| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CROWN AGENTS LIMITED | 03259922 | 18/01/2021 | Insolvent |
| ENTERPRISE AND ENVIRONMENT LTD | 08763386 | 06/11/2013 | Dissolved |
| GREEN RUNNING LIMITED | 07179872 | 28/06/2017 | Silver |
| OCTOPUS RENEWABLES INFRASTRUCTURE TRUST PLC | 12257608 | 11/11/2019 | Silver |
| P.C.A. MANAGEMENT LIMITED | 03313434 | 21/03/2024 | Silver |
| THE CROWN AGENTS FOUNDATION | 03251167 | 21/03/2023 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CDP WORLDWIDE | 05013650 | 12/12/2007 | 16/12/2015 | Bronze |
| CLIMATE CHANGE CAPITAL GROUP LIMITED | 06527842 | 07/03/2008 | 05/03/2015 | Dissolved |
| CLIMATE CHANGE CAPITAL LIMITED | 05191608 | 19/12/2005 | 23/04/2010 | Dissolved |
| CLIMATE CHANGE HOLDINGS LIMITED | 04439060 | 17/09/2002 | 03/12/2002 | Insolvent |
| CLIMATE CHANGE INVESTMENTS LIMITED | 05191604 | 28/07/2004 | 21/07/2010 | Dissolved |
| Chaos Communication Ltd | 02610144 | 28/07/1991 | 21/12/1999 | Dissolved |
| DIALOGUE EARTH | 06477262 | 14/09/2009 | 22/07/2015 | Gold |
| DIALOGUE SERVICES LTD. | 08854972 | 21/01/2014 | 22/07/2015 | Bronze |
| ENGAGED TRACKING (ET) INDEX LTD | 08876852 | 18/02/2016 | 10/11/2019 | One Red Flag |
| GLOBAL COOL FOUNDATION | 05850277 | 19/06/2006 | 21/04/2010 | Dissolved |
| GREENERGY INTERNATIONAL LIMITED | 02809935 | 01/06/2001 | 31/07/2004 | One Red Flag |
| ODI | 00661818 | 29/11/2012 | 31/07/2021 | Silver |
| OONA LIMITED | 11850683 | 20/07/2020 | 25/11/2021 | Not Trading |
| SOLAR CENTURY HOLDINGS LIMITED | 03570325 | 17/01/2000 | 18/09/2003 | Gold |
| THE CLIMATE CHANGE ORGANISATION | 04964424 | 13/02/2006 | 22/07/2008 | One Red Flag |