| Company | Timeline | Status | |
| Truck Train Developments Limited Director • Consultant  | 6 Jul 1998←5 Years→4 Mar 2004  | Active  | |
| Railview Limited Director • Research Consultant  | 24 Oct 1996←28 Years→14 Oct 2025  | Dissolved  | |
| Railview Limited Secretary • Research Consultant  | 24 Oct 1996←28 Years→14 Oct 2025  | Dissolved  | |
