| Company | Timeline | Status | |
| Acoro Medical Limited Director • Professor Of Physics | 27 Jul 2023←2 Years 5 Months→Current | Active | |
| Cavero Quantum Limited Director • Unreported | 18 Nov 2020←5 Years→Current | Active | |
Cryptographiq Limited Director • Physicist | 25 Jun 2012←6 Years→31 Jul 2018 | Dissolved | |
