| Company | Timeline | Status | |
| Bedford Street Angels Director • Consultant Engineer | 15 Oct 2010←15 Years→Current | Active | |
| Abbey Precision Limited Director • Consultant Engineer | 2 Sep 2009←16 Years→Current | Active | |
| Amicus Trust Limited Director • Consultant Engineer | 23 Jan 2007←18 Years→Current | Active | |
| Pope & Meads Limited Director • Consultant Engineer | 23 Aug 2002←23 Years→Current | Active | |
| Spicer Consulting Limited Director • Consultant Engineer | 31 Jan 2001←24 Years→Current | Active | |
