| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Evans Newell Ltd | 01835635 | 18/12/1991 | Dissolved |
| Rwa Consulting Engineers Limited | 01835277 | 18/12/1991 | Dissolved |
| Rwa Consulting Engineers Limited | 01835277 | 18/12/1991 | Dissolved |
| Ward,Ronald,Associates (Consulting Engineers) Ltd | 01477856 | 18/12/1991 | Dissolved |
| Ward,Ronald,Associates (Consulting Engineers) Ltd | 01477856 | 18/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| WSP BUILDINGS LIMITED | 02859678 | 01/08/1997 | 31/12/1998 | Dissolved |
| WSP LONDON LIMITED | 02813014 | 01/01/1994 | 31/12/1996 | Dissolved |
| WSP MIDLANDS LIMITED | 02753617 | 01/11/1996 | 31/12/1998 | Dissolved |
| WSP NORTH LIMITED | 02257665 | 01/01/1999 | 31/12/2000 | Dissolved |
| WSP UK LIMITED | 01383511 | 01/01/2003 | 11/01/2008 | Gold |