| Company | Timeline | Status | |
| Horizon Energy Acquisition Limited Director • Geologist | 1 Apr 2023←2 Years 2 Months→27 Jun 2025 | Active | |
| Horizon Energy Partners Limited Director • Geologist | 1 Apr 2023←2 Years 2 Months→27 Jun 2025 | Active | |
| FG Geoscience Ltd Director • Director | 4 Oct 2021←1 Year 3 Months→24 Jan 2023 | Dissolved | |
| North Falkland Exploration Company Limited Director • Geologist | 19 Jun 2018←7 Years→Current | Active | |
| Heard Upstream Consulting Ltd Director • Geologist | 8 Mar 2017←8 Years→Current | Active | |
| UK Onshore Geophysical Library Director • Consultant | 27 Sep 2016←9 Years→Current | Active | |
| NP Oil & Gas Holdings Limited Director • Geologist | 30 Jun 2008←6 Years→5 Jan 2015 | Active | |
| Northpet Investments Limited Director • Geologist | 31 Dec 2007←7 Years→12 Jan 2015 | Dissolved | |
| Cabot Energy Limited Director • Geologist | 8 May 2007←7 Years→31 Dec 2014 | Dissolved | |
Gas Storage Limited Director • Geologist | 8 Mar 2007←1 Year 7 Months→17 Oct 2008 | Dissolved | |
