| Company Name | Type | Status |
|---|---|---|
| SMILESTONE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Smilestone Charity Foundation Limited | Company limited by guarantee | Live |
| SmileStone HongKong Limited | Private company limited by shares | Live |
| Smilestone Medical Limited | Live | |
| Smilestone Technology Co., Limited | Private company limited by shares | Live |