| Company | Timeline | Status | |
| Windermere Residents Association Limited Director • Accountant | 7 Oct 2005←20 Years→Current | Active | |
| Dames & Moore Limited Secretary • Financial Director | 2 Dec 2002←5 Years→24 Nov 2008 | Dissolved | |
| URS Europe Limited Secretary • Financial Director | 25 Sep 2002←5 Years→1 Oct 2007 | Active | |
| URS Corporation Limited Secretary • Financial Director | 25 Sep 2002←5 Years→1 Oct 2007 | Active | |
| Woodward-Clyde Limited Director • Accountant | 30 Jun 2002←6 Years→24 Nov 2008 | Dissolved | |
| Dames & Moore Limited Director • Financial Director | 27 Mar 2002←6 Years→24 Nov 2008 | Dissolved | |
| URS Europe Limited Director • Financial Director | 18 Mar 2002←6 Years→24 Nov 2008 | Active | |
| URS Corporation Limited Director • Financial Director | 18 Mar 2002←6 Years→24 Nov 2008 | Active | |
| Thorburn Colquhoun Holdings Limited Director • Accountant | 18 Mar 2002←6 Years→24 Nov 2008 | Active | |
| Boosey & Hawkes Music Publishers Limited Director • Accountant | 5 Nov 2001←4 Months→15 Mar 2002 | Active | |
