| Company | Timeline | Status | |
Envirospec Limited Director • Managing Director | 28 May 2002←1 Year 9 Months→15 Mar 2004 | Dissolved | |
| Saltire Pressure Control Limited Director • Managing Director | 25 Oct 1989←12 Years→1 Feb 2002 | Active | |
| AJT Engineering Limited Director • Plant Manager | 20 Apr 1989←5 Months→18 Sep 1989 | Active | |
