| Company | Timeline | Status | |
| Tsiantar Architects Limited Director • Company Secretary | 13 Jul 2020←5 Years→Current | Active | |
| Tsiantar Architects Limited Secretary • Unreported | 7 Apr 2003←22 Years→Current | Active | |
| Systemattic Limited Director • Building Contractor | 18 Jul 2000←25 Years→Current | Active | |
