| Company | Timeline | Status | |
| Fairbourne Steam Railway Limited Director • Research Scientist | 9 Dec 2009←15 Years→Current | Active | |
| The North Wales Coast Light Railway Limited Director • Company Director/scientist | 19 Mar 2007←18 Years→Current | Active | |
| Morvus Technology Limited Director • Scientist | 28 Apr 2004←3 Years→12 Feb 2008 | Active | |
