| Company | Timeline | Status | |
| RFMD (UK) Limited Director • Chartered Accountant | 15 Feb 2000←4 Years→28 May 2004 | Dissolved | |
| Isotek (Holdings) Limited Secretary • Unreported | 1 Oct 1997←9 Years→27 Jan 2007 | Active | |
| Isotek Limited Secretary • Unreported | 21 Jul 1997←10 Years→21 Apr 2008 | Dissolved | |
| Filtronic Wireless Ltd Secretary • Unreported | 30 Jun 1997←7 Years→4 Feb 2005 | Active | |
Teledyne Defence Limited Director • Chartered Accountant | 20 Jun 1997←6 Years→28 May 2004 | Dissolved | |
