| Company | Timeline | Status | |
| Radioactive Waste Management Limited Director • Professor | 29 Nov 2016←5 Years→31 Dec 2021 | Active | |
| Marginal Field Development Company (Mfdevco) Ltd Director • Geologist | 23 Aug 2016←2 Years 7 Months→1 Apr 2019 | Dissolved | |
| Guardian Metals Plc Director • Lecturer | 1 Apr 2014←5 Years→30 Sep 2019 | Active | |
| M & P Bowman Consulting Limited Director • Geologist | 22 Feb 2011←9 Years→29 Dec 2020 | Dissolved | |
