| Company | Timeline | Status | |
| Portland Press Limited Director • Chief Executive | 1 Jul 2003←8 Months→10 Mar 2004 | Active | |
| Biochemical Society(The) Director • Chief Executive | 1 Jul 2003←1 Day→1 Jul 2003 | Active | |
| Galactic Salvage Ltd Secretary • Unreported | 5 Aug 1996←27 Years→12 Dec 2023 | Dissolved | |
