| Company | Timeline | Status | |
| Enviresearch Technologies Limited Director • Director | 29 Aug 2018←2 Years 6 Months→3 Mar 2021 | Active | |
| Prestel Property Limited Director • Scientist | 20 May 2016←8 Years→15 Apr 2025 | Dissolved | |
| Enviresearch Limited Director • Scientist | 24 Sep 2001←19 Years→3 Mar 2021 | Active | |
