| Company | Timeline | Status | |
| Revolutionary Concepts Ltd Director • Chartered Engineer | 20 Apr 2022←3 Years→Current | Active | |
| Ga Proto Ltd Director • Engineer | 16 Dec 2020←2 Years 3 Months→12 Apr 2023 | Active | |
Series Stirling Engines Ltd Director • Mechanical Engineer | 6 Dec 2010←5 Years→27 Sep 2016 | Dissolved | |
