| SMIANS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMIANS TRAVEL ENTERPRISES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SMIB GLOBAL LIMITED | Private company limited by shares | Live |
| SMIC Limited | Private company limited by shares | Dissolved |
| SMIC Beijing (HK) Company Limited | Private company limited by shares | Live |
| SMIC Solar Cell (HK) Company Limited | Private company limited by shares | Live |
| SMIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SMIC AT (HK) Company Limited | Private company limited by shares | Dissolved |
| SMIC (HK) LIMITED | Private company limited by shares | Live |
| SMIC Shenzhen (HK) Company Limited | Private company limited by shares | Live |
| SMIC Holding Limited | Private company limited by shares | Live |
| SMIC Hong Kong International Limited | Private company limited by shares | Live |
| SMIC Tianjin (HK) Company Limited | Private company limited by shares | Live |
| SMICAM LIMITED | Private company limited by shares | Dissolved |
| SMICAP Consultants Pte. Limited | Private company limited by shares | Dissolved |
| SMICOO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SMIDT ELECTRIC LIMITED | Private company limited by shares | Live |
| Smidt-Imex Asia Limited | Private company limited by shares | Live |
| SMIGGLE HK LIMITED | Private company limited by shares | Live |
| SMI-Hyundai (Asia) Limited | Private company limited by shares | Live |
| Smikee Limited | | Live |
| SMILAND INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SMILAX COMPANY LIMITED | Private company limited by shares | Live |
| JOY SMILE LIMITED | Private company limited by shares | Live |
| WIN SMILE LIMITED | Private company limited by shares | Dissolved |
| TOP SMILE LIMITED | Private company limited by shares | Dissolved |
| NEW SMILE LIMITED | Private company limited by shares | Dissolved |
| HIT SMILE LIMITED | Private company limited by shares | Live |
| 123 SMILE COMPANY LIMITED | Private company limited by shares | Live |
| SMILE COMPANY LIMITED | Private company limited by shares | Live |
| Dr. Smile Limited | Private company limited by shares | Live |
| i smile Limited | Private company limited by shares | Live |
| ONE SMILE LIMITED | Private company limited by shares | Live |
| BIG SMILE LIMITED | Private company limited by shares | Dissolved |
| TOP SMILE LIMITED | Private company limited by shares | Dissolved |
| S & F, Smile Limited | Private company limited by shares | Dissolved |
| SMILE X SMILE LIMITED | Private company limited by shares | Dissolved |
| Smile RP Limited | Private company limited by shares | Live |
| CC SMILE COMPANY LIMITED | Private company limited by shares | Live |
| SUN SMILE LIMITED | Private company limited by shares | Live |
| SMILE O COMPANY LIMITED | Private company limited by shares | Live |
| SHE SMILE LIMITED | Private company limited by shares | Live |
| MAX SMILE LIMITED | Private company limited by shares | Live |
| Smile Bar Limited | Private company limited by shares | Live |
| BIG SMILE LIMITED | Private company limited by shares | Live |
| NEW SMILE LIMITED | Private company limited by shares | Live |
| E Smile Limited | Private company limited by shares | Live |
| SMILE PET PET LIMITED | Private company limited by shares | Live |
| ALL SMILE LIMITED | Private company limited by shares | Live |
| K SMILE LIMITED | Private company limited by shares | Live |
| MM Smile Limited | Private company limited by shares | Live |
| TT Smile Limited | Private company limited by shares | Live |
| You Smile Limited | Private company limited by shares | Live |
| SMILE KL LIMITED | | Live |
| SMILE JOB LIMITED | | Live |
| Fu Smile Limited | | Live |
| HH SMILE COMPANY LIMITED | | Live |
| Smile Su Company Limited | | Live |
| ABLE SMILE LIMITED | Private company limited by shares | Live |
| JUST SMILE ABOUT IT LIMITED | Private company limited by shares | Live |
| SMILE AGAIN LIMITED | Private company limited by shares | Dissolved |
| ALLIED SMILE LIMITED | Private company limited by shares | Live |
| ANGEL'S SMILE FOUNDATION LIMITED | Company limited by guarantee | Live |
| SMILE ARCHITECT LIMITED | | Live |
| SMILE HOME ARTS AND CRAFTS CO., LIMITED | Private company limited by shares | Live |
| GOOD SMILE ARTS HONGKONG LIMITED | Private company limited by shares | Live |
| Arts with Smile Limited | Private company limited by shares | Live |
| SMILE (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA SMILE LIMITED | Private company limited by shares | Live |
| SMILE ASIA LIMITED | Private company limited by shares | Dissolved |
| SMILE FAST ASIA LIMITED | Private company limited by shares | Live |
| SHEEN SMILE ASSETS LIMITED | Private company limited by shares | Live |
| SMILE BENEFIT LIMITED | Private company limited by shares | Dissolved |
| BEST SMILE LIMITED | Private company limited by shares | Live |
| Best Smile (HK) Limited | Private company limited by shares | Live |
| Blooming Smile Limited | Private company limited by shares | Live |
| SMILE BREAD LIMITED | Private company limited by shares | Live |
| BRIGHT SMILE LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SMILE DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| BRIGHT SMILE DENTAL CENTRE LIMITED | Private company limited by shares | Live |
| SMILE BUSINESS LIMITED | Private company limited by shares | Live |
| Smile Business Consultant Limited | | Live |
| SMILE CARE LIMITED | Private company limited by shares | Live |
| SMILE CASH COMPANY LIMITED | Private company limited by shares | Live |
| SMILE CASTLE LIMITED | Private company limited by shares | Live |
| SMILE CENTER LIMITED | Private company limited by shares | Live |
| CENTRAL SMILE LIMITED | Private company limited by shares | Live |
| Eye Smile Lasik Centre Limited -The- | Private company limited by shares | Live |
| One Smile Lasik Centre Limited -The- | Private company limited by shares | Live |
| SMILE CENTURY LIMITED | Private company limited by shares | Live |
| CHARM SMILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHARM SMILE LIMITED | Private company limited by shares | Live |
| CHEER SMILE LIMITED | Private company limited by shares | Live |
| Child's Smile Limited | Private company limited by shares | Live |
| SMILE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHINA SMILE LIMITED | Private company limited by shares | Live |
| CHINA SMILE ART CO., LIMITED | Private company limited by shares | Live |
| CHINA SMILE CORPORATION LIMITED | Private company limited by shares | Live |
| CHINA SMILE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMILE INTERNATIONAL CHIP LIMITED | Private company limited by shares | Live |