| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| C2 INVESTMENTS LTD. | 06470521 | 15/01/2008 | Bronze |
| CARNELIAN ADVISORS LIMITED | 13938482 | 24/02/2022 | Not Trading |
| INTELLIGENT SUSTAINABLE ENERGY LIMITED | 06522724 | 18/11/2008 | Dissolved |
| NAVETAS ENERGY MANAGEMENT LTD. | 06700292 | 19/09/2008 | Dissolved |
| P2I LTD | 04814350 | 10/09/2021 | One Red Flag |
| POTSFORD BRIDGE GROUP LTD | 13056475 | 02/12/2020 | Bronze |
| YOUHAVETHEPOWER.COM LTD. | 06793012 | 16/02/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACTARIS DEVELOPMENT UK LIMITED | 04819979 | 25/07/2003 | 17/12/2007 | Dissolved |
| BEAMA LIMITED | 00084313 | 04/05/2006 | 03/11/2011 | Gold |
| I2O WATER LTD | 05617487 | 01/10/2019 | 14/06/2021 | Silver |
| ITRON METERING SOLUTIONS UK LIMITED | 04274515 | 19/10/2001 | 17/12/2007 | Amber |
| MAPLE TREE ENERGY MANAGEMENT LIMITED | 09551430 | 21/04/2015 | 20/09/2019 | Not Trading |