| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HALCROW (CONSULTING ENGINEERS & ARCHITECTS) LIMITED | 01045458 | 08/09/2003 | 03/10/2008 | Amber |
| HALCROW ASIA LIMITED | 02458827 | 25/07/1995 | 03/10/2008 | One Red Flag |
| HALCROW GROUP LIMITED | 03415971 | 03/04/1998 | 03/10/2008 | Amber |
| HALCROW H&S LIMITED | 02288955 | 15/11/1991 | 11/01/1994 | Dissolved |
| HALCROW STAFF AND SERVICES | 01193727 | 08/05/2001 | 03/10/2008 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS (MALAYSIA) LIMITED | 02314593 | 02/02/1994 | 01/09/1997 | Dissolved |
| SIR WILLIAM HALCROW & PARTNERS LIMITED | 01722541 | 01/05/1995 | 06/12/2004 | Strike Off |
| TRANSPORTATION SYSTEMS AND MARKET RESEARCH LIMITED | 00964333 | 01/01/1997 | 11/06/1999 | Dissolved |