| Company Name | Type | Status |
|---|---|---|
| SIRON (H.K) CO., LIMITED | Private company limited by shares | Dissolved |
| SIRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sirona Limited | Private company limited by shares | Dissolved |
| Sirona Capital Limited | Private company limited by shares | Live |
| Dentsply Sirona Limited | Private company limited by shares | Live |
| Sirona Dental Systems (HK) Limited | Private company limited by shares | Live |
| SIRONI C.I.S. LIMITED | Private company limited by shares | Live |