| Company | Timeline | Status | |
| WXXZZ Limited Director • Accountant | 26 Oct 2017←8 Years→Current | Active | |
| Orbis Scientific Limited Director • Accountant | 17 Dec 2015←10 Years→Current | Active | |
| Memsstar Holdings Limited Director • Accountant | 17 Dec 2015←10 Years→Current | Active | |
| Memsstar Limited Secretary • Accountant | 30 Aug 2005←20 Years→Current | Active | |
| Memsstar Limited Director • Unreported | 30 Nov 2004←21 Years→Current | Active | |
