| SmartGames Limited | Private company limited by shares | Live |
| WAH TAT SMARTGAS CO., LIMITED | Private company limited by shares | Dissolved |
| SMARTGE ENGINEERING LIMITED | | Live |
| SMARTGEM LIMITED | Private company limited by shares | Live |
| Smartgen Motors Company Limited | | Live |
| SmartGini Limited | Private company limited by shares | Live |
| Smartgizmoworld Limited | | Live |
| SMARTGLOBE LIMITED | Private company limited by shares | Dissolved |
| SmartGo Company Limited | Private company limited by shares | Dissolved |
| SMARTGO LIMITED | Private company limited by shares | Live |
| SMARTGO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTGOAL LIMITED | Private company limited by shares | Live |
| SMARTGOLD LIMITED | Private company limited by shares | Dissolved |
| SMARTGOLD LIMITED | Private company limited by shares | Live |
| HK SMARTGOLD SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SMARTGOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTGREEN LIMITED | Private company limited by shares | Live |
| SMARTGROUP MANUFACTURING LIMITED | Private company limited by shares | Live |
| SMARTGROUP TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Smartgroups Limited | Private company limited by shares | Live |
| SMART-GUIDE CO. LIMITED | Private company limited by shares | Dissolved |
| SmartGuru Limited | | Live |
| SMARTHANDS ASIA LIMITED | Private company limited by shares | Dissolved |
| SMARTHANDS INNOVATION COMPANY LIMITED | Private company limited by shares | Live |
| SMARTHANG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SmartHeart Limited | | Live |
| Smarthei Limited | Private company limited by shares | Live |
| HIMAX SMARTHILL CO. LIMITED | Private company limited by shares | Live |
| SMARTHINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTHOME LIMITED | Private company limited by shares | Dissolved |
| Aominuo SmartHome Technology HK Limited | Private company limited by shares | Live |
| Tsingbay Smarthome HK Limited | | Live |
| Smarthon Limited | Private company limited by shares | Live |
| SMARTHONG TRADING CO., LIMITED | Private company limited by shares | Live |
| SMARTHOOD LIMITED | Private company limited by shares | Live |
| SMARTHOPE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTHRIVE LIMITED | Private company limited by shares | Dissolved |
| SmartHub Development Co., Limited | | Live |
| TITRON SMARTHUB LIMITED | Private company limited by shares | Dissolved |
| SMART-I LIMITED | Private company limited by shares | Live |
| SMARTIAC.COM LIMITED | Private company limited by shares | Dissolved |
| SMARTIC LIMITED | Private company limited by shares | Dissolved |
| Smartick Group Limited | Private company limited by shares | Live |
| Smarticorp Limited | Private company limited by shares | Live |
| CHAMPION SMARTICS LIMITED | Private company limited by shares | Live |
| D & H SMARTID CO., LIMITED | Private company limited by shares | Live |
| SMARTIDE LIMITED | Private company limited by shares | Live |
| SMARTIE COMPANY LIMITED | Private company limited by shares | Live |
| smarTIE HK Limited | | Live |
| ASIA SMARTIE LIMITED | Private company limited by shares | Live |
| SMARTIE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMARTIE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTIE LINK LIMITED | Private company limited by shares | Live |
| SMARTIE ROAST MEAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC SMARTIE LIMITED | Private company limited by shares | Live |
| Smartie Sport Company Limited | Private company limited by shares | Live |
| SMARTIE TRADING LIMITED | Private company limited by shares | Dissolved |
| Smartieland Pty Limited | Private company limited by shares | Live |
| TOP SMARTIES LIMITED | Private company limited by shares | Live |
| J. SMARTIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smarties Limited | Private company limited by shares | Dissolved |
| SMARTIES' ENGLISH CHANNEL LIMITED | Private company limited by shares | Dissolved |
| SMARTIES PROPERTIES LIMITED | Private company limited by shares | Live |
| SMARTIFF LIMITED | Private company limited by shares | Dissolved |
| Smartificer Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG SMARTIFICER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Smartify Limited | Private company limited by shares | Live |
| SMARTIM LIMITED | Private company limited by shares | Dissolved |
| SMARTIME COMPANY LIMITED | Private company limited by shares | Live |
| SMARTIME CREATION LIMITED | Private company limited by shares | Dissolved |
| SMARTIME ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMARTIME ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMARTIME ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SMARTIME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMARTIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| SMARTIME INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SMARTIME INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTIME INVESTMENT LIMITED | Private company limited by shares | Live |
| SMARTIME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC SMARTIME SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SMARTIME TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMARTIME NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMARTIME TRADING LIMITED | Private company limited by shares | Live |
| 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 |