| Company | Timeline | Status | |
| Chesterton Court Management (High Wycombe) Limited Secretary • Secretary | 19 Mar 2004←1 Month→1 May 2004 | Active | |
| Oxford Analytical Limited Director • Director | 31 Jan 2000←11 Years→12 Dec 2011 | Dissolved | |
| Oxford Analytical Limited Secretary • Director | 31 Jan 2000←11 Years→12 Dec 2011 | Dissolved | |
Technichem Laboratories Limited Secretary • Unreported | 17 Jul 1991←10 Years→16 Jul 2001 | Dissolved | |
Technichem Laboratories Limited Director • Secretary | 17 Jul 1991←10 Years→16 Jul 2001 | Dissolved | |
