| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARDON HILL LOW CARBON HYDROGEN LIMITED | 14315249 | 08/11/2024 | Not Trading |
| BRADFORD LOW CARBON HYDROGEN LIMITED | 14315106 | 11/11/2024 | Not Trading |
| HARPER LANE LOW CARBON HYDROGEN LIMITED | 14277689 | 08/11/2024 | Not Trading |
| HYGEN BALLYMENA LIMITED | 14213429 | 08/11/2024 | Not Trading |
| HYGEN ENERGY HOLDINGS LIMITED | 14043001 | 08/11/2024 | Bronze |
| HYGEN POWER ASSETS LIMITED | 14216054 | 08/11/2024 | Not Trading |
| HYGEN POWER ENERGY LIMITED | 14215927 | 08/11/2024 | Not Trading |
| HYGEN POWER FUEL CELLS LIMITED | 14215919 | 08/11/2024 | Not Trading |
| HYGEN POWER SYSTEMS LIMITED | 14216004 | 08/11/2024 | Not Trading |
| HYGEN PRODUCTION LIMITED | 14048332 | 08/11/2024 | Not Trading |
| LOWESTOFT HYDROGEN LIMITED | 14229113 | 08/11/2024 | Not Trading |
| MARIVAN (UK) LIMITED | 06231976 | 13/07/2020 | Gold |
| MOTIVE FUELS LIMITED | 13290733 | 08/11/2024 | Silver |
| OVERGANG ENERGY LLP | OC438562 | 30/07/2021 | Bronze |
| PETERBOROUGH LOW CARBON HYDROGEN LIMITED | 14327977 | 08/11/2024 | Not Trading |
| RAYLEIGH LOW CARBON HYDROGEN LIMITED | 14216002 | 08/11/2024 | Not Trading |
| TREE ENERGY SOLUTIONS UK LTD | 14706706 | 06/03/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALON ENERGY (INVESTMENTS) LIMITED | 08296576 | 28/10/2014 | 22/07/2015 | Insolvent |