| Company | Timeline | Status | |
| Jisc Services Limited Director • It Manager | 5 Dec 2002←4 Years→4 Dec 2006 | Active | |
| The Scottish Railway Preservation Society Director • Computer Manager | 1 Jun 1989←11 Months→17 May 1990 | Active | |
| The Scottish Railway Preservation Society Director • Unreported | 1 Jan 1970←20 Years→17 May 1990 | Active | |
