| Company | Timeline | Status | |
| Land & Marine Environmental Limited Director • Sales Director | 22 May 2000←25 Years→Current | Active | |
| Phoenix Instrumentation Limited Director • Sales Director | 1 Oct 1999←26 Years→Current | Active | |
| Phox Systems Limited Director • Sales Director | 30 Sep 1992←1 Year 8 Months→9 Jun 1994 | Dissolved | |
