| Company | Timeline | Status | |
| SPK Imaging Limited Director • Consultant | 25 Mar 2023←2 Years 10 Months→Current | Active | |
| SPK Properties Limited Director • Doctor | 8 Jun 2017←8 Years→Current | Active | |
| Sei Chung Sak Ltd Director • Unreported | 27 Jan 2014←12 Years→Current | Active | |
