| Company | Timeline | Status | |
| Hyperion Dynamics Limited Director • Director | 13 Jul 2022←3 Years→2 Dec 2025 | Dissolved | |
| Handford Research Limited Secretary • Aerodynamicist | 1 Apr 2003←22 Years→Current | Active | |
| Handford Research Limited Director • Engineer | 28 Feb 2003←22 Years→Current | Active | |
