| Company | Timeline | Status | |
| London & Continental Railways Limited Director • Civil Engineers | 10 Mar 1995←1 Year 3 Months→26 Jun 1996 | Active | |
| The Brunel Museum Director • Civil Engineer | 5 Apr 1992←11 Years→23 Feb 2004 | Active | |
| Halcrow Asia Partnership Limited Director • Chartered Engineer | 1 Dec 1991←5 Months→14 May 1992 | Active | |
| Sir William Halcrow & Partners Limited Director • Chartered Engineer | 15 Nov 1991←5 Years→30 Apr 1997 | Dissolved | |
| Friends Of Guildford Cathedral(The) Director • Civil Engineer | 14 Aug 1991←13 Years→23 Dec 2004 | Converted/Closed | |
