| A.D. ALEXANDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| A.D. PRO VELA LIMITED | Private company limited by shares | Live |
| A.D. VENTURE LIMITED | Private company limited by shares | Live |
| AD007.COM LIMITED | Private company limited by shares | Dissolved |
| AD1488.COM LIMITED | Private company limited by shares | Dissolved |
| AD168 LIMITED | Private company limited by shares | Live |
| AD-2000 LIMITED | Private company limited by shares | Dissolved |
| AD2GETHER LIMITED | Private company limited by shares | Live |
| AD2ONE LIMITED | Private company limited by shares | Live |
| AD2R LIMITED | Private company limited by shares | Dissolved |
| Ad2Van Limited | Private company limited by shares | Live |
| AD38 LIMITED | Private company limited by shares | Live |
| AD-4D LIMITED | Private company limited by shares | Live |
| A.D.596 LIMITED | Private company limited by shares | Live |
| HONG KONG ADAAMI COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAB STUDIO LIMITED | Private company limited by shares | Live |
| ADABELLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADABIAO (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| ADAC LIMITED | Private company limited by shares | Dissolved |
| ADAC LIMITED | Private company limited by shares | Live |
| ADAC Group Limited | | Live |
| ADAC41 LIMITED | | Live |
| AD-A-CAB LIMITED | Private company limited by shares | Dissolved |
| AD-A-CAB INTERNATIONAL LIMITED | Public company limited by shares | Dissolved |
| ADACAMIA COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Mar-1994 |
| ADACHI CHEMICAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| ADACHI CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ADACHI HANDELS LIMITED | Private company limited by shares | Dissolved |
| Adachi Holdings Limited | Private company limited by shares | Live |
| ADACHI SOAP INDUSTRIES LIMITED | Private company limited by shares | Live |
| ADACHI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADACHI INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| Adachi Trading International Limited | Private company limited by shares | Dissolved |
| ADACHI LIGHT (HK) LIMITED | Private company limited by shares | Live |
| ADACHI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Adacta Limited | Private company limited by shares | Live |
| ADADORIS LIMITED | Private company limited by shares | Live |
| ADADS LIMITED | Private company limited by shares | Live |
| ADAFEE HK CO., LIMITED | | Live |
| ADAGE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAGE GROUP LIMITED | Private company limited by shares | Live |
| ADAGE PLUS CO LIMITED | Private company limited by shares | Live |
| ADAGIO LIMITED | Private company limited by shares | Dissolved |
| ADAGIO LIMITED | Private company limited by shares | Live |
| Adagio Lab Limited | Private company limited by shares | Live |
| GREEN ADAGIO INVESTMENT LIMITED | Private company limited by shares | Live |
| ADAGIO STUDIO LIMITED | Private company limited by shares | Live |
| Adah Technology Co., Limited | Private company limited by shares | Live |
| ADAH INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| HAFA ADAI LIMITED | Private company limited by shares | Dissolved |
| ADAIR COMPANY LIMITED | Private company limited by shares | Dissolved |
| Adair Co., Limited | Private company limited by shares | Live |
| ADAIR LIGHTING CO., LIMITED | Private company limited by shares | Live |
| ADAIR DECORS CO., LIMITED | Private company limited by shares | Live |
| ADAIR INDUSTRIAL DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| T. ADAIR & SONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| ADAIR TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAIX GROUP ASIA LIMITED | Private company limited by shares | Live |
| HONGKONG ADA-JOY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ADAKA LIMITED | Private company limited by shares | Dissolved |
| ADAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAL SYSTEMS LIMITED | Private company limited by shares | Live |
| HK ADALAM BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADALAND INVESTMENT LIMITED | Private company limited by shares | Live |
| ALAMDOST ADALAT TRADING LIMITED | Private company limited by shares | Live |
| ADALBERT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Adalco Limited | Private company limited by shares | Live |
| ADALE LIMITED | Private company limited by shares | Live |
| ADALEO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADALEX LIMITED | Private company limited by shares | Live |
| ADALEX TRADING & INVESTMENT (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| Adalheidis Love International Group Co., Limited | Private company limited by shares | Live |
| ADALIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADALID GEAR LIMITED | Private company limited by shares | Live |
| ADALINA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADALPHA LIMITED | | Live |
| ADALTA CAPITAL LIMITED | Private company limited by shares | Live |
| AdAlta Group Limited | Private company limited by shares | Dissolved |
| ADALTIS ASIA LIMITED | Private company limited by shares | Dissolved |
| Adaltis China Limited | Private company limited by shares | Live |
| A-DALTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADAM & EVE LIMITED | Private company limited by shares | Dissolved |
| ADAM LIMITED | Private company limited by shares | Live |
| ADAM & EVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAM & EVE LIMITED | Private company limited by shares | Live |
| ADAM LIMITED | Private company limited by shares | Live |
| Adam PTC Limited | Private company limited by shares | Live |
| NEW ADAM LIMITED | Private company limited by shares | Live |
| HK ADAM COMPANY LIMITED | Private company limited by shares | Live |
| BTL ADAM LIMITED | | Live |
| Adam n Adamma Limited | Private company limited by shares | Dissolved |
| ADAM BEAUTY LIMITED | Private company limited by shares | Live |
| Adam Capital Limited | Private company limited by shares | Live |
| Adam Check Limited | Private company limited by shares | Live |
| ADAM ENTERPRISE LIMITED | Private company limited by shares | Live |
| Adam Ferguson Company Limited | Private company limited by shares | Live |
| FRENCH ADAM LIMITED | | Live |
| Adam Holding Limited | Private company limited by shares | Live |
| Adam Investment Holding Limited | Private company limited by shares | Live |
| Adam Nature Limited | Private company limited by shares | Live |