| Company | Timeline | Status | |
| Howitts Close Management Company Limited Director • Engineer | 11 Nov 2000←10 Years→13 Jun 2011 | Active | |
| Bookham Engineering (Contracts) Limited Director • Engineer | 28 Dec 1991←22 Years→27 Nov 2014 | Active | |
| Bookham Engineering (Contracts) Limited Secretary • Engineer | 28 Dec 1991←22 Years→27 Nov 2014 | Active | |
| Jameson Group (Leatherhead) Limited Director • Engineer | 25 Dec 1991←22 Years→27 Nov 2014 | Active | |
| Jameson Group (Leatherhead) Limited Secretary • Unreported | 25 Dec 1991←22 Years→27 Nov 2014 | Active | |
