| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Hyder Industrial Water Ltd | 03145350 | 09/05/1997 | Dissolved |
| LLANDARCY LIMITED | 05856104 | 25/10/2013 | One Red Flag |
| OSPREYLIA COMMUNITY DEVELOPMENT CIC | 08489313 | 27/07/2015 | Dissolved |
| OSPREYS IN THE COMMUNITY | 09578656 | 07/05/2015 | Silver |
| ROXTON CONSULTANCY SERVICES LIMITED | 04393233 | 13/03/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOGANLEA RENEWABLE ENERGY LIMITED | 05919270 | 05/11/2010 | 10/01/2014 | Amber |
| BRIGG RENEWABLE POWER LIMITED | 06337326 | 12/08/2008 | 01/09/2011 | Silver |
| CAMBRIAN RENEWABLE ENERGY LIMITED | 04803358 | 04/04/2006 | 02/06/2010 | Amber |
| ECO-5 LIMITED | 05342865 | 16/06/2005 | 02/03/2006 | Dissolved |
| ECO2 BIOMASS LIMITED | 06316681 | 18/07/2007 | 01/01/2013 | Dissolved |
| ECO2 CAMBRIAN LIMITED | 05504383 | 28/09/2005 | 02/06/2010 | Dissolved |
| ECO2 ESPANA LIMITED | 06168728 | 30/04/2007 | 24/11/2021 | One Red Flag |
| ECO2 HATTON LIMITED | 06256803 | 09/04/2008 | 07/10/2011 | Dissolved |
| ECO2 LIMITED | 05268380 | 28/09/2005 | 01/11/2012 | Amber |
| ECO2 MARINE ENERGY LIMITED | 05676798 | 21/12/2007 | 01/11/2012 | One Red Flag |
| ECO2 PROJECTS LIMITED | 04549876 | 06/01/2003 | 02/03/2006 | Dissolved |
| FOCHRIW RENEWABLE ENERGY LIMITED | 05914775 | 05/11/2010 | 29/09/2016 | Dissolved |
| GLYNCORRWG RENEWABLE ENERGY LIMITED | 05921105 | 05/11/2010 | 29/09/2016 | Dissolved |
| GREP1 LIMITED | 06000706 | 30/11/2006 | 09/12/2011 | Silver |
| INFINIS (COE) LIMITED | 02203248 | 08/05/1996 | 31/01/2002 | Dissolved |
| LANGLAND BAY GOLF CLUB LIMITED, | 00218955 | 12/04/2012 | 17/04/2014 | Bronze |
| NATIONAL GRID ELECTRICITY DISTRIBUTION INVESTMENTS LIMITED | 02202625 | 08/05/1996 | 07/03/2001 | Silver |
| NOVERA ENERGY GENERATION NO. 2 LIMITED | 02366593 | 28/04/1993 | 31/01/2002 | Amber |
| OSPREYS RUGBY LIMITED | 04730479 | 23/10/2013 | 13/04/2022 | One Red Flag |
| REDIMO LFG POWER LTD. | 04044216 | 30/09/2005 | 04/04/2008 | Dissolved |
| RENEWABLE POWER GENERATION LIMITED | 02803905 | 08/05/1996 | 31/01/2002 | Dissolved |
| SCARWEATHER SANDS LIMITED | 04271879 | 20/09/2001 | 31/01/2002 | Dissolved |
| SOUTH WALES POWER LIMITED | 02769106 | 27/03/1997 | 31/01/2002 | Dissolved |
| SPORTS AND WELL BEING ANALYTICS LIMITED | 10308071 | 28/03/2017 | 19/04/2021 | Amber |
| UNITED UTILITIES ENERGY SERVICES LIMITED | 03315023 | 21/09/1999 | 31/01/2002 | Dissolved |
| WELSH WATER INTERNATIONAL LIMITED | 02366589 | 31/03/1992 | 28/04/1993 | Dissolved |