| A.A. BLUM (PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| A.A. CAPITAL COMPANY LIMITED | Private company limited by shares | Live |
| A.A. CARSON PRODUCTIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| A.A. CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| A.A. (CHINA) CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| SW (AA) CO-OPERATION LIMITED | Private company limited by shares | Dissolved |
| A.A. FINANCE LIMITED | Private company limited by shares | Live |
| A.A. (GEMS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| A.A. Brother (HK) Commercial Co., Limited | Private company limited by shares | Live |
| A.A. GOLF HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG A.A. ELECTRONICS LIMITED | Private company limited by shares | Live |
| a.a. plus interior design Limited | Private company limited by shares | Live |
| A.A. and Associates Consulting International Limited | Private company limited by shares | Live |
| A.A. ELECTRONICS (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| A.A. KAM YUEN TRADING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| A.A. Media Limited | Private company limited by shares | Live |
| A.A. OSMAN & COMPANY LIMITED | Private company limited by shares | Dissolved |
| A.A. RACHMINOV DIAMONDS (2011) LIMITED | Private company limited by shares | Live |
| A.A. REINSURANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| A.A. SECURITIES (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| A.A. TRADING LIMITED | Private company limited by shares | Dissolved |
| A.A. WORLD FINANCE LIMITED | Private company limited by shares | Dissolved |
| A.A.110 Co Limited | Private company limited by shares | Live |
| AA1218 COMPANY LIMITED | Private company limited by shares | Live |
| AA168 Creative Limited | Private company limited by shares | Live |
| A&A2 Limited | Private company limited by shares | Live |
| AA4C AUTOMOTIVE CO., LIMITED | Private company limited by shares | Dissolved |
| AA4C AUTOMOTIVE CO., LIMITED | Private company limited by shares | Live |
| AA6HK Limited | Private company limited by shares | Live |
| AA88 LIMITED | | Live |
| AA888 LIMITED | | Live |
| AAAA CLUB COMMERCIAL MANAGEMENT CO., LIMITED | | Live |
| AAAA CO., LIMITED | Private company limited by shares | Live |
| AAAA Group Limited | Private company limited by shares | Live |
| AAAA INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| AAAA TAXI COMPANY LIMITED | Private company limited by shares | Live |
| AAAAA CO., LIMITED | | Live |
| AAAAA HEALTH LIMITED | Private company limited by shares | Live |
| AAAAA41319 LIMITED | Private company limited by shares | Live |
| AAAC GROUP LIMITED | Private company limited by shares | Live |
| AAAFC LIMITED | Private company limited by shares | Live |
| AAAGAME LIMITED | Private company limited by shares | Live |
| AAAI ENTERTAINMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| AAAi Media Technologies Limited | Private company limited by shares | Live |
| AaaM Limited | Private company limited by shares | Live |
| AAAPLI Company Limited | Private company limited by shares | Dissolved |
| AAARTTT Limited | Private company limited by shares | Live |
| AAAs Education Centre Limited | Private company limited by shares | Live |
| AAA-Solar Limited | Private company limited by shares | Live |
| AAASY Limited | Private company limited by shares | Live |
| AAA-TEL LIMITED | Private company limited by shares | Live |
| AAAYC LIMITED | Private company limited by shares | Live |
| AABA CPA LIMITED | | Live |
| AABA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| AaBaBa Co (HK) Limited | | Live |
| aabar Culture Limited | Private company limited by shares | Live |
| Aabaz Limited | Private company limited by shares | Live |
| A.AB.B GROUP LIMITED | Private company limited by shares | Live |
| AABC LIMITED | Private company limited by shares | Live |
| AABC EDUCATION LIMITED | Private company limited by shares | Live |
| HONG KONG AABHA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| AABI HK LIMITED | | Live |
| AABIO HK Limited | Private company limited by shares | Dissolved |
| AABITTA COMPANY LIMITED | Private company limited by shares | Live |
| AABITTA INVESTMENT LIMITED | Private company limited by shares | Live |
| AABIZCENTER.COM COMPANY LIMITED | Private company limited by shares | Dissolved |
| AABRO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AAB-SPAI CAPITAL LIMITED | Private company limited by shares | Dissolved |
| AABY Technology Limited | Private company limited by shares | Live |
| AAC1 Company Limited | Private company limited by shares | Live |
| AAC2 Company Limited | Private company limited by shares | Live |
| aacat Technology Limited | | Live |
| AACC Group Limited | Private company limited by shares | Live |
| AAC-CONSULT LIMITED | Private company limited by shares | Dissolved |
| AACG LIMITED | Private company limited by shares | Dissolved |
| AACHEN LIMITED | Private company limited by shares | Dissolved |
| Aachen Metal Casting (Asia) Limited | Private company limited by shares | Live |
| AaChen Connect Co., Limited | Private company limited by shares | Live |
| Hong Kong Aachen Trading Co., Limited | Private company limited by shares | Live |
| AACHEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Aachen Optoelectronic Technology Co., Limited | Private company limited by shares | Live |
| AACHEN COMMERCE LIMITED | Private company limited by shares | Live |
| AACHEN (ASIA PACIFIC) CONSULTANTS LIMITED | Private company limited by shares | Live |
| AaChen Technology Development Corporation Limited | Private company limited by shares | Live |
| AACHEN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| AACHI KONG LIMITED | Private company limited by shares | Dissolved |
| AACO AVANT SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| AACOM LIMITED | Private company limited by shares | Dissolved |
| AACOM ADVANCED AUTOMATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| AACOT ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| AACP CO LIMITED | Private company limited by shares | Live |
| AACS (HK) INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AACURAPID (HONG KONG) LIMITED | Private company limited by shares | Live |
| a_a&d Limited | Private company limited by shares | Live |
| AADDESK SYSTEMS LIMITED | Private company limited by shares | Live |
| Aaden&Alexis Limited | Private company limited by shares | Dissolved |
| AADI HK LIMITED | Private company limited by shares | Live |
| AADICKSON SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| AADIGITAL BIZ LIMITED | Private company limited by shares | Live |
| AADIPATI LIMITED | Private company limited by shares | Live |