| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ITHACA ALPHA (N.I.) LIMITED | NI073431 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA CAUSEWAY LIMITED | 06167799 | 24/08/2020 | 14/09/2021 | Not Trading |
| ITHACA DORSET LIMITED | 01135213 | 24/08/2020 | 14/09/2021 | Not Trading |
| ITHACA ENERGY (NORTH SEA) PLC | SC595124 | 24/08/2020 | 14/09/2021 | Amber |
| ITHACA ENERGY (UK) LIMITED | SC272009 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA ENERGY DEVELOPMENTS UK LIMITED | 07105041 | 24/08/2020 | 14/09/2021 | Bronze |
| ITHACA ENERGY HOLDINGS (UK) LIMITED | SC437615 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA EPSILON LIMITED | 05979869 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA EXPLORATION LIMITED | 05914627 | 24/08/2020 | 14/09/2021 | Gold |
| ITHACA GAMMA LIMITED | 05929104 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA MINERALS (NORTH SEA) LIMITED | SC274666 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA OIL AND GAS LIMITED | 01546623 | 24/08/2020 | 14/09/2021 | Amber |
| ITHACA PETROLEUM LIMITED | 05223667 | 24/08/2020 | 14/09/2021 | Silver |
| ITHACA SP UK LIMITED | 02586927 | 24/08/2020 | 14/09/2021 | Not Trading |
| ITHACA SPL LIMITED | 01275469 | 24/08/2020 | 14/09/2021 | Dissolved |