| Company | Timeline | Status | |
| Warwick Analytical Service Ltd Director • European Sales Manager | 8 May 2002←15 Years→27 Sep 2017 | Dissolved | |
| Warwick Analytical Service Ltd Secretary • European Sales Manager | 8 May 2002←15 Years→27 Sep 2017 | Dissolved | |
| Exeter Analytical (UK) Limited Secretary • Sales Manager | 5 Sep 1994←23 Years→27 Sep 2017 | Active | |
| Medac Limited Director • Unreported | 1 Sep 1991←2 Months→27 Nov 1991 | Active | |
