| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DONFIELD CONSULTING LTD | SC479300 | 05/06/2014 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACHNACARRY HYDRO LTD | SC367490 | 27/10/2009 | 07/05/2014 | One Red Flag |
| AQUAMARINE POWER LIMITED | SC327622 | 19/11/2010 | 28/08/2015 | Dissolved |
| BARRS HYDRO LTD | SC404178 | 26/07/2011 | 31/03/2014 | Bronze |
| BURNTISLAND FABRICATIONS LIMITED | SC213282 | 07/04/2010 | 17/04/2018 | Insolvent |
| CS WIND UK LIMITED | SC394018 | 22/02/2011 | 19/05/2011 | Insolvent |
| DUNCANSBY TIDAL POWER LIMITED | SC497507 | 11/03/2015 | 16/12/2015 | Not Trading |
| FOREV LIMITED | SC581107 | 07/02/2019 | 08/08/2022 | Amber |
| GREEN HIGHLAND RENEWABLES (LEDGOWAN) LIMITED | SC376860 | 15/04/2010 | 11/11/2013 | Silver |
| GREEN HIGHLAND RENEWABLES LTD | SC315779 | 29/07/2008 | 18/07/2014 | Gold |
| MEYGEN HOLDINGS LIMITED | SC482709 | 11/03/2015 | 30/06/2023 | Amber |
| MEYGEN PLC | SC347501 | 11/03/2015 | 30/06/2023 | Amber |
| OSPREY AVIATION SERVICES (UK) LTD | SC492802 | 11/02/2015 | 13/07/2016 | Silver |
| ROROYERE HYDRO LTD | SC357527 | 31/03/2009 | 28/08/2014 | Silver |
| SMARTER GRID SOLUTIONS LIMITED | SC344695 | 02/08/2010 | 19/06/2012 | Amber |