| ADAPTA LIMITED | Private company limited by shares | Live |
| ADAPTALENT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ADAPTALL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADAPTER POWER LIMITED | Private company limited by shares | Live |
| ADAPTEV LIMITED | Private company limited by shares | Live |
| ADAPTEX (H.K.) LIMITED | Private company limited by shares | Live |
| ADAPTIN SOFTWARE LIMITED | Private company limited by shares | Live |
| Global Adapting Ecology Cultivation Industry Society (HK) Limited | Private company limited by shares | Live |
| ADAPTION LIMITED | Private company limited by shares | Live |
| Adaptive Limited | Private company limited by shares | Live |
| Adaptive Ai Limited | | Live |
| ADAPTIVE NEURAL BIOMETRICS LIMITED | Private company limited by shares | Live |
| ADAPTIVE EDUCATION COMPANY LIMITED | Private company limited by shares | Live |
| ADAPTIVE MACHINES LIMITED | Private company limited by shares | Live |
| ADAPTIVE ROBOTICS LIMITED | Private company limited by shares | Live |
| ADAPTIVE CONCEPTS SECURITY LIMITED | | Live |
| ADAPTIVE SOLUTIONS LIMITED | Private company limited by shares | Live |
| Adaptive Frontier Technology Limited | | Live |
| UMEZONE ADAPTIVE LEARNING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADAPTIVE-TEC (HK) TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| ADAPT-MOBILE ASIA LIMITED | Private company limited by shares | Dissolved |
| Adaptologie Limited | Private company limited by shares | Live |
| ADAPTOR SECRETARIES LIMITED | Private company limited by shares | Dissolved |
| ADAPTOR TAXATION & FINANCIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ADAPTY COMPANY LIMITED | Private company limited by shares | Live |
| Adaquarim.com Limited | Private company limited by shares | Live |
| ADAR GROUP COMPANY LIMITED | Private company limited by shares | Live |
| ADARC calibre Limited | Private company limited by shares | Dissolved |
| adArchitects Limited | Private company limited by shares | Live |
| ADARE LIMITED | Private company limited by shares | Live |
| Adarga Company Limited | Private company limited by shares | Live |
| Adaric Limited | Private company limited by shares | Live |
| ADARIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ADARO ENTERPRISE (HK) CO., LIMITED | Private company limited by shares | Live |
| ADAROMA LIMITED | Private company limited by shares | Live |
| Adarsh Shipping Limited | | Live |
| ADAS LIMITED | Private company limited by shares | Live |
| ADAS ASIA LIMITED | Private company limited by shares | Dissolved |
| ADAS LEADER SYSTEMS LIMITED | Private company limited by shares | Live |
| ADA'S PARKING LIMITED | Private company limited by shares | Live |
| Adas Trade Co Limited | Private company limited by shares | Live |
| ADASIA LIMITED | Private company limited by shares | Dissolved |
| ADASIE LIMITED | Private company limited by shares | Live |
| ADASION (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADASION FLEXO PLATE MAKING (HK) CO., LIMITED | Private company limited by shares | Live |
| ADASON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Adassa Entertainment Limited | Private company limited by shares | Live |
| ADASTRA LIMITED | Private company limited by shares | Dissolved |
| Adastra Limited | Private company limited by shares | Live |
| Adastra Limited | | Live |
| Adastra Capital Limited | | Live |
| ADASTRA HERITAGE LIMITED | Private company limited by shares | Live |
| ADASTRA PACIFIC LIMITED | Private company limited by shares | Live |
| ADAT SALES LIMITED | Private company limited by shares | Live |
| ADataMobi Limited | Private company limited by shares | Live |
| Adatech Limited | Private company limited by shares | Live |
| HK ADATECH CO., LIMITED | Private company limited by shares | Live |
| ADATEM LIMITED | Private company limited by shares | Live |
| ADATOSHI LIMITED | Private company limited by shares | Live |
| ADATREND LIMITED | Private company limited by shares | Dissolved |
| ADATTO INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| A.D.A.U. LIMITED | Private company limited by shares | Live |
| ADAUR LIMITED | Private company limited by shares | Live |
| ADAVALE LIMITED | Private company limited by shares | Live |
| ADAVAS LIMITED | Private company limited by shares | Live |
| ADAVON LIMITED | Private company limited by shares | Dissolved |
| ADAVOYLE TRADING LIMITED | Private company limited by shares | Dissolved |
| ADAWORTH LIMITED | Private company limited by shares | Live |
| Adax Dental Co. Limited | Private company limited by shares | Live |
| ADAX (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ADAX TECH HOLDINGS LIMITED | Private company limited by shares | Live |
| ADAX INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ADAXCO LIMITED | Private company limited by shares | Live |
| ADAXYS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ADAY LIMITED | Private company limited by shares | Live |
| ADAY (HK) LIMITED | Private company limited by shares | Live |
| GREEN ADAY INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| A.D.B. LIMITED | Private company limited by shares | Live |
| Adba Technology Limited | Private company limited by shares | Live |
| AD-BARREL ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADBARTERGROUP ASIA LIMITED | Private company limited by shares | Dissolved |
| Adbeautymob Co., Limited | | Live |
| ADBECO CPA LIMITED | Private company limited by shares | Live |
| ADBECO ASIA LIMITED | Private company limited by shares | Live |
| ADBEE TECH LIMITED | Private company limited by shares | Live |
| Adbees Digital Limited | Private company limited by shares | Live |
| ADBETA LIMITED | | Live |
| AdBeyond (Group) Limited | Private company limited by shares | Live |
| ADBIAS LIMITED | Private company limited by shares | Live |
| Adbink Limited | Private company limited by shares | Live |
| ADBIZ LIMITED | Private company limited by shares | Dissolved |
| Adblue Financial Systems Asia Limited | Private company limited by shares | Live |
| ADBLUE (HK) TRADING LIMITED | Private company limited by shares | Dissolved |
| Adbluedigital Limited | Private company limited by shares | Live |
| ADBRIDGE LIMITED | Private company limited by shares | Live |
| ADBRO Company Limited | | Live |
| ADBROWNIES ADVERTISING LIMITED | Private company limited by shares | Live |
| ADBRY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Adbund Limited | Private company limited by shares | Live |
| Adby Leap Technologies Limited | Private company limited by shares | Live |