| Company | Timeline | Status | |
| Neumetrix Limited Director • Software Engineer | 24 Sep 2015←10 Years→Current | Active | |
| Higher Ashlands Management Company Limited Director • Software Engineer | 29 Mar 2011←14 Years→Current | Active | |
| Simtec Limited Director • Software Engineer | 11 Aug 1991←25 Years→10 Jun 2017 | Dissolved | |
