| Company | Timeline | Status | |
| Hunters One Limited Director • Chartered Engineer | 14 Nov 1994←1 Year→7 Dec 1995 | Dissolved | |
| Buro Happold Consulting Engineers Limited Director • Professor | 4 Mar 1993←1 Year 1 Month→1 May 1994 | Active | |
| Theatre Royal Bath Limited(The) Director • Professor/civil Engineer | 1 May 1992←1 Year 11 Months→12 Apr 1994 | Active | |
| Hunters Two Limited Director • Chartered Engineer | 25 Mar 1992←3 Years→7 Dec 1995 | Dissolved | |
| Buro Happold Limited Director • Professor | 13 Dec 1991←4 Years→12 Jan 1996 | Active | |
| 32 Grosvenor Street Management Limited Director • Company Director | 14 Aug 1991←5 Years→10 Jul 1997 | Active | |
| Buro Happold Engineers Limited Director • Professor | 4 Mar 1991←4 Years→12 Jan 1996 | Active | |
| BH Geoenvironmental Limited Director • Professor | 4 Mar 1991←3 Years→1 May 1994 | Active | |
| Rural Space And Infrastructure Limited Director • Consulting Engineer | 31 Dec 1990←3 Years→14 Mar 1994 | Dissolved | |
