| Company | Timeline | Status | |
| Photophysics Limited Secretary • Unreported | 12 Nov 2001←15 Years→27 Sep 2017 | Dissolved | |
| Applied Photophysics Employees' Trust Limited Secretary • Unreported | 19 Jun 2000←17 Years→27 Sep 2017 | Dissolved | |
| APL Holdings Limited Secretary • Unreported | 7 Jun 2000←17 Years→27 Sep 2017 | Active | |
| Applied Photophysics Limited Secretary • Unreported | 7 Jun 2000←17 Years→27 Sep 2017 | Active | |
| Brockham Bonfire Ltd Director • Chartered Accountant | 24 Oct 1997←24 Years→22 Aug 2022 | Active | |
