| Company | Timeline | Status | |
| Avion Systems Consulting Ltd Director • Director | 24 Jun 2016←1 Year 3 Months→13 Oct 2017 | Active | |
| Professional Engineering Projects Limited Director • Consultant | 23 May 2007←3 Years→30 Sep 2010 | Active | |
| Railway And Industrial Safety Consultants Ltd Director • Safety Consultant | 18 Sep 2002←23 Years→Current | Active | |
