| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FERROGRAPH LIMITED | 08006866 | 22/06/2012 | 01/08/2014 | Gold |
| GIL INVESTMENTS LIMITED | 03776929 | 22/05/2015 | 26/01/2023 | Gold |
| GROVE PRIVATE EQUITY LLP | OC376721 | 06/07/2012 | 15/05/2014 | Dissolved |
| MCP ENVIRONMENTAL GROUP LIMITED | 09757275 | 11/09/2015 | 29/09/2016 | One Red Flag |
| MCP ENVIRONMENTAL HOLDINGS LIMITED | 09757284 | 11/09/2015 | 25/03/2024 | Amber |
| MCP ENVIRONMENTAL LIMITED | 09757273 | 11/09/2015 | 29/09/2016 | One Red Flag |
| MCP ENVIRONMENTAL SERVICES LIMITED | 09757382 | 11/09/2015 | 29/09/2016 | One Red Flag |
| TRUEFORM ENGINEERING HOLDINGS EBT LIMITED | 09610881 | 07/07/2015 | 03/08/2016 | Not Trading |
| TRUEFORM ENGINEERING HOLDINGS LIMITED | 07816081 | 06/03/2012 | 05/02/2020 | One Red Flag |
| TRUEFORM ENGINEERING LIMITED | 01324196 | 22/06/2012 | 01/08/2014 | Bronze |