| Company | Timeline | Status | |
| Penhallow Geothermal Limited Director • Director | 1 Feb 2024←1 Year 8 Months→Current | Active | |
| Manhay Geothermal Limited Director • Director | 1 Feb 2024←1 Year 8 Months→Current | Active | |
| United Downs Lithium Limited Director • Director | 4 Nov 2022←2 Years 11 Months→Current | Active | |
| Geogen Limited Director • Director | 6 Jan 2021←4 Years→Current | Active | |
| Geocubed Limited Director • Director | 1 Jul 2020←1 Year 9 Months→28 Mar 2022 | Active | |
| United Downs Geothermal Limited Director • Director | 17 Jul 2017←8 Years→Current | Active | |
| SKRL Limited Director • Director | 13 Mar 2015←9 Years→26 Mar 2024 | Dissolved | |
| Geon Energy Limited Director • Director | 25 Nov 2014←10 Years→Current | Active | |
| Geothermal Engineering Limited Director • Engineer | 4 Aug 2008←17 Years→Current | Active | |
| Blues Match Limited Director • Engineer | 23 Feb 2007←18 Years→Current | Active | |
