| Company | Timeline | Status | |
| Halcrow Staff And Services Director • Chartered Engineer | 15 Nov 1992←2 Years 4 Months→5 Apr 1995 | Active | |
| Halcrow Consulting Limited Director • Chartered Engineer | 15 Nov 1991←3 Years→30 Apr 1995 | Dissolved | |
| Sir William Halcrow & Partners Limited Director • Chartered Engineer | 15 Nov 1991←3 Years→30 Apr 1995 | Active | |
| Halcrow Holdings Limited Director • Chartered Engineer | 6 Sep 1991←3 Years→30 Apr 1995 | Dissolved | |
| Halcrow Consulting Limited Director • Unreported | 1 Jan 1970←25 Years→30 Apr 1995 | Dissolved | |
| Sir William Halcrow & Partners Limited Director • Unreported | 1 Jan 1970←25 Years→30 Apr 1995 | Active | |
| Halcrow Staff And Services Director • Unreported | 1 Jan 1970←25 Years→5 Apr 1995 | Active | |
