| Company | Timeline | Status | |
| Green Transition Development Ltd Director • Director | 13 Feb 2023←2 Years 10 Months→9 Dec 2025 | Dissolved | |
| Hydrojon Limited Director • Director | 26 Sep 2022←3 Years→Current | Active | |
| Hydrogen Scotland Ltd Director • Consultant | 11 Jun 2018←7 Years→Current | Active | |
