| SMARTKEY ENERGY CO., LIMITED | | Live |
| SMARTKEY GLOBAL LIMITED | Private company limited by shares | Live |
| SMARTKEY POWER (HK) CO., LIMITED | Private company limited by shares | Live |
| SMARTKEY GLOBAL (HK) CO LIMITED | | Live |
| SMART-KEY TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SMARTKEY INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SMART-KEY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Smartbook Smartkid Limited | Private company limited by shares | Dissolved |
| SMART-KIDS NATION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Smartkings Group Limited | Private company limited by shares | Live |
| Smartkit Exhibition Engineering Limited | Private company limited by shares | Live |
| SMARTKONN TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SmartL24 Limited | Private company limited by shares | Live |
| Smart-Lab Scientific Company Limited | Private company limited by shares | Live |
| Chinatags Smartlabel Technology (HongKong) Co., Limited | Private company limited by shares | Live |
| DAFTags Smartlabel (Hong Kong) Technology Company Limited | Private company limited by shares | Live |
| SmartLabs Company Limited | Private company limited by shares | Dissolved |
| SMARTLAND LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND INC LIMITED | Private company limited by shares | Live |
| SMARTLAND CORPORATE LIMITED | Private company limited by shares | Live |
| SMARTLAND CORPORATION LIMITED | Private company limited by shares | Live |
| SMARTLAND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SMARTLAND ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND ENTERPRISES LIMITED | Private company limited by shares | Live |
| SMARTLAND ESTATES LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND (HONG KONG) LIMITED | Private company limited by shares | Live |
| SMARTLAND INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SMARTLAND INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Smartland Learning Centre Limited | Private company limited by shares | Live |
| SMARTLAND PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND PROPERTY AGENCY LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Oct-2009 |
| SMARTLAND REALTY LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND TRADING LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND TRADING LIMITED | Private company limited by shares | Dissolved |
| SMARTLAND INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SMARTLAND TRAVEL LIMITED | Private company limited by shares | Live |
| SMARTLANDS LIMITED | Private company limited by shares | Live |
| SMARTLANE LIMITED | Private company limited by shares | Dissolved |
| SMARTLANE ELECTRONIC (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SMARTLANE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTLANE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SmartLangs Localization Co., Limited | Private company limited by shares | Live |
| SMARTLAW LIMITED | Private company limited by shares | Live |
| SMARTLEAD CORPORATION LIMITED | Private company limited by shares | Live |
| SMARTLEAD DEVELOPMENT CONSULTANT LIMITED | Private company limited by shares | Live |
| SMARTLEAD GROUP LIMITED | Private company limited by shares | Live |
| DSS SMARTLEARN LIMITED | Private company limited by shares | Live |
| SMARTLEARN TRADING LIMITED | Private company limited by shares | Live |
| SmartLedgers Limited | Private company limited by shares | Live |
| SMARTLENS ASIA LIMITED | Private company limited by shares | Dissolved |
| SMARTLEON LIMITED | Private company limited by shares | Live |
| SMARTLICO LIMITED | Private company limited by shares | Live |
| SMARTLIFE LIMITED | Private company limited by shares | Live |
| Smartlife (China) Limited | Private company limited by shares | Live |
| Smartlife Technology (China) Limited | Private company limited by shares | Live |
| BC Smartlife Technology Co., Limited | Private company limited by shares | Live |
| SMART-LIFE CONSULTING LIMITED | Private company limited by shares | Live |
| SMARTLIFE INDUSTRIAL CORPORATION HK LIMITED | Private company limited by shares | Live |
| Smartlife Development Limited | Private company limited by shares | Live |
| SMARTLIFE ELECTRONIC (HK) CO., LIMITED | Private company limited by shares | Live |
| JiangMen Smartlife Co., Limited | Private company limited by shares | Live |
| SMARTLIFE SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SMARTLIFE SOLUTIONS COMPANY LIMITED | Private company limited by shares | Live |
| Smartlife Sci. & Tech. (HK) Co., Limited | Private company limited by shares | Live |
| SMARTLIGHT ST LIMITED | Private company limited by shares | Dissolved |
| SMARTLIGHT ASIA LIMITED | Private company limited by shares | Dissolved |
| SMARTLIGHT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LUMNEX SMARTLIGHTING HONG KONG LIMITED | Private company limited by shares | Live |
| SMARTLINE LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE LIMITED | Private company limited by shares | Live |
| Smartline Furniture Co., Limited | Private company limited by shares | Live |
| Smartline Trading Co., Limited | Private company limited by shares | Live |
| SMARTLINE HOLDINGS LIMITED | Private company limited by shares | Live |
| SMARTLINE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SMARTLINE INDUSTRIES LIMITED | Private company limited by shares | Live |
| Smartline Information Systems Limited | Private company limited by shares | Live |
| SMARTLINE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE TRADING LIMITED | Private company limited by shares | Dissolved |
| SMARTLINE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SMARTLING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smartling Technology Investment Limited | | Live |
| SMARTLINK PRO LIMITED | Private company limited by shares | Dissolved |
| SmartLink Enterprise Limited | Private company limited by shares | Live |
| Smartlink Innovation Limited | | Live |
| SHENZHEN SMARTLINK LIMITED | Private company limited by shares | Live |
| SMARTLINKAGE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SMARTLINKER ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| SMARTLINKS INC LIMITED | Private company limited by shares | Live |
| SMARTLION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SMARTLION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SMARTLITE LIMITED | Private company limited by shares | Dissolved |
| SMARTLITE LED LIMITED | Private company limited by shares | Live |
| Smartliving App Limited | Private company limited by shares | Live |
| SmartLoan Limited | Private company limited by shares | Live |
| SMARTLOCK ASIA LIMITED | Private company limited by shares | Dissolved |