| Company | Timeline | Status | |
| Lingfield Guest House Trustee Limited Director • Microbiologist | 1 Sep 2016←8 Months→8 May 2017 | Active | |
| Phytoplasmas In Vitro Ltd Director • Scientist | 5 Jan 2012←11 Years→11 Apr 2023 | Dissolved | |
| Mycoplasma Experience Limited Secretary • Unreported | 1 Feb 1991←34 Years→Current | Active | |
| Mycoplasma Experience Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
