| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Halcrow McLachlan Ltd | 02338761 | 20/03/1996 | Dissolved |
| Halcrow Partnership Administration Limited | 02845480 | 01/01/1998 | Dissolved |
| Halcrow Properties Ltd | 02702093 | 01/01/1998 | Dissolved |
| Sir William Halcrow & Partners (Greece) Ltd | 02363479 | 01/05/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Airplan Aviation Technical Services Ltd. | 02920102 | 26/06/1998 | 13/03/2000 | Dissolved |
| Airplan Aviation Technical Services Ltd. | 02920102 | 26/06/1998 | 13/03/2000 | Dissolved |
| BURDEROP INVESTMENTS LIMITED | 02485284 | 01/01/1998 | 13/03/2000 | Dissolved |
| CROUCH HOGG WATERMAN LIMITED | SC136186 | 03/06/1997 | 13/03/2000 | Dissolved |
| Cdm Consultancy Services Ltd | SC137867 | 19/06/1997 | 13/03/2000 | Dissolved |
| HALCROW (CONSULTING ENGINEERS & ARCHITECTS) LIMITED | 01045458 | 01/05/1996 | 13/03/2000 | Amber |
| HALCROW ASIA LIMITED | 02458827 | 01/05/1996 | 13/03/2000 | One Red Flag |
| HALCROW ASIA PARTNERSHIP LIMITED | 02490667 | 01/05/1996 | 13/03/2000 | One Red Flag |
| HALCROW CONSULTING LIMITED | 02326761 | 01/01/1998 | 13/03/2000 | One Red Flag |
| HALCROW CROUCH LIMITED | SC176136 | 03/06/1997 | 13/03/2000 | Dissolved |
| HALCROW FOX AND ASSOCIATES LIMITED | 00816972 | 31/10/1996 | 13/03/2000 | Dissolved |
| HALCROW GILBERT ASSOCIATES LIMITED | 02312495 | 01/04/1996 | 13/03/2000 | Dissolved |
| HALCROW GROUP LIMITED | 03415971 | 06/08/1997 | 13/03/2000 | Amber |
| HALCROW H&S LIMITED | 02288955 | 01/01/1998 | 13/03/2000 | Dissolved |
| HALCROW HOLDINGS LIMITED | 01674044 | 01/05/1996 | 13/03/2000 | One Red Flag |
| HALCROW INTERNATIONAL LIMITED | 02326765 | 01/01/1998 | 13/03/2000 | Amber |
| HALCROW INTERNATIONAL PARTNERSHIP | 02809680 | 01/01/1998 | 13/03/2000 | Amber |
| HALCROW LIMITED | 02999602 | 01/01/1998 | 13/03/2000 | Dissolved |
| HALCROW LIMITED | 02999602 | 01/05/1996 | 13/03/2000 | Dissolved |
| HALCROW MANAGEMENT SCIENCES LIMITED | 02770883 | 01/01/1998 | 13/03/2000 | Dissolved |
| HALCROW RURAL MANAGEMENT LIMITED | 02603242 | 01/01/1998 | 13/03/2000 | Dissolved |
| HALCROW STAFF AND SERVICES | 01193727 | 01/01/1998 | 13/03/2000 | Dissolved |
| HALCROW WATERMAN LIMITED | SC176135 | 03/06/1997 | 13/03/2000 | Dissolved |
| Halcrow Gulf Ltd | 02616368 | 01/05/1996 | 13/03/2000 | Dissolved |
| LEWIS R. CARNAN LIMITED | 01315274 | 19/06/1997 | 13/03/2000 | Dissolved |
| MECHANICAL AND ELECTRICAL DESIGN ASSOCIATES LIMITED | 00878811 | 24/12/1996 | 13/03/2000 | Dissolved |
| SHORTLANDS INVESTMENTS LIMITED | 02486041 | 01/10/1996 | 19/12/1997 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS (MALAYSIA) LIMITED | 02314593 | 01/01/1998 | 13/03/2000 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS LIMITED | 01722541 | 01/05/1996 | 13/03/2000 | Strike Off |
| SIR WILLIAM HALCROW & PARTNERS SCOTLAND LIMITED | SC142384 | 01/05/1996 | 13/03/2000 | Dissolved |
| Silbury Consulting Ltd | 05483125 | 16/06/2005 | 10/02/2006 | Dissolved |
| TRANSECON INTERNATIONAL LIMITED | 02092471 | 31/12/1998 | 13/03/2000 | Dissolved |
| TRANSMARK (CONSULTANTS) LIMITED | 01048112 | 31/12/1998 | 13/03/2000 | Dissolved |
| TRANSMARK ASIA LIMITED | 02815214 | 31/12/1998 | 13/03/2000 | One Red Flag |
| TRANSPORTATION SYSTEMS AND MARKET RESEARCH LIMITED | 00964333 | 31/12/1998 | 13/03/2000 | Dissolved |
| Vineyard House Ltd | 01586245 | 01/05/1996 | 13/03/2000 | Dissolved |