| Company | Timeline | Status | |
| Mulholland & Doherty Limited Director • Consulting Engineer | 28 Nov 2007←2 Years 9 Months→20 Sep 2010 | Dissolved | |
| Bullen Consultants Limited Director • Civil Engineer | 1 Jul 2002←8 Years→20 Sep 2010 | Active | |
| Endev Ltd Director • Civil Engineer | 3 Apr 2001←24 Years→Current | Active | |
| Gault And Chambers, Bullen Limited Director • Chartered Engineer | 25 Jan 1995←10 Years→1 Apr 2005 | Active | |
