| Company | Timeline | Status | |
| Halcrow Pension Trustees Limited Director • Retired | 29 Sep 2015←1 Year→23 Oct 2016 | Dissolved | |
| Broadland Environmental Services Limited Director • Consulting Engineer | 15 May 2008←3 Years→23 Nov 2011 | Active | |
| Halcrow Water Services Limited Director • Chartered Engineer | 19 Jun 2007←4 Years→18 Aug 2011 | Dissolved | |
Halcrow Gilbert Associates Limited Director • Chartered Engineer | 1 Jan 1992←19 Years→18 Aug 2011 | Dissolved | |
