| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENI UFL LIMITED | 02325373 | 19/09/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AZULE ENERGY HOLDINGS LIMITED | 13947643 | 01/03/2022 | 01/08/2022 | Silver |
| BURREN ENERGY (EGYPT) LIMITED | 04948245 | 06/08/2020 | 13/10/2022 | One Red Flag |
| BURREN ENERGY INDIA LIMITED | 05319270 | 06/08/2020 | 13/10/2022 | Gold |
| BURREN ENERGY PLC | 03492720 | 06/08/2020 | 13/10/2022 | Gold |
| ENI AUSTRALIA LIMITED | 01020949 | 06/08/2020 | 13/10/2022 | Amber |
| ENI CBM LIMITED | 07036327 | 06/08/2020 | 06/10/2022 | Gold |
| ENI COTE D'IVOIRE LIMITED | 02556415 | 06/08/2020 | 13/10/2022 | Amber |
| ENI HYDROCARBONS VENEZUELA LIMITED | 01452037 | 06/08/2020 | 13/10/2022 | Gold |
| ENI INDIA LIMITED | 02735371 | 06/08/2020 | 13/10/2022 | Amber |
| ENI INDONESIA LIMITED | 02334535 | 06/08/2020 | 06/10/2022 | Not Trading |
| ENI INVESTMENTS PLC | 04126448 | 06/08/2020 | 13/10/2022 | Gold |
| ENI JPDA 03-13 LIMITED | 02664257 | 06/08/2020 | 13/10/2022 | Silver |
| ENI KRUENG MANE LIMITED | 03562003 | 06/08/2020 | 06/10/2022 | Not Trading |
| ENI LASMO PLC | 01008965 | 06/08/2020 | 13/10/2022 | Gold |
| ENI LIVERPOOL BAY OPERATING COMPANY LIMITED | 01003825 | 06/08/2020 | 28/05/2021 | Not Trading |
| ENI MIDDLE EAST LIMITED | 03180997 | 06/08/2020 | 13/10/2022 | Amber |
| ENI OIL ALGERIA LIMITED | 02274210 | 06/08/2020 | 13/10/2022 | Silver |
| ENI TNS LIMITED | SC055200 | 06/08/2020 | 28/05/2021 | Not Trading |
| ENI UHL LIMITED | 00916179 | 06/08/2020 | 13/10/2022 | Silver |
| ENI UK HOLDING PLC | 06428648 | 06/08/2020 | 13/10/2022 | Silver |
| ENI UK LIMITED | 00862823 | 08/04/2021 | 10/10/2022 | Silver |
| ENI ULT LIMITED | 00301317 | 06/08/2020 | 13/10/2022 | Silver |
| ENI ULX LIMITED | 00936223 | 06/08/2020 | 13/10/2022 | Silver |
| ENI WEST TIMOR LIMITED | 06606325 | 06/08/2020 | 06/10/2022 | Not Trading |
| ENI YEMEN LIMITED | 05567365 | 06/08/2020 | 13/10/2022 | Gold |
| LIVERPOOL BAY CCS LIMITED | 13194018 | 10/02/2021 | 13/10/2022 | Silver |
| LIVERPOOL BAY LIMITED | 08555007 | 06/08/2020 | 13/10/2022 | Dissolved |
| NORPIPE PETROLEUM UK LIMITED | 01118667 | 02/05/2022 | 16/12/2022 | Bronze |
| NORPIPE TERMINAL HOLDCO LIMITED | 11436690 | 02/05/2022 | 16/12/2022 | Bronze |
| NORSEA PIPELINE LIMITED | 01083848 | 02/05/2022 | 16/12/2022 | Silver |
| PRIME PAKISTAN LIMITED | 00151940 | 06/08/2020 | 13/10/2022 | Silver |
| THE ITALIAN CHAMBER OF COMMERCE AND INDUSTRY FOR THE UNITED KINGDOM | 00598572 | 03/01/2012 | 17/05/2016 | Gold |
| VIC CBM LIMITED | 07079191 | 06/08/2020 | 13/10/2022 | Amber |
| VIRGINIA INDONESIA CO. CBM LIMITED | 07079220 | 06/08/2020 | 13/10/2022 | Amber |