| Company | Timeline | Status | |
| Core Highways (Barrier) Limited Director • Manager Of Fencing Company | 28 Jun 1991←6 Years→28 Nov 1997 | Active | |
| Crash Barrier Limited Director • Civil Engineer | 21 Mar 1991←34 Years→15 Jul 2025 | Dissolved | |
| Crash Barrier Limited Secretary • Unreported | 21 Mar 1991←34 Years→15 Jul 2025 | Dissolved | |
