| Company | Timeline | Status | |
| Engineering Professors' Council Director • Academic | 14 Jan 2009←3 Years→17 Apr 2012 | Active | |
| Thomas Telford Limited Director • Academic | 23 Jan 2008←4 Years→24 Oct 2012 | Active | |
| Electrokinetic Limited Director • Lecturer | 20 Mar 2001←2 Years→3 Apr 2003 | Active | |
| The Robert Stephenson Trust Limited Director • University | 8 Jan 2001←5 Years→7 Aug 2006 | Converted/Closed | |
