| LUCENA LIMITED | Private company limited by shares | Live |
| Lucence Limited | Private company limited by shares | Live |
| Lucence Diagnostics (Hong Kong) Pte Limited | Private company limited by shares | Live |
| Lucency Limited | Private company limited by shares | Live |
| Lucency View Limited | Private company limited by shares | Live |
| LUCENDI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LUCENT LIMITED | Private company limited by shares | Dissolved |
| Lucent HK Limited | | Live |
| Lucent Asia Limited | Private company limited by shares | Live |
| LUCENT INTERNATIONAL OFFICE AUTOMATION LIMITED | Private company limited by shares | Dissolved |
| Lucent Biotherapeutic Corporation Limited | Private company limited by shares | Live |
| Lucent Biochemical Co., Limited | Private company limited by shares | Live |
| Lucent Intelligence Co., Limited | Private company limited by shares | Live |
| HK LUCENT INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| LUCENT INVESTMENTS & TRADE CO., LIMITED | Private company limited by shares | Live |
| Lucent JTB Media Co., Limited | Private company limited by shares | Live |
| Lucent Colour (H.K.) Company Limited | Private company limited by shares | Live |
| Lucent Communications Limited | Private company limited by shares | Live |
| Lucent International Consulting Co., Limited | Private company limited by shares | Live |
| LUCENT COSMETICS ASIA LIMITED | Private company limited by shares | Dissolved |
| LUCENT ELECTRONICS TECH LIMITED | | Live |
| Lucent Electronics Technology (Hk) Limited | Private company limited by shares | Live |
| Lucent Engineering Limited | Private company limited by shares | Live |
| LUCENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| LUCENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG LUCENT TRADING LIMITED | Private company limited by shares | Live |
| LUCENT TECHNOLOGY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| LUCENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| LUCENT INTERTRADE LIMITED | Private company limited by shares | Live |
| LUCENT INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| LUCENT SKY INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| LUCENT PRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| C LUCENT TECHNOLOGIES (HK) CO., LIMITED | Private company limited by shares | Live |
| Lucent Technology Limited | Private company limited by shares | Live |
| Lucent Brother Technology Limited | Private company limited by shares | Live |
| LUCENT DESIGN & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LUCENT HK TRADING LIMITED | Private company limited by shares | Live |
| LUCENT TRANS LIMITED | Private company limited by shares | Live |
| Lucente Company Limited | Private company limited by shares | Live |
| Lucente C Limited | | Live |
| LUCENTEC ELEVATOR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| HK LUCENTECH ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Omni Lucenti Limited | | Live |
| LUCENTIO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LUCENXIA LIMITED | Private company limited by shares | Live |