| Company | Timeline | Status | |
| Halcrow International Partnership Secretary • Unreported | 15 Apr 1993←4 Years→1 Jan 1998 | Active | |
| Halcrow Management Sciences Limited Secretary • Unreported | 21 Dec 1992←5 Years→1 Jan 1998 | Dissolved | |
| Halcrow Staff And Services Secretary • Unreported | 15 Nov 1992←5 Years→1 Jan 1998 | Dissolved | |
| Burderop Investments Limited Secretary • Unreported | 1 Dec 1991←6 Years→1 Jan 1998 | Dissolved | |
Sir William Halcrow & Partners (Malaysia) Limited Secretary • Unreported | 1 Dec 1991←6 Years→1 Jan 1998 | Dissolved | |
| Halcrow International Limited Secretary • Unreported | 15 Nov 1991←6 Years→1 Jan 1998 | Active | |
| Halcrow Consulting Limited Secretary • Unreported | 15 Nov 1991←6 Years→1 Jan 1998 | Active | |
