| UTEC LIMITED | Private company limited by shares | Dissolved |
| UTEC HK LIMITED | Private company limited by shares | Dissolved |
| UTEC LIMITED | Private company limited by shares | Live |
| U-TEC PRECISION CO., LIMITED | Private company limited by shares | Live |
| UTEC HOLDING LIMITED | Private company limited by shares | Dissolved |
| U-TECH LIMITED | Private company limited by shares | Dissolved |
| U-TECH LIMITED | Private company limited by shares | Dissolved |
| U-TECH COMPANY LIMITED | Private company limited by shares | Live |
| U-TECH AUTOS LIMITED | Private company limited by shares | Live |
| UTECH CHEMICALS LIMITED | Private company limited by shares | Live |
| Utech Display Co., Limited | Private company limited by shares | Live |
| U-tech Electronic Co., Limited | Private company limited by shares | Live |
| Utech Medical Group Co., Limited | Private company limited by shares | Live |
| UTECH CONSULTING LIMITED | Private company limited by shares | Dissolved |
| U-TECH CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-TECH CORP., LIMITED | Private company limited by shares | Live |
| UTECH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UTECH DEVELOPMENT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| U-TECH ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| U-TECH METAL & ELECTRICAL INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-TECH ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| UTECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| SHENZHEN UTECH ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| U-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| UTECH ENGINEERING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| U-TECH FISHERY INNOVATION LIMITED | Private company limited by shares | Live |
| UTECH Global Limited | Private company limited by shares | Live |
| U-TECH GROUP LIMITED | Private company limited by shares | Live |
| U-TECH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| U-Tech (HK) Co., Limited | Private company limited by shares | Live |
| UTech Electronics (HK) Limited | Private company limited by shares | Live |
| UTECH SYSTEM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Utech (HK) International Trading Limited | Private company limited by shares | Live |
| U-tech Holdings Limited | Private company limited by shares | Live |
| HONG KONG U-TECH EDUCATION CONSULTING LIMITED | | Live |
| UTECH INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG U_TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HONGKONG U-TECH ENGINEERING & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| U-Tech (HongKong) Enterprise Limited | Private company limited by shares | Live |
| HONGKONG UTECH GROUP LIMITED | | Live |
| UTECH TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG U-TECH BIOENGINEERING & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| U-TECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| U-TECH INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| U-TECH INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| UTECH INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UTECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| NINGBO UTECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| U-TECH INTERNATIONAL STOCK CO., LIMITED | Private company limited by shares | Live |
| U-TECH DIGITAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| U-TECH DIGITAL INTERNATIONAL LIMITED | | Live |
| U-TECH INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| uTech International Investment Limited | Private company limited by shares | Live |
| U-TECH MACHINE TOOLS CO., LIMITED | Private company limited by shares | Dissolved |
| U-TECH SOLUTION CO. LIMITED | Private company limited by shares | Live |
| Sungo Utech B&T Limited | Private company limited by shares | Live |
| UTECH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| U-TECH ELECTRONIC TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| U-TECH TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Yun Lee (Tim Kee) - U-Tech Joint Venture Limited | | Live |
| U-TECH., TRADING LIMITED | Private company limited by shares | Dissolved |
| U-TECH., TRADING LIMITED | Private company limited by shares | Live |
| Welite U-Tech Co., Limited | Private company limited by shares | Live |
| U-Technologies Limited | Private company limited by shares | Live |
| U-TECHSTAR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| U-TECK LIMITED | Private company limited by shares | Dissolved |
| U-TECK LIMITED | Private company limited by shares | Dissolved |