| Company | Timeline | Status | |
| Sugarox Limited Director • Institute Director | 12 May 2020←2 Years 9 Months→21 Feb 2023 | Active | |
| Rothamsted Manor Limited Director • Company Director | 31 Dec 2019←2 Years 2 Months→8 Mar 2022 | Dissolved | |
| Rothamsted Experimental Station Limited Director • Company Director | 31 Dec 2019←5 Years→1 Aug 2025 | Active | |
| Rothamsted International Consulting Limited Director • Company Director | 31 Dec 2019←5 Years→1 Aug 2025 | Active | |
| Genetic Technologies Limited Director • Company Director | 31 Dec 2019←5 Years→1 Aug 2025 | Active | |
| Rothamsted Research Holdings Limited Director • Company Director | 31 Dec 2019←5 Years→1 Aug 2025 | Active | |
| Rothamsted Enterprises Limited Director • Director | 28 Jun 2018←6 Years→16 May 2025 | Active | |
| The Harpenden Secondary Schools Trust Director • Research Scientist | 12 Jul 2017←8 Years→31 Aug 2025 | Active | |
| Harpenden Secondary Education Trust Director • Research Scientist | 4 Apr 2017←5 Years→31 Aug 2022 | Active | |
