| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CAMBRIDGE ECONOMIC POLICY ASSOCIATES LIMITED | 04077684 | 15/03/2012 | Bronze |
| CEPA HOLDINGS LIMITED | 11572350 | 17/09/2018 | Gold |
| CEPA LLP | OC326074 | 12/08/2019 | Silver |
| LACHESIS CONSULTING LIMITED | 07124675 | 13/01/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EGGBOROUGH POWER LIMITED | 03782700 | 24/11/2010 | 16/01/2015 | Amber |
| GREENCOAT UK WIND PLC | 08318092 | 04/12/2012 | 28/04/2022 | Bronze |
| HELIUS ENERGY LIMITED | 05745512 | 30/11/2011 | 01/05/2015 | Dissolved |
| IMPAX ENVIRONMENTAL MARKETS PLC | 04348393 | 27/01/2011 | 20/05/2021 | Silver |
| OFFSHORE RENEWABLE ENERGY CATAPULT | 04659351 | 01/10/2010 | 31/05/2013 | Silver |
| ORE CATAPULT DEVELOPMENT SERVICES LIMITED | 05636283 | 01/10/2010 | 31/05/2013 | Gold |
| OXFORD INSTITUTE FOR ENERGY STUDIES | 01676971 | 20/10/2006 | 01/10/2009 | Gold |
| SMART DCC LIMITED | 08641679 | 11/09/2013 | 01/08/2019 | Silver |