| SMILES COMPANY LIMITED | Private company limited by shares | Live |
| SMILES ARTS STUDIO LIMITED | Private company limited by shares | Live |
| Smiles Card Limited | Private company limited by shares | Live |
| SMILES ORTHODONTIC & DENTOFACIAL ORTHOPAEDIC CENTRE LIMITED | | Live |
| SMILES & FACES ORTHODONTIC CENTRE LIMITED | Private company limited by shares | Live |
| Cookie Smiles Limited | Private company limited by shares | Live |
| SMILES ON DEMAND LIMITED | Private company limited by shares | Live |
| SMILES DENTAL CENTRE LIMITED | Private company limited by shares | Live |
| Smiles Family Dental Limited | | Live |
| Smiles Implants Dental Limited | | Live |
| Comma Smiles Education Limited | | Live |
| CHINA THREE SMILES FASHION (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SMILES LIMITED | Private company limited by shares | Live |
| LOVING SMILES FOUNDATION LIMITED | Company limited by guarantee | Live |
| Great Smiles Limited | Private company limited by shares | Live |
| HAPPY AND SMILES LIMITED | | Live |
| SMILES TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SMILES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Kiddo Smiles Limited | Private company limited by shares | Live |
| Happy Little Smiles Limited | Private company limited by shares | Live |
| Miles of Smiles Education HK Limited | Private company limited by shares | Live |
| NATURAL SMILES LIMITED | Private company limited by shares | Live |
| SMILES PRODUCTION LIMITED | Private company limited by shares | Live |
| Smiles Property Consultants Limited | Private company limited by shares | Live |
| RADIANT SMILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Signature Smiles Limited | | Live |
| SMILES TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SMILES TRADING HONGKONG COMPANY LIMITED | | Live |
| ALL SMILES TRADING AND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMILES WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| Smilesea Lucky Limited | | Live |
| CHINA INT'L (ROYAl SMIlESLANDS) HEALTH INDUSTRY GROUP INC., LIMITED | Private company limited by shares | Live |
| 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 |