| SMARTCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTCO LIMITED | Private company limited by shares | Dissolved |
| SMARTCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMARTCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Smartcoat HK Limited | Private company limited by shares | Live |
| SMARTCODE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SmartCode Solutions Limited | | Live |
| SMARTCOIN COMPANY LIMITED | Private company limited by shares | Live |
| SMARTCOLA LIMITED | | Live |
| SMARTCOM LIMITED | Private company limited by shares | Dissolved |
| SMARTCOM LIMITED | Private company limited by shares | Dissolved |
| SMARTCOM LIMITED | Private company limited by shares | Live |
| CARD SMART.COM LIMITED | Private company limited by shares | Dissolved |
| SMARTCOMM LIMITED | Private company limited by shares | Dissolved |
| SMARTCOMP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMARTCOM-WEIYI INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMARTCON LIMITED | Private company limited by shares | Dissolved |
| SMARTCON LIMITED | Private company limited by shares | Live |
| SMARTCON SYSTEM LIMITED | Private company limited by shares | Dissolved |
| Smartconcept Business Consultant Limited | Private company limited by shares | Dissolved |
| Smartconda Co., Limited | Private company limited by shares | Live |
| SmartConn Co., Limited | Private company limited by shares | Live |
| SMARTCONN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SMARTCONN INT'L H.K CO., LIMITED | Private company limited by shares | Live |
| SmartConn World Group Limited | Private company limited by shares | Live |
| SmartConnect Limited | Private company limited by shares | Dissolved |
| Smartconnect HK Limited | | Live |
| SmartConsult Limited | Private company limited by shares | Live |
| SMARTCOOL LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Apr-2013 |
| Smart-Cool Technology (HK) Co., Limited | Private company limited by shares | Live |
| SMARTCORP LIMITED | Private company limited by shares | Dissolved |
| SMARTCORP LIMITED | Private company limited by shares | Live |
| SmartCorp Investment Company Limited | Private company limited by shares | Live |
| SMARTCORP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMARTCORP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Smartcorporation-HK Limited | Private company limited by shares | Live |