| Company | Timeline | Status | |
| Chemitrace Limited Director • Unreported | 11 Jan 2012←13 Years→Current | Active | |
Biomark Limited Secretary • Unreported | 20 Dec 2006←13 Years→17 Mar 2020 | Dissolved | |
Biomark Limited Director • Scientist | 20 Dec 2006←13 Years→17 Mar 2020 | Dissolved | |
A.B. Biomonitoring Limited Director • Scientist | 1 Oct 1998←12 Years→1 Jul 2011 | Dissolved | |
A.B. Biomonitoring Limited Secretary • Scientist | 1 Oct 1998←12 Years→1 Jul 2011 | Dissolved | |
