| Company | Timeline | Status | |
| D. Lake & Co. Limited Director • Unreported  | 30 Jan 2009←16 Years→Current  | Active  | |
| Aecom Design Build (Holdings) Limited Director • Director  | 19 Oct 2005←3 Years→30 Jan 2009  | Active  | |
| Aecom Design Build Limited Director • Director  | 19 Oct 2005←3 Years→30 Jan 2009  | Active  | |
Reid Crowther Consulting Ltd Director • Director  | 5 Sep 2005←3 Years→30 Jan 2009  | Dissolved  | |
BGP-Reid Crowther Limited Director • Director  | 5 Sep 2005←3 Years→30 Jan 2009  | Dissolved  | |
| Ancala Water Services (Estates) Limited Director • Chartered Accountant  | 7 Apr 2005←4 Years→22 Oct 2009  | Active  | |
| Ancala Water Services (Defence) Limited Director • Chartered Accountant  | 7 Apr 2005←4 Years→22 Oct 2009  | Active  | |
| Lendlease Europe International Limited Director • Accountant  | 14 Jun 1992←7 Years→27 Sep 1999  | Active  | |
| Lehrer McGovern International Limited Director • Unreported  | 20 Jan 1992←1 Year 11 Months→31 Dec 1993  | Active  | |
