| Company | Timeline | Status | |
| Halcrow International Partnership Director • Chartered Engineer | 6 May 1993←4 Years→31 Jan 1998 | Active | |
| Halcrow (Consulting Engineers & Architects) Limited Director • Chartered Engineer | 16 Nov 1992←5 Years→31 Jan 1998 | Active | |
| Manor Farm Barns Residents Association Limited Director • Civil Engineer | 16 Jul 1992←4 Years→21 Jan 1997 | Active | |
| Sir William Halcrow & Partners Limited Director • Chartered Engineer | 15 Nov 1991←6 Years→31 Jan 1998 | Dissolved | |
