| 4D Bios Limited | | Live |
| Bios Biotechnology Company Limited | | Live |
| BIOS Cultural and Creative Agency Limited | Private company limited by shares | Live |
| BIOS DISTRIBUTION LIMITED | Private company limited by shares | Dissolved |
| BIOS ELECTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| BIOS GLOBAL LIMITED | | Live |
| BIOS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BIOS International Limited | Private company limited by shares | Live |
| BIOS MANUFACTORY LIMITED | Private company limited by shares | Live |
| BIOS MANUFACTURING LIMITED | Private company limited by shares | Live |
| BIOS PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| BIOS SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| BIOS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BioSample HK Limited | Private company limited by shares | Dissolved |
| BIO&SANTE LIMITED | | Live |
| Biosbridge International Limited | Private company limited by shares | Live |
| BioScan Limited | Private company limited by shares | Live |
| BIOS-CHINA LIMITED | Private company limited by shares | Dissolved |
| BIOSCIEN LIMITED | Private company limited by shares | Live |
| BIO-SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAX BIO-SCIENCE LIMITED | Private company limited by shares | Live |
| RBC Bioscience Limited | Private company limited by shares | Live |
| HK CBD Bioscience Limited | Private company limited by shares | Live |
| Agritech Bioscience Limited | Private company limited by shares | Dissolved |
| AMPHI BIOSCIENCE LIMITED | | Live |
| ANCOB BIOSCIENCE LIMITED | Private company limited by shares | Live |
| A-veitch Bioscience Limited | | Live |
| Belem Bioscience Limited | | Live |
| Benthos Bioscience Limited | Private company limited by shares | Live |
| Caps Bioscience Limited | Private company limited by shares | Live |
| CARELINK BIOSCIENCE LIMITED | Private company limited by shares | Live |
| CHRISGENE BIOSCIENCE LIMITED | Private company limited by shares | Live |
| Bioscience Diagnostic HK Limited | | Live |
| Ecophyton Bioscience Limited | Private company limited by shares | Dissolved |
| GROKEN BIOSCIENCE LIMITED | Private company limited by shares | Live |
| Hummingbird Bioscience Limited | Private company limited by shares | Live |
| Mobiusloop Bioscience Limited | Private company limited by shares | Live |
| NeoLogics Bioscience HK Limited | Private company limited by shares | Live |
| NEOMED BIOSCIENCE LIMITED | Private company limited by shares | Live |
| PrimoGenomic Bioscience Limited | Private company limited by shares | Live |
| SUNYEAR BIOSCIENCE LIMITED | Private company limited by shares | Live |
| Yeateam bioscience Limited | Private company limited by shares | Live |
| 9X Bioscience(Hong Kong)Co., Limited | Private company limited by shares | Live |
| BIOSCIENCEPACIFIC.COM LIMITED | Private company limited by shares | Dissolved |
| HD Biosciences - HKG Limited | Private company limited by shares | Live |
| Ark Biosciences Limited | Private company limited by shares | Live |
| NDF Biosciences Limited | Private company limited by shares | Live |
| CPF Biosciences HK Limited | Private company limited by shares | Live |
| BK Biosciences Limited | | Live |
| Nona Biosciences Asia Limited | | Live |
| BridGene Biosciences Limited | | Live |
| Civet Biosciences Limited | Private company limited by shares | Live |
| Clonomax Biosciences Limited | Private company limited by shares | Live |
| Genflow Biosciences Limited | Private company limited by shares | Live |
| GRAND BIOSCIENCES LIMITED | | Live |
| GE Healthcare Bio-Sciences Limited | Private company limited by shares | Live |
| HealthWell Biosciences, Co., Limited | Private company limited by shares | Live |
| Ambrio Biosciences (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Assembly Biosciences Hong Kong Limited | Private company limited by shares | Live |
| Grid Biosciences Hong Kong Limited | Private company limited by shares | Live |
| NEW HORIZON BIOSCIENCES LIMITED | Private company limited by shares | Live |
| HUAZHEN BIOSCIENCES COMPANY LIMITED | Private company limited by shares | Live |
| InnoTech Biosciences Company Limited | Private company limited by shares | Live |
| Nova Bio-Sciences Limited | Private company limited by shares | Live |
| N-Tech Biosciences Limited | Private company limited by shares | Live |
| PACIFIC BIO-SCIENCES LIMITED | Private company limited by shares | Dissolved |
| CMC BIOSCIENCES ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Phyto BioSciences Limited | | Live |
| ProHealth Biosciences Limited | Private company limited by shares | Live |
| QuantX Biosciences Limited | | Live |
| RELIOME BIOSCIENCES LIMITED | | Live |
| WOLAN BIOSCIENCES LIMITED | Private company limited by shares | Live |
| TIMES-LEGEND BIOSCIENTIFIC CO., LIMITED | Private company limited by shares | Live |
| ANAPURE BIOSCIENTIFIC (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| DM GROUP (HONG KONG) BIO-SCIENTIFIC LIMITED | Private company limited by shares | Live |
| BIORULE BIOSCIENTIFIC (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| TIANJIAN BIO-SCIENTIFIC INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONG YI BIO-SCIENTIFIC LIMITED | Private company limited by shares | Live |
| SVIS & SILKY BIO-SCIENTIFIC (HONG KONG) LIMITED | Private company limited by shares | Live |
| HK BIOSCIENX INT'L TRADE LIMITED | Private company limited by shares | Live |
| BIOSCIEQUIP SUPPLY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| BIOSCREEN LIMITED | Private company limited by shares | Live |
| BIOSCRIB LIMITED | Private company limited by shares | Dissolved |
| Greenland Bio-sea Co., Limited | Private company limited by shares | Dissolved |
| BIOSEA (HK) LIMITED | Private company limited by shares | Dissolved |
| Dox Biosearch Limited | Private company limited by shares | Live |
| BIOSECURE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| BIOSECURE ID SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| BIOSECURITY CO., LIMITED | Private company limited by shares | Live |
| BIOSECURITY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOSEEN GROUP LIMITED | | Live |
| Bioselcted Technology Limited | Private company limited by shares | Live |
| BIO-SEMENA LIMITED | Private company limited by shares | Live |
| Biosen Limited | | Live |
| BioSense HK Limited | Private company limited by shares | Live |
| GIANT BIOSENSOR LIMITED | Private company limited by shares | Live |
| Biosensors Interventional Technologies HK Limited | Private company limited by shares | Live |
| BIOSERVICES COMPANY LIMITED | Private company limited by shares | Live |
| Bioseth (Hong Kong) Company Limited | Private company limited by shares | Live |
| BIOSHIELD ASIA LIMITED | Private company limited by shares | Live |