| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| THE BULLDOG TRUST LIMITED | 06510777 | 16/05/2011 | Silver |
| VORTIGEN POWER LLP | OC358962 | 22/10/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALTERIUM LIMITED | 08621989 | 14/02/2014 | 08/06/2016 | Bronze |
| AMKGIBSSH CAPITAL LLP | OC364801 | 19/05/2011 | 30/06/2012 | Dissolved |
| AURIUM AD (NO.1) LIMITED | 08339303 | 21/12/2012 | 16/05/2017 | Dissolved |
| AURIUM BIG INVESTMENT LIMITED | 09780834 | 16/09/2015 | 05/02/2022 | Bronze |
| AURIUM CAPITAL LLP | OC371295 | 14/01/2013 | 05/02/2022 | Bronze |
| AURIUM DARTMOOR LIMITED | 10014598 | 19/02/2016 | 16/05/2017 | Dissolved |
| AURIUM GD LLP | OC413991 | 03/10/2016 | 05/02/2022 | Silver |
| AVONMOUTH BIO POWER (OPERATIONS) LIMITED | 09666577 | 01/07/2015 | 21/09/2016 | Dissolved |
| AVONMOUTH BIO POWER CONTRACTING LIMITED | 07061917 | 25/07/2015 | 21/09/2016 | Dissolved |
| AVONMOUTH BIO POWER ENERGY LIMITED | 07932861 | 25/07/2015 | 21/09/2016 | Dissolved |
| AVONMOUTH BIO POWER LIMITED | 09626128 | 05/06/2015 | 21/09/2016 | Dissolved |
| AVONMOUTH BIO POWER PROPERTY LIMITED | 07695099 | 25/07/2015 | 21/09/2016 | Dissolved |
| BIOENERGY INFRASTRUCTURE HOLDINGS 2 LIMITED | 12125506 | 26/07/2019 | 01/06/2021 | Silver |
| BRIGHTSTAR CAPITAL (PROPORTION) LIMITED | 08996499 | 17/09/2014 | 17/07/2017 | Dissolved |
| DARTMOOR BIO POWER LIMITED | 09489779 | 17/03/2015 | 17/05/2017 | Dissolved |
| EVERO ENERGY FINANCE LIMITED | 09641683 | 16/06/2015 | 05/10/2015 | Bronze |
| EVERO ENERGY HOLDINGS LIMITED | 09642938 | 17/06/2015 | 05/10/2015 | Bronze |
| EVERO ENERGY SERVICES LIMITED | 12261508 | 14/10/2019 | 01/06/2021 | Amber |
| FLEXIMIZE CAPITAL LIMITED | 09485920 | 12/03/2015 | 08/06/2016 | Silver |
| FLEXIMIZE LIMITED | 07117447 | 09/01/2015 | 08/06/2016 | One Red Flag |
| FLEXIMIZE SERVICES LIMITED | 08871283 | 09/01/2015 | 08/06/2016 | One Red Flag |
| FORMENTOR HOLDINGS LIMITED | FC029459 | 25/02/2010 | 23/09/2012 | Dissolved |
| INCE BIO POWER LIMITED | 09386360 | 05/10/2015 | 26/09/2017 | Amber |
| METHANE POWER LIMITED | FC029362 | 30/12/2009 | 23/09/2012 | Dissolved |
| PROPORTION LIMITED | 06329646 | 17/09/2014 | 17/07/2017 | Dissolved |
| PROPORTION LONDON LIMITED | 02597122 | 31/07/2014 | 17/07/2017 | Dissolved |
| STANLOW BIO POWER LIMITED | 09546038 | 05/10/2015 | 26/09/2017 | Silver |
| WALBROOK CAPITAL ENERGY LIMITED | FC030319 | 15/07/2011 | 23/09/2012 | Dissolved |
| WALBROOK CAPITAL INVESTMENTS LLP | OC348082 | 15/07/2010 | 30/06/2012 | Dissolved |