| Company | Timeline | Status | |
| Newmetrica (UK) Limited Director • Director | 8 Jan 2013←2 Months→21 Mar 2013 | Dissolved | |
| Prestonprofessional Limited Director • Unreported | 5 Jul 2010←15 Years→Current | Active | |
Reactivlab Limited Director • Company Director | 1 Jan 2009←1 Year 2 Months→9 Mar 2010 | Dissolved | |
| Moredun Scientific Limited Director • Company Director | 13 Jan 2005←11 Years→7 Sep 2016 | Active | |
Xstalbio Ltd Director • Company Director | 1 Nov 2004←15 Years→20 Mar 2020 | Dissolved | |
| Provensis Limited Director • Company Director | 16 Jan 2002←4 Years→31 May 2006 | Active | |
| The Pirbright Institute Director • Business Executive | 1 Mar 1998←3 Years→28 Feb 2001 | Active | |
