| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BACTON CCS LIMITED | 15143797 | 04/09/2024 | Bronze |
| ENI CCUS HOLDING LIMITED | 14821773 | 24/04/2023 | Gold |
| ENI LASMO PLC | 01008965 | 21/04/2022 | Gold |
| ENI LIVERPOOL BAY OPERATING COMPANY LIMITED | 01003825 | 17/12/2013 | Not Trading |
| ENI MOZAMBIQUE ENGINEERING LIMITED | 09104675 | 24/05/2019 | Dissolved |
| ENI TELLUS CCS LIMITED | 14313505 | 01/09/2024 | Bronze |
| ENI UK LIMITED | 00862823 | 15/12/2016 | Silver |
| LIVERPOOL BAY LIMITED | 08555007 | 18/04/2019 | Dissolved |
| Rmp Consultants Ltd | 03207379 | 04/06/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANNOUNCE IT LIMITED | 03357224 | 01/04/1999 | 30/03/2004 | Dissolved |
| ENI ENERGY GROUP HOLDINGS LIMITED | 10647966 | 31/01/2024 | 07/06/2024 | Silver |
| ENI ENERGY GROUP LIMITED | 10647707 | 31/01/2024 | 07/06/2024 | Silver |
| ENI ENERGY GROUP MIDCO LIMITED | 10684661 | 31/01/2024 | 07/06/2024 | Gold |
| ENI ENERGY GROUP RESOURCING LIMITED | 12756906 | 31/01/2024 | 01/05/2024 | Amber |
| ENI ENERGY HYDROGEN LIMITED | 14313550 | 31/01/2024 | 07/06/2024 | Strike Off |
| ENI INTERNATIONAL RESOURCES LIMITED | 04339898 | 09/03/2015 | 09/04/2019 | Bronze |
| ITHACA (NE) E&P LIMITED | 01483021 | 31/01/2024 | 07/06/2024 | Gold |
| ITHACA (NE) UKCS LIMITED | 03386464 | 31/01/2024 | 07/06/2024 | Amber |
| NORTH SEA WIND LIMITED | 13029372 | 18/11/2020 | 25/04/2024 | Silver |
| SOLENOVA LIMITED | 12272525 | 21/10/2019 | 09/10/2023 | Amber |
| VÅRGRØNN SERVICE CO LIMITED | 14700270 | 02/03/2023 | 25/04/2024 | Bronze |