| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COLLECTIVELY LABS LTD | 10792519 | 26/05/2017 | Silver |
| COLLECTIVELY LIMITED | 09278431 | 23/10/2014 | Dissolved |
| GREEN FUTURES LIMITED | 06574872 | 20/02/2023 | Not Trading |
| JEP VENTURES LIMITED | 09644707 | 17/06/2015 | Bronze |
| RICHARD SANDBROOK TRUST | 06715339 | 03/10/2008 | Strike Off |
| THE NATURAL STEP INTERNATIONAL | 07945825 | 10/02/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASHDEN CLIMATE SOLUTIONS | 05062574 | 08/03/2005 | 04/02/2020 | Silver |
| FORUM FOR THE FUTURE | 02959712 | 17/08/1994 | 03/06/2020 | Silver |
| SUSTNAV | 03899945 | 24/12/1999 | 30/04/2001 | Dissolved |
| THE GLOUCESTERSHIRE ENVIRONMENTAL TRUST COMPANY | 03432492 | 05/09/1997 | 01/04/2001 | Dissolved |
| THE SUSTAINABLE DEVELOPMENT COMMISSION LIMITED | 06798740 | 03/02/2009 | 26/07/2009 | Dissolved |
| WESSEX WATER SERVICES LIMITED | 02366648 | 01/06/2005 | 01/08/2012 | Silver |
| WILLMOTT DIXON HOLDINGS LIMITED | 00198032 | 01/01/2009 | 01/04/2009 | Silver |
| WILLMOTT DIXON LIMITED | 05922246 | 01/04/2009 | 31/12/2009 | Silver |
| WWF-UK | 04016725 | 01/07/2001 | 23/06/2005 | Silver |