| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Halcrow Berridge Ltd | 02555120 | 17/02/1992 | Dissolved |
| Halcrow Polymerics Ltd | 02599120 | 17/06/1991 | Dissolved |
| Halcrow S.E.A. Limited | 02305963 | 15/11/1991 | Dissolved |
| Hg Associates Ltd | 02947360 | 11/07/1995 | Dissolved |
| Maps Reformed Ltd | 00201279 | 01/05/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BURDEROP INVESTMENTS LIMITED | 02485284 | 01/12/1991 | 01/01/1998 | Dissolved |
| HALCROW CONSULTING LIMITED | 02326761 | 15/11/1991 | 01/01/1998 | One Red Flag |
| HALCROW H&S LIMITED | 02288955 | 15/11/1991 | 01/01/1998 | Dissolved |
| HALCROW INTERNATIONAL LIMITED | 02326765 | 15/11/1991 | 01/01/1998 | Amber |
| HALCROW INTERNATIONAL PARTNERSHIP | 02809680 | 15/04/1993 | 01/01/1998 | Amber |
| HALCROW LIMITED | 02999602 | 08/12/1994 | 01/01/1998 | Dissolved |
| HALCROW MANAGEMENT SCIENCES LIMITED | 02770883 | 21/12/1992 | 01/01/1998 | Dissolved |
| HALCROW RURAL MANAGEMENT LIMITED | 02603242 | 19/04/1992 | 28/04/1990 | Dissolved |
| HALCROW STAFF AND SERVICES | 01193727 | 15/11/1992 | 01/01/1998 | Dissolved |
| Halcrow Partnership Administration Limited | 02845480 | 09/09/1993 | 01/01/1998 | Dissolved |
| Halcrow Properties Ltd | 02702093 | 13/04/1992 | 01/01/1998 | Dissolved |
| SHORTLANDS INVESTMENTS LIMITED | 02486041 | 01/12/1991 | 19/12/1997 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS (MALAYSIA) LIMITED | 02314593 | 01/12/1991 | 01/01/1998 | Dissolved |