| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| OAKHILL ROAD, SEVENOAKS, LIMITED | 00270988 | 27/03/2024 | Gold |
| PLANET OIL INTERNATIONAL LIMITED | 03589112 | 23/11/2020 | Dissolved |
| TULLOW ARGENTINA LIMITED | 12003213 | 23/11/2020 | Amber |
| TULLOW COMOROS LIMITED | 11590604 | 23/11/2020 | Gold |
| TULLOW CÔTE D'IVOIRE ONSHORE LIMITED | 10233930 | 23/11/2020 | Amber |
| TULLOW GROUP SERVICES LIMITED | 05660209 | 23/11/2020 | Amber |
| TULLOW HARDMAN HOLDINGS B.V. | FC039954 | 02/11/2022 | Bronze |
| TULLOW JAMAICA LIMITED | 09162755 | 23/11/2020 | Dissolved |
| TULLOW MOZAMBIQUE LIMITED | 07672804 | 23/11/2020 | Amber |
| TULLOW NEW VENTURES LIMITED | 10233912 | 23/11/2020 | Silver |
| TULLOW OIL 100 LIMITED | 07086877 | 23/11/2020 | Dissolved |
| TULLOW OIL 101 LIMITED | 07639401 | 23/11/2020 | Dissolved |
| TULLOW OIL FINANCE LIMITED | 08107505 | 23/11/2020 | Bronze |
| TULLOW OIL INTERNATIONAL LIMITED | FC039507 | 24/05/2022 | Bronze |
| TULLOW OIL SK LIMITED | 05287330 | 23/11/2020 | Amber |
| TULLOW OIL SNS LIMITED | 05064884 | 23/11/2020 | Dissolved |
| TULLOW OIL SPE LIMITED | 04609980 | 23/11/2020 | Gold |
| TULLOW PERU LIMITED | 10963759 | 23/11/2020 | Gold |
| TULLOW SENEGAL EXPLORATION LIMITED | 10588526 | 23/11/2020 | Dissolved |
| TULLOW SURINAME B.V. | FC039955 | 02/11/2022 | Bronze |
| TULLOW TECHNOLOGIES LIMITED | 10773467 | 23/11/2020 | Dissolved |
| TULLOW UGANDA HOLDINGS B.V. | FC039956 | 02/11/2022 | Dissolved |
| TULLOW URUGUAY LIMITED | 08107466 | 23/11/2020 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DEE (RIFT EXPLORATION) LIMITED | 09809303 | 05/10/2015 | 30/06/2020 | Dissolved |
| DELONEX CHAD (ONE) LIMITED | 10761849 | 09/05/2017 | 30/06/2020 | Amber |
| DELONEX CHAD HOLDINGS (ONE) LIMITED | 10759474 | 08/05/2017 | 30/06/2020 | One Red Flag |
| DELONEX ENERGY ETHIOPIA LIMITED | 09057650 | 27/05/2014 | 30/06/2020 | Strike Off |
| DELONEX ENERGY HOLDINGS LIMITED | 09057337 | 27/05/2014 | 30/06/2020 | Strike Off |
| DELONEX ENERGY UK LIMITED | 08199367 | 29/09/2014 | 30/06/2020 | Silver |
| DELONEX ETHIOPIA HOLDINGS (TWO) LIMITED | 09806713 | 02/10/2015 | 30/06/2020 | Dissolved |
| DELONEX KENYA (ONE) LIMITED | 09809308 | 05/10/2015 | 30/06/2020 | Dissolved |
| DELONEX KENYA HOLDINGS (ONE) LIMITED | 09806855 | 02/10/2015 | 30/06/2020 | Dissolved |
| DELONEX MOZAMBIQUE HOLDINGS (ONE) LIMITED | 09922906 | 18/12/2015 | 30/06/2020 | Dissolved |
| DELONEX NIGERIA HOLDINGS (ONE) LIMITED | 11455809 | 09/07/2018 | 30/06/2020 | Dissolved |
| DELONEX NOMINEE LIMITED | 08568669 | 12/02/2015 | 30/06/2020 | Dissolved |