| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CONSULTING WITH PURPOSE LIMITED | 06528633 | 10/03/2008 | Silver |
| DC21 (GROUP) LIMITED | 08253081 | 15/10/2012 | Gold |
| DC21 (OPERATIONS) LIMITED | 08253579 | 15/10/2012 | Gold |
| DC21 LIMITED | 06855349 | 23/03/2009 | Silver |
| INTERNATIONAL RENEWABLE ENERGY CERTIFICATION ORGANISATION LTD | 08008647 | 27/03/2012 | Not Trading |
| THE CENTRE FOR RESEARCH EDUCATION AND TRAINING IN ENERGY | 02479197 | 14/10/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HIVE HUDDERSFIELD CIC | 13464781 | 18/06/2021 | 08/09/2021 | Bronze |
| THE MCS SERVICE COMPANY LTD | 07759366 | 29/06/2012 | 11/12/2017 | Gold |