| Company | Timeline | Status | |
| WSCC Motorsport Limited Director • Retired | 1 Aug 2020←3 Years→14 Apr 2024 | Active | |
| Rail Industry Contractors Association Ltd Director • Civil Engineer | 8 Jul 1999←10 Years→18 May 2010 | Active | |
| Tetra Tech Limited Director • Engineer | 1 Jan 1998←10 Years→1 Jul 2008 | Active | |
