| Company | Timeline | Status | |
| 71 Kelvin Road Management Limited Director • Financial Director | 10 Aug 2002←19 Years→14 Apr 2022 | Active | |
| Williams Grand Prix Engineering Limited Director • Accountant | 14 Oct 1992←12 Years→30 Apr 2005 | Active | |
| Williams Grand Prix Engineering Limited Secretary • Unreported | 12 Sep 1992←11 Years→31 Dec 2003 | Active | |
