| Company | Timeline | Status | |
| Arcadis Consulting (UK) Limited Director • Civil Engineer | 5 Sep 2006←3 Years→9 Apr 2010 | Active | |
| Hyder Consulting Overseas Limited Director • Engineer | 6 Apr 2006←2 Years 11 Months→17 Mar 2009 | Dissolved | |
| Cowi UK Limited Director • Engineer | 1 Dec 2001←3 Years→31 Dec 2004 | Active | |
