| SMARTCARD MANUFACTURING (HK) LIMITED | Private company limited by shares | Dissolved |
| DEWELL SMARTCARD (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG THINKED SMARTCARD CO., LIMITED | Private company limited by shares | Live |
| Y&T SMARTCARD INDUSTRIES LIMITED | Private company limited by shares | Live |
| JIANHE SMARTCARD TECHNICAL CO., LIMITED | Private company limited by shares | Live |
| SmartCard Marketing Systems Asia Pacific (HK) Limited | Private company limited by shares | Live |
| OSCAR SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| SMARTCARD SYSTEMS PROFESSIONALS LIMITED | Private company limited by shares | Live |
| ITE SMARTCARD SOLUTIONS LIMITED | Private company limited by shares | Live |
| SMARTCARD SYSTEMS LIMITED | Private company limited by shares | Live |
| SMARTCARD TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| VONGROUP SMARTCARD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTCARE LIMITED | Private company limited by shares | Dissolved |
| Smartcare SDS Limited | Private company limited by shares | Live |
| SMARTCARE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMARTCARE CONSULTANT SERVICE LIMITED | Private company limited by shares | Dissolved |
| SMARTCARE SYSTEM LIMITED | Private company limited by shares | Live |
| SMARTCELL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Health SmartChain Limited | Private company limited by shares | Live |
| SMARTCHAMP LIMITED | Private company limited by shares | Live |
| SmartChamps Limited | Private company limited by shares | Live |
| Smartcheck Company Limited | | Live |
| SMARTCHEER LIMITED | Private company limited by shares | Live |
| Smartcheer One Limited | Private company limited by shares | Live |
| Smartcheer Two Limited | Private company limited by shares | Live |
| Smartcheer Three Limited | Private company limited by shares | Live |
| SMARTCHEM LIMITED | Private company limited by shares | Dissolved |
| Smartchem Agro Limited | Private company limited by shares | Live |
| SMARTCHEM (BEIJING) LIMITED | Private company limited by shares | Live |
| Smartchem Holding Company Limited | Private company limited by shares | Live |
| SMARTCHEM (HONGKONG) LIMITED | Private company limited by shares | Live |
| SMARTCHEM ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SMARTCHEST LIMITED | Private company limited by shares | Live |
| HONGKONG SMARTCHIP TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SMARTCHIP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SmartChips Tech Limited | | Live |
| Smartcity E&M Eng Limited | Private company limited by shares | Live |
| Smartcity Solution Limited | Private company limited by shares | Live |
| Smartclean Asia Limited | Private company limited by shares | Live |
| SMART-CLEAN CLEANING COMPANY LIMITED | Private company limited by shares | Live |
| Smartclick Limited | Private company limited by shares | Live |
| SMARTCLUB ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SMARTCN LIMITED | Private company limited by shares | Live |
| 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 |
| Smartcranesystem Limited | Private company limited by shares | Live |
| XIAMEN SMARTCREATE MACHINERY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| SMARTCREATION CENTER LIMITED | Private company limited by shares | Dissolved |
| SMARTCYBER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMARTD LIMITED | Private company limited by shares | Dissolved |
| SmartD Limited | | Live |
| SmartData.travel Limited | Private company limited by shares | Live |
| SmartDesign Group (ASIA) Limited | Private company limited by shares | Dissolved |
| SMARTDIGI COMPANY LIMITED | Private company limited by shares | Live |
| SMARTDIGITS CO LIMITED | Private company limited by shares | Live |
| SMARTDJLITE CO., LIMITED | Private company limited by shares | Live |
| SMART-DOMAIN LIMITED | Private company limited by shares | Dissolved |
| SmartDot Limited | Private company limited by shares | Live |
| SmartDriver (China) Limited | Private company limited by shares | Live |
| SMARTDROP LIMITED | Private company limited by shares | Live |
| SMARTDTP HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SmartDuck Limited | | Live |
| SMARTE GREEN LIMITED | Private company limited by shares | Live |
| Smarte Carte Hong Kong Limited | Private company limited by shares | Dissolved |
| SMARTEAM LIMITED | Private company limited by shares | Dissolved |
| SMARTEAM LIMITED | Private company limited by shares | Live |