| Company | Timeline | Status | |
| Marshall Land Systems Ltd Director • Director | 1 May 1999←29 Days→30 May 1999 | Active | |
| Great North Eastern Railway Company Limited Director • Company Director | 31 Dec 1992←3 Years→21 Feb 1996 | Dissolved | |
| Cambus Limited Director • Company Engineering Director | 4 Jun 1992←3 Years→21 Feb 1996 | Active | |
The Viscount Bus & Coach Company Limited Director • Company Engineering Director | 3 Jul 1991←4 Years→21 Feb 1996 | Dissolved | |
