| Acala International Co Limited | Private company limited by shares | Dissolved |
| ACAMAR LIMITED | Private company limited by shares | Dissolved |
| ACAMAR LIMITED | Private company limited by shares | Live |
| ACAMAS HOLDING LIMITED | | Live |
| ACAMPLUS LIMITED | Private company limited by shares | Live |
| ACAMPO LIMITED | Private company limited by shares | Dissolved |
| ACAMPORA CONSULTING LIMITED | Private company limited by shares | Dissolved |
| ACAMPORA ASSET MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| ACAN ENGINEERING LIMITED | | Live |
| Acana Investments Limited | Private company limited by shares | Live |
| Acanics Limited | Private company limited by shares | Live |
| ACANTHA LIMITED | Private company limited by shares | Live |
| ACANTHURUS LIMITED | Private company limited by shares | Live |
| ACANTHUS HANDICRAFTS (H.K.) LIMITED | Private company limited by shares | Live |
| ACANTHUS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ACANTHUS MINT LIMITED | Private company limited by shares | Dissolved |
| ACANTHUS SOLUTIONS LIMITED | Private company limited by shares | Live |
| ACANTIC COMPANY LIMITED | Private company limited by shares | Live |
| Acao (HK) Limited | Private company limited by shares | Live |
| ACAPBIO LIMITED | Private company limited by shares | Live |
| ACAPELLA LIMITED | Private company limited by shares | Dissolved |
| ACAPELLA BUSINESS LIMITED | Private company limited by shares | Live |
| Acaplat International Limited | Private company limited by shares | Live |
| ACAPO LIMITED | Private company limited by shares | Live |
| Acapro Academic Production Limited | Private company limited by shares | Live |
| Acapture APAC Limited | Private company limited by shares | Live |
| Acapulco Limited | Private company limited by shares | Live |
| ACAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACAR COMPANY LIMITED | Private company limited by shares | Live |
| ACARA LIMITED | Private company limited by shares | Live |
| Rio ACARAY Co., Limited | | Live |
| ACARDI LIMITED | Private company limited by shares | Live |
| ACARDIAN COMPANY LIMITED | Private company limited by shares | Live |
| Acargotrade Limited | | Live |
| Acarman (Hong Kong) Limited | | Live |
| ACARME CO., LIMITED | Private company limited by shares | Live |
| ACARS LIMITED | Private company limited by shares | Dissolved |
| Acarway Digital Co., Limited | Private company limited by shares | Live |
| MAHA ACARYA YANG FO XING FOUNDATION LIMITED | Company limited by guarantee | Live |
| ACASA LIMITED | Private company limited by shares | Live |
| Acaserse Limited | | Live |
| ACASIA-GGH MALTINGS LIMITED | Private company limited by shares | Dissolved |
| ACASS-SYSTEMS HK LIMITED | Private company limited by shares | Live |
| ACASTE LIMITED | Private company limited by shares | Dissolved |
| ACASTRO COMPANY LIMITED | Private company limited by shares | Dissolved |
| A-Casual Company Limited | Private company limited by shares | Live |
| ACASUS LIMITED | Private company limited by shares | Live |
| Acat Trade Limited | Private company limited by shares | Live |
| Acatris Hong Kong Limited | Private company limited by shares | Live |
| ACATUS LIMITED | Private company limited by shares | Live |
| Acatva Co. Limited | Private company limited by shares | Live |