| Company | Timeline | Status | |
| Bluesky Property Management Limited Director • Engineer | 1 Mar 2020←5 Years→Current | Active | |
| Maplesoft Europe Limited Director • Director | 18 Dec 2013←4 Years→31 Mar 2018 | Active | |
Adept Scientific Limited Director • Company Director | 1 Aug 2007←6 Years→13 Sep 2013 | Dissolved | |
| Shawcity Limited Director • Sales Manager | 8 Feb 2006←7 Months→29 Sep 2006 | Active | |
| Eltek Limited Director • Sales Director | 17 Jan 2001←4 Years→18 Oct 2005 | Active | |
| Grant Instruments (Cambridge) Limited Director • None | 17 Jan 2001←4 Years→31 Aug 2005 | Active | |
| Hygrox Limited Director • Sales Director | 25 Jan 1999←26 Years→Current | Active | |
