| Company | Timeline | Status | |
| JM Stevens Consulting Limited Director • Structural Engineer | 30 Jun 2014←8 Years→25 Oct 2022 | Dissolved | |
| WSP UK Limited Director • Chartered Engineer | 1 Jul 2005←1 Year 3 Months→6 Oct 2006 | Active | |
Halcrow Waterman Limited Director • Chartered Engineer | 3 Jun 1997←2 Years 10 Months→20 Apr 2000 | Dissolved | |
Crouch Hogg Waterman Limited Director • Consulting Engineer | 1 Nov 1994←2 Years 7 Months→19 Jun 1997 | Dissolved | |
