| Company | Timeline | Status | |
| SPK Imaging Limited Director • Consultant  | 25 Mar 2023←2 Years 7 Months→Current  | Active  | |
| SPK Properties Limited Director • Unreported  | 8 Jun 2017←8 Years→Current  | Active  | |
| Sei Chung Sak Ltd Director • Consultant  | 27 Jan 2014←11 Years→Current  | Active  | |
