| Company | Timeline | Status | |
| Halcrow Management Sciences Limited Director • Managing Director | 29 May 2013←1 Year 6 Months→28 Nov 2014 | Dissolved | |
Halcrow Waterman Limited Director • Managing Director | 8 Mar 2012←2 Years 8 Months→28 Nov 2014 | Dissolved | |
| Yolles Partnership Limited Director • Managing Director | 8 Mar 2012←2 Years 8 Months→28 Nov 2014 | Dissolved | |
| Halcrow Canada Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Dissolved | |
| Halcrow Water Services Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Dissolved | |
| Halcrow International Partnership Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Active | |
| Crouch Hogg Waterman Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Dissolved | |
| Burderop Investments Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Dissolved | |
| Halcrow International Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Active | |
| Halcrow Consulting Limited Director • Managing Director | 25 Nov 2011←3 Years→28 Nov 2014 | Active | |
