| Company | Timeline | Status | |
| Sdi Group Plc Director • Director | 9 Nov 2007←1 Year→28 Nov 2008 | Active | |
| Glaziers Hall Limited Director • Business Consultant | 19 Dec 2002←2 Years 2 Months→23 Feb 2005 | Active | |
| Eights Management Company Limited Director • Company Director | 13 May 1999←7 Years→24 Apr 2007 | Active | |
| Umist Ventures Limited Director • Consultant | 29 Jan 1997←7 Years→30 Sep 2004 | Dissolved | |
| Scientific Digital Imaging Limited Director • Consultant | 31 Aug 1995←13 Years→6 Dec 2008 | Active | |
| Kratos Group Plc Director • Businessman | 31 Dec 1992←18 Years→31 Mar 2011 | Active | |
| Synoptics Limited Director • Consultant | 3 Oct 1992←15 Years→19 Nov 2007 | Active | |
| Graseby Limited Director • Non-executive Director | 24 May 1991←1 Year 4 Months→15 Oct 1992 | Dissolved | |
| Scientific Instrument Makers Hall Limited Director • Director | 30 Sep 1990←17 Years→25 Oct 2007 | Active | |
