| Company | Timeline | Status | |
| Savage Architectural Metal Works Limited Director • Director | 11 Aug 2015←9 Years→5 Aug 2025 | Dissolved | |
| Markham Automatic Gates Limited Director • Works Manager | 28 Jan 1992←3 Years→6 Mar 1995 | Active | |
| Markham Automatic Gates Limited Secretary • Unreported | 28 Jan 1992←3 Years→6 Mar 1995 | Active | |
