| SMARTAC LIMITED | Private company limited by shares | Dissolved |
| SMARTAC LIMITED | Private company limited by shares | Live |
| SMARTAC ASIA LIMITED | Private company limited by shares | Live |
| SMARTAC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Smartac Secretaries Limited | Private company limited by shares | Live |
| SMART-ACHIEVEMENT COMPANY LIMITED | Private company limited by shares | Live |
| SMART-AD HOLIDAYS LIMITED | Private company limited by shares | Live |
| Smartadgames Limited | Private company limited by shares | Live |
| SmartAds Limited | | Live |
| HongKong Smartag Technology Company Limited | Private company limited by shares | Live |
| SMARTAGE LIMITED | Private company limited by shares | Live |
| Smartage Group Limited | | Live |
| SmartAge Intelligence Limited | | Live |
| SMARTAILS LIMITED | Private company limited by shares | Live |
| SMARTAIN LIMITED | Private company limited by shares | Live |
| SMARTAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTAIR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SMARTAK LIMITED | Private company limited by shares | Live |
| Smartake Limited | Private company limited by shares | Live |
| Smartal Electroinic Co., Limited | Private company limited by shares | Live |
| SMARTALE LIMITED | Private company limited by shares | Live |
| SMARTALENT LIMITED | Private company limited by shares | Dissolved |
| SMARTALENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| SMARTALENT INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| SMARTANGEL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SMARTANIMAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SmartApp Development Limited | Private company limited by shares | Live |
| JSM SMARTAPPAREL MANUFACTURERS LIMITED | Private company limited by shares | Dissolved |
| SMARTARGET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMARTARTS INC LIMITED | Private company limited by shares | Live |
| Smartass Studio Limited | Private company limited by shares | Live |
| SMARTAX LIMITED | Private company limited by shares | Dissolved |
| SmarTax Limited | Private company limited by shares | Live |
| ShenZhen Smartband Technology Limited | Private company limited by shares | Live Commenced dormancy on 13-Nov-2018 |
| SmartBar Limited | Private company limited by shares | Live |
| SMARTBASE INC LIMITED | Private company limited by shares | Live |
| SMARTBAY LIMITED | Private company limited by shares | Live |
| SMARTBAY (HK) GROUP LIMITED | Private company limited by shares | Live |
| SMARTBEE GLOBAL LIMITED | | Live |
| SmartBee Technology Limited | Private company limited by shares | Live |
| SMARTBEES JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| SmartBeeZ Limited | Private company limited by shares | Live |
| SMARTBERG LIMITED | Private company limited by shares | Dissolved |
| SMARTBERG LIMITED | Private company limited by shares | Live |
| Smartbev Limited | Private company limited by shares | Live |
| SMART-BIZ LIMITED | Private company limited by shares | Dissolved |
| 932 SmartBiz Limited | Private company limited by shares | Live |
| SMARTBIZ ASIA LIMITED | Private company limited by shares | Dissolved |
| SMARTBIZ CO., LIMITED | Private company limited by shares | Dissolved |
| Smartbiz Consulting HK Limited | Private company limited by shares | Live |
| SMARTBLE LIMITED | Private company limited by shares | Live |
| SMARTBLEACH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SMARTBLOCK LIMITED | Private company limited by shares | Live |
| SMART-BO GROUP LIMITED | Private company limited by shares | Dissolved |
| SMARTBOND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Smartbook Limited | Private company limited by shares | Live |
| Smartboth Limited | Private company limited by shares | Live |
| Smartbox Limited | Private company limited by shares | Live |
| SMARTBOX INNOVATION LIMITED | | Live |
| SMARTBOY MANUFACTURING GROUP LIMITED | Private company limited by shares | Live |
| SMARTBRIX CO., LIMITED | | Live |
| SMARTBUNKERS LIMITED | Private company limited by shares | Dissolved |
| SMARTBURY LIMITED | Private company limited by shares | Dissolved |
| SMARTCADEMY LIMITED | | Live |
| INFOTALK SMARTCALLER LIMITED | Private company limited by shares | Dissolved |
| SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| ALLTRONICS SMART-CARD LIMITED | Private company limited by shares | Dissolved |
| THEORY SMARTCARD TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHUTIAN DRAGON SMARTCARD COMPANY LIMITED | Private company limited by shares | Dissolved |
| DECARD SMARTCARD TECH CO., LIMITED | Private company limited by shares | Live |
| GAMMACOMM SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| XH SMARTCARD INVESTMENT (HK) COMPANY LIMITED | Private company limited by shares | Live |
| 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 |