| SMART-IN LIMITED | Private company limited by shares | Dissolved |
| SMART-IN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMART-IN DEVELOP LIMITED | Private company limited by shares | Live |
| SMARTIN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SMART-IN (H.K.) COMPANY, LIMITED | Private company limited by shares | Live |
| SMART-IN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SMART-IN INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMART-IN UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTINCUB ASIA LIMITED | Private company limited by shares | Dissolved |
| SMART-INFO LIMITED | Private company limited by shares | Live |
| SMART-INFO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTINFOR TECHNOLOGIES (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SMARTING LIMITED | Private company limited by shares | Dissolved |
| SMARTING ENTERPRISES LIMITED | Private company limited by shares | Live |
| SMARTING NICE LIMITED | Private company limited by shares | Live |
| SmartINNO Technology Solutions Limited | Private company limited by shares | Live |
| SmartInOne Solutions Limited | Private company limited by shares | Live |
| SmartInR Company Limited | Private company limited by shares | Live |
| SMARTINTERCOM LIMITED | Private company limited by shares | Live |
| SmartIntern China Internships Limited | Private company limited by shares | Live |