| Company | Timeline | Status | |
| One Smile DC Limited Director • Unreported | 24 Sep 2021←4 Years→Current | Active | |
| Shum Smile Limited Director • Company Director | 21 Sep 2021←4 Years→Current | Active | |
| Shum Dental Limited Director • Dentist | 21 Sep 2021←1 Year 8 Months→23 May 2023 | Active | |
