TUMPO CONSULTING LIMITED | 14145964 | 01/06/2022 | Not Trading |
| TUMPO HOLDINGS LTD | 14953787 | 22/06/2023 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVG HOLDINGS (CLEVELAND) LIMITED | 09343726 | 29/11/2017 | 03/09/2018 | Dissolved |
| AVG IMPERIAL LTD | 09347372 | 29/11/2017 | 25/04/2018 | Silver |
| AVH CAPITAL LIMITED | 09033846 | 31/08/2023 | 10/04/2024 | One Red Flag |
| BUCHAN BIOGAS LTD | SC472670 | 01/06/2017 | 28/08/2020 | Silver |
| KKV INVESTMENT MANAGEMENT LTD | 12475228 | 04/05/2020 | 20/07/2020 | One Red Flag |
| QUARRINGTON RENEWABLE GAS LTD | 09366096 | 24/09/2018 | 28/08/2020 | Dissolved |
| SQN ASSET MANAGEMENT LIMITED | 10646013 | 01/10/2017 | 28/08/2020 | Bronze |