| Company | Timeline | Status | |
| Eyebar One Ltd Director • Lecturer | 21 Jul 2025←4 Months→Current | Active | |
| Zero Petroleum Limited Director • Professor | 1 May 2020←5 Years→Current | Active | |
| Sysopt Ltd Director • Engineer | 5 Jul 2011←14 Years→Current | Active | |
| The Ecological Sequestration Trust Director • University Professor | 21 Apr 2011←14 Years→Current | Active | |
| Ashe Morris Ltd Director • Professor | 1 Sep 2005←20 Years→Current | Active | |
| Britest Limited Director • Professor | 11 Sep 2002←8 Years→31 Mar 2011 | Active | |
| Siemens Process Systems Engineering Limited Director • Senior Lecturer | 5 Mar 2001←6 Years→31 May 2007 | Active | |
