| Company | Timeline | Status | |
| Cloudclinic Limited Director • Software Developer | 9 Jan 2013←13 Years→Current | Active | |
| Oxford Diagnostics Limited Director • Computer Software Development | 8 Sep 2009←16 Years→Current | Active | |
| Baycloud Systems Limited Director • Chief Executive | 18 Nov 1997←28 Years→Current | Active | |
| NDL Software Limited Director • Computer Consultant | 31 Dec 1991←1 Year 1 Month→9 Feb 1993 | Active | |
