| Company | Timeline | Status | |
| A4altruistic Director • None | 13 Jun 2014←11 Years→Current | Active | |
| Classical Concerts London Limited Director • Consultant | 14 Mar 2014←11 Years→Current | Active | |
| Erasmus Computing Limited Director • Consultant | 31 Dec 2005←19 Years→Current | Active | |
| Erasmus Computing Limited Director • Computer Consultant | 1 Mar 1994←7 Years→6 Jun 2001 | Active | |
