| SmartM Tek Company Limited | Private company limited by shares | Live |
| SMART-M GLOBAL LIMITED | Private company limited by shares | Live |
| SMARTMAKE (HK) LIMITED | Private company limited by shares | Dissolved |
| SMARTMAKE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMARTMAN LIMITED | Private company limited by shares | Live |
| SMARTMAN CONSULTANTS LIMITED | Private company limited by shares | Live |
| SMARTMAN CORPORATION LIMITED | Private company limited by shares | Live |
| SMARTMAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| SMARTMAN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SMARTMAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SMARTMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTMAN PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| SMARTMAN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTMAN TRADING LIMITED | Private company limited by shares | Dissolved |
| SMARTMANU LIMITED | Private company limited by shares | Dissolved |
| SMARTMANU LIMITED | Private company limited by shares | Live |
| SMARTMAPS LIMITED | Private company limited by shares | Live |
| SmartMarket lab. Limited | | Live |
| Smartmatic Asia Pacific Limited | Private company limited by shares | Live |
| SMARTMAX WIN LIMITED | Private company limited by shares | Live |
| SMARTMEA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTMEASUREMENT LIMITED | Private company limited by shares | Live |
| SmartMedia Limited | Private company limited by shares | Live |
| SMARTMETRO GROUP LIMITED | Private company limited by shares | Dissolved |
| SMARTMI LIMITED | Private company limited by shares | Live |
| SMARTMIND LIMITED | Private company limited by shares | Dissolved |
| SMARTMIND CONSULT LIMITED | | Live |
| SmartMinds Limited | Private company limited by shares | Live |
| SMARTMOBI LIMITED | Private company limited by shares | Live |
| Smartmobi Technology Limited | Private company limited by shares | Live |
| Smartmoney Financial Company Limited | | Live |
| SmartMore Capital Limited | | Live |
| SmartMotion Ergonomics Limited | Private company limited by shares | Live |
| SMARTMOVE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SMARTMOZO LIMITED | Private company limited by shares | Live |
| HK SMARTMV LIMITED | Private company limited by shares | Live |
| Smartmy Limited | Private company limited by shares | Live |