| Company | Timeline | Status | |
| Optimat Limited Director • Consultant | 1 May 1997←11 Months→1 Apr 1998 | Active | |
Marinetech South Limited Director • Engineer | 30 Nov 1994←1 Day→30 Nov 1994 | Dissolved | |
The Environment Council Director • Engineering Consultant | 20 Oct 1992←3 Years→8 Mar 1996 | Dissolved | |
