| Company | Timeline | Status | |
| Nartm Director • Chartered Engineer/company Dir | 2 Aug 2010←15 Years→Current | Active | |
| Helacol Services Limited Director • Engineer | 7 Jan 2008←17 Years→Current | Active | |
| National Transport Trust Director • Engineering Consultant | 17 Jun 2007←8 Years→1 Jun 2016 | Converted/Closed | |
| The Thames Valley And Great Western Omnibus Trust Director • Engineering Consultant | 5 Feb 2004←21 Years→Current | Active | |
| The West Country Historic Omnibus And Transport Trust Director • Engineering Consultant | 26 May 1999←9 Years→30 Sep 2008 | Active | |
| Helacol Limited Director • Consulting Engineer | 13 Jul 1991←34 Years→Current | Active | |
