| Company | Timeline | Status | |
| Bittern Countryside Community Interest Company Director • Semi-retired Academic | 1 Jul 2019←6 Years→Current | Active | |
| Bittern Countryside Community Interest Company Director • Unreported | 1 Jul 2019←6 Years→23 Oct 2025 | Active | |
| Inglewood Court (Arnside) Management Company Limited Director • Semi-retired Research Scientist | 19 Nov 2013←4 Years→1 Oct 2018 | Active | |
Pharminox Limited Director • Professor | 19 Jan 2004←6 Years→1 Jul 2010 | Dissolved | |
| Halation Limited Director • Professor | 19 Jul 1999←25 Years→10 Sep 2024 | Dissolved | |
| Halation Limited Director • Professor | 19 Jul 1999←24 Years→11 Jun 2024 | Dissolved | |
Marloes Technologies Limited Director • University Professor | 6 Sep 1996←20 Years→28 Mar 2017 | Dissolved | |
Marloes Technologies Limited Secretary • University Professor | 6 Sep 1996←20 Years→28 Mar 2017 | Dissolved | |
| Vectura Limited Director • Director | 31 Dec 1992←6 Years→4 Aug 1999 | Active | |
