| Company | Timeline | Status | |
| Craneswater Press Ltd Director • Researcher | 16 Jun 2016←9 Years→Current | Active | |
| Context Research Ltd Director • Unreported | 10 Oct 2012←13 Years→Current | Active | |
| SPMC Associates Ltd Director • Unreported | 10 Oct 2012←13 Years→Current | Active | |
| UK Systems Society Director • Principal Lecturer | 4 Sep 2007←6 Years→28 May 2014 | Active | |
