| Company | Timeline | Status | |
| Clark Smith Partnership Limited Director • Consulting Engineer | 24 Feb 2000←23 Years→21 Jun 2023 | Active | |
| Clark Smith Partnership Limited Secretary • Consulting Engineer | 24 Feb 2000←23 Years→21 Jun 2023 | Active | |
| Aldgate Design Partnership Limited Secretary • Unreported | 20 Nov 1996←29 Years→18 Nov 2025 | Dissolved | |
