| Company | Timeline | Status | |
| Major Projects Association Director • Executive Director | 1 Nov 2007←6 Years→31 Jan 2014 | Active | |
| D Impact Ltd Director • Unreported | 16 Dec 1999←3 Years→31 Mar 2003 | Active | |
| Thirlmere Dormant 2 Ltd Director • Director | 10 Nov 1998←4 Years→15 Nov 2002 | Dissolved | |
| TRL Limited Director • Chartered Eng | 7 Apr 1997←5 Years→15 Nov 2002 | Active | |
| Transport Research Foundation Director • Chartered Eng | 7 Apr 1997←5 Years→15 Nov 2002 | Dissolved | |
| Capita Property And Infrastructure International Limited Director • Director | 9 Oct 1995←1 Year 1 Month→3 Dec 1996 | Active | |
| Jacobsgibb Ltd Director • Chartered Civil Engineer | 6 Feb 1995←8 Months→9 Oct 1995 | Active | |
