| Company | Timeline | Status | |
Jenoptik (UK) Limited Director • Consultant | 1 Sep 2007←1 Year 7 Months→31 Mar 2009 | Dissolved | |
| Downton Technology Ltd Director • Technology | 31 Jul 2002←20 Years→27 Dec 2022 | Dissolved | |
| Downton Technology Ltd Secretary • Unreported | 5 Nov 1998←5 Years→22 Oct 2004 | Dissolved | |
