| Company | Timeline | Status | |
| Green Ammonia Working Group Ltd Director • Professor | 3 Dec 2021←3 Years→Current | Active | |
| Azzure Energy Limited Director • Company Director | 25 Aug 2020←3 Years→31 Oct 2023 | Dissolved | |
| Crystallografx Ltd Director • Research Scientist | 24 Feb 2000←24 Years→10 Dec 2024 | Dissolved | |
