| UNI-TECH DESIGN AND CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH DRILLING EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH (SOUTH EAST ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNITECH EDUCATION CENTRE LIMITED | Private company limited by shares | Dissolved |
| UNITECH ELECTRICAL LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRICAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| Unitech Electronic Co., Limited | Private company limited by shares | Live |
| UNITECH ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRONICS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRONICS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| NEW UNITECH (HK) ELECTRONICS LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRONICS INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| UNITECH ENERGY LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| UNITECH ENERGY SYSTEM LIMITED | Private company limited by shares | Live |
| UNITECH ENERGY TOOLS LIMITED | Private company limited by shares | Live |
| UNI-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Unitech Engineering Limited | Private company limited by shares | Live |
| UNITECH CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNI-TECH INTERNATIONAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH MARINE EQUIPMENT & ENGINEERING LIMITED | Private company limited by shares | Live |
| UNI-TECH SYSTEMS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EVER UNITECH LIMITED | Private company limited by shares | Live |
| UNITECH EXPERT LIMITED | Private company limited by shares | Live |
| UNI-TECH FINANCIAL SOLUTION LIMITED | Private company limited by shares | Dissolved |
| UNITECH GLOBAL LIMITED | Private company limited by shares | Live |
| UNITECH GROUP LIMITED | Private company limited by shares | Dissolved |
| UNITECH ELECTRIC GROUP LIMITED | Private company limited by shares | Live |
| UNITECH ENTERPRISE GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH ADVANCE (HK) LIMITED | Private company limited by shares | Live |
| UNITECH PH DAECHANG HOLDING (HK) LIMITED | Private company limited by shares | Live |
| UNITECH INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Unitech International (HK) Limited | | Live |
| Unitech Holding ADM Limited | Private company limited by shares | Live |
| UNITECH HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNITECH (HONG KONG) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNITECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG UNITECH LIMITED | Private company limited by shares | Live |
| UNITECH CORPORATION HONG KONG LIMITED | Private company limited by shares | Live |
| UNITECH SYSTEM INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITECH OIL TOOLS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Unitech Impex Limited | | Live |
| UNITECH INC. LIMITED | Private company limited by shares | Live |
| UNITECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNITECH INDUSTRIAL CO., LIMITED | | Live |
| CHINA UNITECH INDUSTRY (HK) LIMITED | Private company limited by shares | Live |
| UNITECH INDUSTRY HONGKONG CO., LIMITED | Private company limited by shares | Live |
| UNITECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MIT UNITECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| 3A UNITECH INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITECH HONGKONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Jinan Unitech CNC Machinery Co., Limited | | Live |
| UNITECH MAGNETIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH MANAGEMENT LIMITED | Private company limited by shares | Live |
| Unitech Luggage Manufacturing Co., Limited | Private company limited by shares | Live |
| UNI-TECH MATERIAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH MATERIAL LIMITED | Private company limited by shares | Live |
| UNITECH SPECIALTY MATERIAL LIMITED | Private company limited by shares | Live |
| UNITECH MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| Unitech (HK) Medical Technology Co., Limited | Private company limited by shares | Dissolved |
| Unitech Multimedia Limited | Private company limited by shares | Dissolved |
| UNITECH MULTIMEDIA LIMITED | Private company limited by shares | Dissolved |
| UNITECH NETWORKS LIMITED | Private company limited by shares | Dissolved |
| UNITECH OFFICE SUPPLIES COMPANY LIMITED | Private company limited by shares | Live |
| UNITECH ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNITECH PRECISION LIMITED | Private company limited by shares | Live |
| UNITECH PRECISION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH PRODUCTIONS LIMITED | Private company limited by shares | Live |
| UNI-TECH PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITECH PROPERTIES LIMITED | Private company limited by shares | Live |
| UNITECH CONCRETE REPAIRS CO., LIMITED | Private company limited by shares | Dissolved |
| UNITECH SECURITY CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN UNITECH COMPANY LIMITED | Private company limited by shares | Live |
| UNITECH SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| UNITECH SOLUTIONS LIMITED | Private company limited by shares | Live |
| HK SUPER UNITECH CO., LIMITED | Private company limited by shares | Live |
| UNITECH PHOTO SUPPLIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH SYSTEMS LIMITED | Private company limited by shares | Live |
| UNITECH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Unitech Technologies Co., Limited | | Live |
| UNITECH TECHNOLOGIES (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| UNITECH TECHNOLOGIES CORPORATION LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRIC & LIGHTNING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNITECH Asia Technologies Pvt. Limited | Private company limited by shares | Live |
| UNITECH (TECHNOLOGY) LIMITED | Private company limited by shares | Dissolved |
| HK UNITECH TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNITECH TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNITECH TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |