| CNG FORESIGHT LIMITED ▼12966109 | Active | GROUP | ORDINARY | 135,380,071 | 100.00% | 100.00% | 100.00% | 2025-11-07 |
| CNG SWINDON LIMITED13628116 | Active | DORMANT | ORDINARY | 100 | 100.00% | 100.00% | 100.00% | 2022-09-16 |
| CNG DONCASTER LIMITED13628219 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 100 | 100.00% | 100.00% | 100.00% | 2022-09-16 |
| CNG BOLTON LIMITED15577292 | Active | DORMANT | ORDINARY | 100 | 100.00% | 100.00% | 100.00% | 2025-03-18 |
| RENEWABLE TRANSPORT FUEL SERVICES LIMITED10726249 | Active | GROUP | ORDINARY | 6,000 | 29.41% | 29.41% | 29.41% | 2024-09-06 |
| CNG CREWE LTD09338704 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 1,334 | | | | 2021-12-03 |
| CNG INVESTMENTS LIMITED ▼10366545 | Active | SMALL | ORDINARY | 10,000 | | | | 2025-12-05 |
| CNG CORBY LIMITED10401953 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2023-04-27 |
| CNG CASTLEFORD LIMITED10612907 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2022-08-10 |
| CNG ERDINGTON LIMITED11426385 | Active | DORMANT | ORDINARY | 100 | | | | 2022-06-20 |
| CNG BARDON LIMITED11426472 | Active | DORMANT | ORDINARY | 100 | | | | 2023-06-20 |
| CNG WARRINGTON LIMITED11426522 | Active | DORMANT | ORDINARY | 100 | | | | 2022-06-20 |
| CNG NEWTON AYCLIFFE LIMITED13349375 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2023-04-20 |
| CNG LIVINGSTON LIMITED13514995 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2025-07-15 |
| CNG MAGOR LIMITED13590265 | Active | DORMANT | ORDINARY | 100 | | | | 2022-08-26 |
| CNG EXETER LIMITED13628152 | Active | DORMANT | ORDINARY | 100 | | | | 2022-09-16 |
| CNG BARNSLEY LIMITED13628223 | Active | DORMANT | ORDINARY | 100 | | | | 2022-09-16 |
| CNG CARLISLE LIMITED13628339 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 100 | | | | 2022-09-16 |
| CNG BANGOR LIMITED13630846 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2023-09-19 |
| CNG AVONMOUTH SOUTH LIMITED13641069 | Active | DORMANT | ORDINARY | 100 | | | | 2022-09-23 |
| HYFUELS LIMITED13695709 | Active | DORMANT | ORDINARY | 100 | | | | 2022-10-20 |
| CNG AYLESFORD LIMITED13919759 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 0 | | | | 2024-02-15 |
| CNG HINCKLEY LIMITED13920075 | Active | AUDIT EXEMPTION SUBSIDIARY | ORDINARY | 100 | | | | 2023-02-15 |
| CNG GOOLE LIMITED13920106 | Active | DORMANT | ORDINARY | 100 | | | | 2023-02-15 |
| CNG LAMESLEY LIMITED13920150 | Active | DORMANT | ORDINARY | 100 | | | | 2023-02-15 |
| CNG BRIDGWATER LIMITED14086695 | Active | DORMANT | ORDINARY | 100 | | | | 2023-05-03 |
| CNG APPLETON THORN LIMITED14165568 | Active | DORMANT | ORDINARY | 100 | | | | 2023-06-09 |
| CNG CROC DUNDEE LIMITED14449093 | Active | DORMANT | ORDINARY | 100 | | | | 2023-10-27 |
| CNG BIRSTALL LIMITED14645842 | Active | DORMANT | ORDINARY | 100 | | | | 2024-02-06 |
| CNG CHELMSFORD LIMITED14645931 | Active | DORMANT | ORDINARY | 100 | | | | 2024-02-06 |
| CNG BRADFORD LIMITED14645940 | Active | DORMANT | ORDINARY | 100 | | | | 2024-02-06 |