| 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 |