| Company | Timeline | Status | |
| Waterman Infrastructure & Environment Limited Director • Chartered Civil Engineer | 21 Oct 1996←5 Years→31 Oct 2001 | Active | |
| Waterman Aspen Limited Director • Chairman | 1 Jan 1996←5 Years→31 Oct 2001 | Active | |
| Thomas Telford Limited Director • Chartered Civil Engineer | 8 Nov 1992←→4 Nov 1992 | Active | |
Thomas Telford (Holdings) Limited Director • Chartered Civil Engineer | 4 Nov 1991←1 Year→9 Nov 1992 | Dissolved | |
| Faronworth Limited Director • Civil Engineer | 14 Sep 1991←6 Years→21 Aug 1998 | Active | |
| Faronworth Limited Secretary • Unreported | 14 Sep 1991←6 Years→21 Aug 1998 | Active | |
