| Company | Timeline | Status | |
| Hay Hill House (Management) Ltd Director • Scientist | 26 Mar 2010←2 Years 8 Months→30 Nov 2012 | Active | |
| Connected Systems Ltd Secretary • Director | 23 Feb 1996←29 Years→Current | Active | |
| Connected Systems Ltd Director • Director | 23 Feb 1996←29 Years→Current | Active | |
| Buchanan's Wharf Management Company Limited Director • Scientist | 8 Jun 1993←7 Years→1 Oct 2000 | Active | |
