| Company | Timeline | Status | |
| Waterloo North Limited Director • Chartered Engineer | 27 Jan 1999←3 Years→8 Nov 2002 | Dissolved | |
| Weir Engineering Services Limited Director • Chartered Engineer | 27 Mar 1989←13 Years→31 May 2002 | Active | |
| Beama Limited Director • Unreported | 1 Jan 1970←29 Years→20 Sep 1999 | Active | |
