| Company | Timeline | Status | |
| Interoperability Services Limited Director • Unreported | 20 Nov 2003←22 Years→Current | Active | |
| Wyvernrail Plc Director • Unreported | 12 Oct 1992←33 Years→Current | Active | |
| Peak Rail Limited Director • Engineer | 5 Aug 1991←11 Months→17 Jul 1992 | Active | |
