| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Anglia Encrops Ltd | 03331667 | 20/03/2002 | Dissolved |
| BALLOON COURT MANAGEMENT LIMITED | 06316036 | 14/09/2020 | Gold |
| BARNSLEY HEAT NETWORK LIMITED | 15467433 | 05/02/2024 | Amber |
| CYPRESS DISTRICT ENERGY HOLDCO LIMITED | 14663723 | 06/07/2023 | Silver |
| CYPRESS DISTRICT ENERGY LIMITED | 14671447 | 06/07/2023 | Silver |
| CYPRESS PROJECT HOLDCO LIMITED | 15161055 | 25/09/2023 | Bronze |
| Econergy Ecoheat Ltd | 04674609 | 21/02/2003 | Dissolved |
| Econergy Ecoheat Ltd | 04674609 | 21/02/2003 | Dissolved |
| HEMIKO LIMITED | 08331646 | 04/06/2019 | One Red Flag |
| LINCOLN HEAT NETWORK LIMITED | 15915597 | 23/08/2024 | Amber |
| PP ESCO HOLDCO LTD | 12439951 | 03/02/2020 | Amber |
| SWAN ESCO LIMITED | 15903072 | 19/08/2024 | Amber |
| SWAN HEAT NETWORK LIMITED | 15901864 | 16/08/2024 | Amber |
| WOLVERHAMPTON HEAT NETWORK LIMITED | 15915600 | 23/08/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Anglia Encrops Ltd | 03331667 | 20/03/2002 | 08/03/2003 | Dissolved |
| Dulas Wood Energy Ltd | 04755319 | 07/05/2003 | 31/05/2006 | Dissolved |
| ECONERGY LIMITED | 03792840 | 16/06/2000 | 01/09/2005 | Insolvent |
| ECONERGY LIMITED | 03792840 | 16/06/2000 | 01/10/2012 | Insolvent |
| PP ESCO (CLAPHAM PARK) LTD | 12229172 | 26/09/2019 | 31/03/2021 | One Red Flag |
| PP ESCO (SPRINGFIELD) LTD | 12243539 | 04/10/2019 | 01/04/2020 | One Red Flag |
| WORTHING ESCO LIMITED | 15169516 | 27/09/2023 | 09/12/2024 | Bronze |
| WORTHING HEAT NETWORK LIMITED | 15169318 | 27/09/2023 | 09/12/2024 | Bronze |