| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A14 ENERGY LIMITED | 15010011 | 25/08/2023 | Bronze |
| DART ENERGY (EAST ENGLAND) LIMITED | 06760546 | 05/06/2024 | One Red Flag |
| DART ENERGY (EUROPE) LIMITED | SC259898 | 05/06/2024 | Gold |
| DART ENERGY (WEST ENGLAND) LIMITED | 06760557 | 05/06/2024 | Amber |
| GREENPARK ENERGY TRANSPORTATION LIMITED | 06977962 | 05/06/2024 | Not Trading |
| GT ENERGY CROATIA LIMITED | 15019171 | 21/07/2023 | Bronze |
| GT ENERGY UK LIMITED | 08451346 | 29/03/2023 | One Red Flag |
| IGAS ENERGY DEVELOPMENT LIMITED | 07240286 | 05/06/2024 | Bronze |
| IGAS ENERGY ENTERPRISE LIMITED | 05457589 | 05/06/2024 | Bronze |
| IGAS ENERGY PRODUCTION LIMITED | SC298739 | 05/06/2024 | Bronze |
| ISLAND GAS (SINGLETON) LIMITED | 01021095 | 05/06/2024 | Gold |
| ISLAND GAS LIMITED | 04962079 | 05/06/2024 | Bronze |
| ISLAND GAS OPERATIONS LIMITED | 03999194 | 05/06/2024 | Not Trading |
| STAR ENERGY GROUP PLC | 04981279 | 12/06/2024 | Amber |
| STAR ENERGY LIMITED | 03806814 | 05/06/2024 | Amber |
| STAR ENERGY WEALD BASIN LIMITED | 06293763 | 05/06/2024 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|