| YUHONG BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| YUKOU BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YULIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUMEI BIOTECHNOLOGY LIMITED | | Live |
| HK YUMEIREN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| YUNFAN BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| YUNNAN MAKA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUOU BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Yuqi Biotechnology Limited | Private company limited by shares | Live |
| YUQIAO BIOTECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK YU'S BIO-TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| YUXIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYANSHIJIA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYUANSHANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YUZHIJIE BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| ZAPP BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ZEMING HK BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zenith Biotechnology Limited | | Live |
| ZEXON BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHEJIANG TAINENG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ZHENG DUO BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| France Zhenhongliya Biotechnology Co., Limited | Private company limited by shares | Live |
| HK ZHENYAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHENYIMEI BIOTECHNOLOGY LIMITED | | Live |
| HK ZHIBEN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHIJIE BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK ZHIXIANG BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK ZHIYUAN BIOTECHNOLOGY INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| HK ZHIZHENTANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHONGHUI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHONGKEKUIHUA BIOTECHNOLOGY LIMITED | | Live |
| ZhongTai Biotechnology Pharmaceutical Group Co., Limited | Private company limited by shares | Live |
| ZhongYan Biotechnology (HK) Co., Limited | Private company limited by shares | Live |
| HK ZHONGYANG (ASIA) BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| KOREA ZHONGYANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHONGYUAN HEALTH BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| France Yao Zhuang Biotechnology Group Co., Limited | Private company limited by shares | Live |
| ZHUOMEI BIOTECHNOLOGY CO., LIMITED | | Live |
| ZIBOSHI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZiShan Biotechnology (Asia) Limited | Private company limited by shares | Live |
| HK ZIWUNIU BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ZiXi Bio-Technology Group Co., Limited | Private company limited by shares | Live |
| ZKJMW BIO-TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| ALL ZONE BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ZUODY BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZUZHUANGTANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| XINSHA AGRICULTURE (HONG KONG) BIO-TECHNOLOGY.COM LIMITED | Private company limited by shares | Dissolved |
| MERMAID BIOTECHNOLOGY(HK) CO., LIMITED | Private company limited by shares | Live |
| Deok-ao Biotechnology(Hong Kong) Limited | Private company limited by shares | Live |
| SANJING BEVERAGE BIOTECHOLOGY CO., LIMITED | | Live |
| THM Biotechpharm Limited | Private company limited by shares | Live |
| BIOTECHQ LIMITED | Private company limited by shares | Live |
| Ikong Biotechs Limited | Private company limited by shares | Live |
| BIOTECHVIE LIMITED | Private company limited by shares | Live |
| Biotecks Limited | Private company limited by shares | Dissolved |
| Biotecs Limited | Private company limited by shares | Live |
| HK BIOTEK LIMITED | Private company limited by shares | Live |
| 3D Biotek Limited | | Live |
| BELIEF INGREDIENTS BIOTEK LIMITED | | Live |
| Biotek Investment Limited | Private company limited by shares | Live |
| SIRIO BIOTEK LIMITED | Private company limited by shares | Live |
| BIOTEK SYSTEM PVT LIMITED | Private company limited by shares | Dissolved |
| TRANSGENE BIOTEK HK LIMITED | Private company limited by shares | Live |
| BIOTERFLY CO., LIMITED | Private company limited by shares | Live |
| Biotest Limited | Private company limited by shares | Live |
| BIOTEX LIMITED | Private company limited by shares | Live |
| VILLA Biotherapeutic Limited | Private company limited by shares | Live |
| D2M Biotherapeutics Limited | Private company limited by shares | Live |
| Birdie Biotherapeutics HK Limited | Private company limited by shares | Live |
| AT Biotherapeutics (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Eubulus Biotherapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| Just Biotherapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| BIOTHERAPEUTICS HONG KONG LIMITED | Private company limited by shares | Live |
| IASO Biotherapeutics Limited | Private company limited by shares | Live |
| FRONTIERS INNOVATIVE BIOMEDICAL AND BIOTHERAPEUTICS COMPANY LIMITED | | Live |
| InnoVec Biotherapeutics Limited | | Live |
| Care More Biotherapeutics Limited | Private company limited by shares | Live |
| Ocean Biotherapeutics Company Limited | Private company limited by shares | Live |
| Tavotek Biotherapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| Tavotek Biotherapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| BIOTHERM (Hong Kong) E-Business Co., Limited | Private company limited by shares | Live |
| BIOTHERM HOUSEHOLD LIMITED | Private company limited by shares | Dissolved |
| FRANCE BIOTHERM COSMETIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BIOTHERM (FRANCE) INTERNATIONAL COSMETICS GROUP LIMITED | Private company limited by shares | Dissolved |
| SWISS LIUSEN INTERNATIONAL BEAUTY BIOTIC (HK) GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| BIOTIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BioTime Asia, Limited | Private company limited by shares | Live |
| HK Biotion Company Limited | Private company limited by shares | Live |
| BIOTIQA LIMITED | Private company limited by shares | Dissolved |
| Biotitle International Trade Co., Limited | Private company limited by shares | Live |
| Biotools (China) Limited | Private company limited by shares | Live |
| BIOTOP LIMITED | Private company limited by shares | Live |
| BIOTOP SCIENTIFIC LIMITED | Private company limited by shares | Live |
| BIOTOPE. HK. LIMITED | Private company limited by shares | Dissolved |
| BIOTOPIA COMPANY LIMITED | Private company limited by shares | Live |
| BioTrack LY Limited | Private company limited by shares | Live |
| BioTrack AA Limited | Private company limited by shares | Live |
| BioTrack BZ Limited | Private company limited by shares | Live |