| Company | Timeline | Status | |
| Cornwall Geothermal Power Company Limited Director • Chairman | 26 Oct 2023←2 Years→Current | Active | |
| Parens Holdings Ltd Director • Unreported | 3 Jul 2023←2 Years 4 Months→Current | Active | |
| Geo Cornwall Limited Director • Unreported | 22 Sep 2022←3 Years→Current | Active | |
| Geoscience Limited Director • Chairman | 22 Sep 2022←3 Years→Current | Active | |
| Giraldus Ltd Director • Unreported | 2 Feb 2017←8 Years→Current | Active | |
| Simutec Systems Limited Director • Computer Consultant | 20 Jul 2000←25 Years→Current | Active | |
