| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B M P International Ltd | 02764660 | 14/11/1993 | Dissolved |
| CHILTERN MANAGEMENT GROUP LIMITED | 12560451 | 26/01/2021 | Silver |
| HULL ECO PARK (INFRASTRUCTURE) LTD | 14956052 | 23/06/2023 | Not Trading |
| HULL ECO PARK (PHASE A) LTD | 14956056 | 23/06/2023 | Not Trading |
| HULL ECO PARK (PHASE E) LTD | 14956234 | 23/06/2023 | Not Trading |
| HULL ECO PARK LTD | 08516732 | 01/04/2019 | Amber |
| M G Economics Ltd | 02324888 | 05/12/1992 | Dissolved |
| NETWORK ECONOMICS LTD | 07294674 | 24/06/2010 | Silver |
| NEW TECHNOLOGY DEVELOPMENTS LIMITED | 07604443 | 16/08/2022 | Bronze |
| VRDNT LTD | 08192698 | 28/08/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B M P International Ltd | 02764660 | 13/11/1992 | 04/04/1994 | Dissolved |
| CHILTERN ENERGY ASSET MANAGEMENT LTD | 07237081 | 28/04/2010 | 03/05/2022 | Dissolved |
| CHILTERN MANAGEMENT LIMITED | 04570634 | 12/04/2016 | 22/03/2023 | Bronze |
| LEE VALLEY HEAT NETWORK OPERATING COMPANY LIMITED | 09763702 | 05/09/2015 | 12/09/2016 | Bronze |
| OVE ARUP & PARTNERS LIMITED | 01312453 | 01/06/2001 | 31/07/2008 | Gold |
| ZOOM ENERGY LTD | 12560338 | 16/04/2020 | 17/06/2022 | Dissolved |