| ANTAEUS OCEAN BIOTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| ANTAI BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| ANTAI BIO-TECH GROUP CO., LIMITED | Private company limited by shares | Live |
| Anyuan Biotech Co., Limited | Private company limited by shares | Live |
| A.O. Biotech Limited | Private company limited by shares | Live |
| APOLLO BIOTECH LLC (HK) LIMITED | Private company limited by shares | Live |
| SHENZHEN APRO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Apro Ingredients Biotech Limited | Private company limited by shares | Live |
| AQUA GEL BIOTECH (HONGKONG) LIMITED | Private company limited by shares | Live |
| AquaCos Biotech Limited | | Live |
| ARCADIA BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| ARCON BIOTECH LIMITED | | Live |
| Arctic Vision Hong Kong Biotech Limited | Private company limited by shares | Live |
| ARCTIC TIME BIOTECH LIMITED | | Live |
| Artemis Biotech Limited | Private company limited by shares | Dissolved |
| ASAHARU BIOTECH CORPORATION LIMITED | Private company limited by shares | Live |
| Ashima Biotech Limited | Private company limited by shares | Live |
| ASIA BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| PAN ASIA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| CARE ASIA BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| Pure Asia Biotech Limited | Private company limited by shares | Live |
| HK ASIA SKIN BIOTECH LIMITED | Private company limited by shares | Live |
| ASIA-MAIN BIOTECH LIMITED | Private company limited by shares | Live |
| ASignal Biotech Limited | Private company limited by shares | Live |
| Astris Biotech Limited | | Live |
| Atom Biotech Limited | Private company limited by shares | Live |
| Audany Biotech Limited | Private company limited by shares | Live |
| AUSMAUCO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| AUSTRALIA MELO BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Australian Marine Bio-Tech (H.K.) Limited | Private company limited by shares | Live |
| Auti Biotech Company Limited | | Live |
| Autran Biotech Co., Limited | Private company limited by shares | Live |
| BADA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| BAICAOYUAN BIOTECH HK LIMITED | Private company limited by shares | Live |
| BAMBOO BIO-TECH GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BAOLIN BIOTECH BUSINESS LIMITED | Private company limited by shares | Live |
| BARTON BIOTECH LIMITED | Private company limited by shares | Live |
| BASELIFE BIOTECH LIMITED | | Live |
| BATON BIOTECH LIMITED | Private company limited by shares | Live |
| BAYSOUTH BIOTECH LIMITED | Private company limited by shares | Live |
| Baystar Biotech Limited | Private company limited by shares | Live |
| BayVax Biotech Limited | Private company limited by shares | Live |
| Easy Beauty Biotech. Limited | Private company limited by shares | Live |
| BEHYO BIOTECH LIMITED | Private company limited by shares | Live |
| BEIJING SCIENCE BIO-TECH COMPANY LIMITED | Private company limited by shares | Live |
| BELLA BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Benefit Biotech Limited | Private company limited by shares | Live |
| Benzo Biotech Limited | | Live |
| BERMANN BIOTECH LIMITED | Private company limited by shares | Live |
| Best Biotech Limited | Private company limited by shares | Live |
| ASIA BEST BIO-TECH CO. LIMITED | Private company limited by shares | Live |
| BESTDOC BIOTECH LIMITED | Private company limited by shares | Live |
| Bestzyme Biotech HK Limited | Private company limited by shares | Live |
| BIKANG BIO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Bing BioTech Limited | Private company limited by shares | Live |
| Bioasia Biotech Limited | Private company limited by shares | Live |
| BIOLAND BIOTECH (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| BIO-LEGEND BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| BIO-LEGEND (WU HAN) BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG BIOTECH (INTERNATIONAL) BIOLOGY LEECHDOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Bisio Biotech Co., Limited | Private company limited by shares | Live |
| China Black Wine Biotech Co., Limited | Private company limited by shares | Live |
| Black Biotech Soldier Fly Limited | Private company limited by shares | Live |
| BLOOM & BLOSSOMS BIOTECH COMPANY LIMITED | | Live |
| BOHUS BIOTECH ASIA LIMITED | Private company limited by shares | Live |
| ERA BOYA BIOTECH SHARE LIMITED | Private company limited by shares | Live |
| BRIGHT BIOTECH LIMITED | Private company limited by shares | Dissolved |
| BRIGHT BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Star Bright Bio-Tech Limited | | Live |
| BUG BROS BIOTECH LIMITED | Private company limited by shares | Live |
| C.A. LIFE BIOTECH GROUP LIMITED | Private company limited by shares | Dissolved |
| C.A. LIFE BIOTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| CHINA CAMBODA BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| CAMBRIDGE BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Can-Cure Biotech Limited | | Live |
| ZHONGDANRUI Cannabis (Hong Kong) Biotech Co. Limited | Private company limited by shares | Live |
| CanWell Biotech Limited | Private company limited by shares | Live |
| Carbon Logic Biotech (HK) Limited | Private company limited by shares | Live |
| Cardians Biotech Company Limited -The- | Private company limited by shares | Live |
| CASK BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| C-Cell Biotech Limited | | Live |
| JP Cellen Biotech Company Limited | Private company limited by shares | Live |
| Cellmano Biotech Limited | Private company limited by shares | Live |
| Cenebehring (Hong Kong) Biotech Co., Limited | Private company limited by shares | Live |
| CENTENNIAL BIOTECH LIMITED | Private company limited by shares | Live |
| EURO-AMERICA BIOTECH INCUBATING TRANSFER CENTER (HONGKONG) LIMITED | Private company limited by shares | Live |
| SWISS GREEN NOVER BIOTECH RESEARCH CENTRE LIMITED | Private company limited by shares | Dissolved |
| New Century Biotech Company Limited | Private company limited by shares | Dissolved |
| Certain Wonder Bio-tech Limited | Private company limited by shares | Live |
| Cewor Biotech Holding, Limited | Private company limited by shares | Live |
| C-FORCE BIOTECH LIMITED | Private company limited by shares | Live |
| HK Yan Chai Tong Biotech Co Limited | Private company limited by shares | Live |
| CHANGZHI BIO-TECH LIMITED | Private company limited by shares | Live |
| TPG Biotech II Charisma Limited | Private company limited by shares | Live |
| CHASTRU BIOTECH LIMITED | | Live |
| BIOTECH CHEMISTRY CO., LIMITED | Private company limited by shares | Live |
| Chempharms Biotech (HK) Co., Limited | | Live |
| ZHEJIANG CHEMVPLUS BIOTECH CO., LIMITED | Private company limited by shares | Live |
| CHEMWITH BIOTECH LIMITED | Private company limited by shares | Live |
| Hua Yu Cheng Fu BioTech Limited | | Live |