| MEGASTAR BIOSHIELD LIMITED | Private company limited by shares | Live |
| BIOSHK CO LIMITED | Private company limited by shares | Dissolved |
| BIOSI LIMITED | Private company limited by shares | Dissolved |
| BIOSIGNALS LIMITED | Private company limited by shares | Live |
| Biosilu Pharma (HK) Partners Limited | Private company limited by shares | Live |
| BIOSIMTECH LIMITED | Private company limited by shares | Live |
| NINGBO BIOSIN IMPORT&EXPORT LIMITED | Private company limited by shares | Live |
| BIOSING LIMITED | | Live |
| BIOSINT LIMITED | Private company limited by shares | Live |
| BIOSK (HK) CHEMICALS CO., LIMITED | Private company limited by shares | Live |
| BIO-S-NUTRITION Company HK Limited | Private company limited by shares | Live |
| L&C BIOSOFT LIMITED | | Live |
| Agape Biosolutions Limited | | Live |
| BIOSOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Nobel Biosolutions Limited | Private company limited by shares | Live |
| OxyMist BioSolutions Limited | Private company limited by shares | Live |
| Trinity Biosolutions Company Limited | Private company limited by shares | Live |
| WISE BIOSOLUTIONS LIMITED | | Live |
| BIOSON LIMITED | Private company limited by shares | Live |
| Bio-Song Beauty Technology Company Limited | Private company limited by shares | Dissolved |
| BIOSOTA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Forever Biosource (Credit) Limited | Private company limited by shares | Live |
| BioSource (HK) Technology Limited | | Live |
| BIOSOURCE HONGKONG TRADING LIMITED | Private company limited by shares | Live |
| BIOSOURCE INDUSTRIES LIMITED | Private company limited by shares | Live |
| BIOSOURCE INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOTECH BIOSOURCE LIMITED | Private company limited by shares | Dissolved |
| BIO-SOURCES INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| BIOSOW AGRICULTURAL RESOURCES GROUP LIMITED | Private company limited by shares | Live |
| BIOSPACE ACCELERATOR LIMITED | Private company limited by shares | Dissolved |
| Biospace Science Trading Enterprise Limited | Private company limited by shares | Live |
| BIOSPARK LIMITED | Private company limited by shares | Live |
| BIOSPECIFIX ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Micron Bio-Spectrum Limited | Private company limited by shares | Live |
| BIO-SPECTRUM CONSULTANCY SERVICES LIMITED | Private company limited by shares | Live |
| CHINA ZHOULIN BIO-SPECTRUM (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOSPHERE COMPANY LIMITED | Private company limited by shares | Live |
| Biosphere Limited | Private company limited by shares | Live |
| BIOSPHERE ENERGY CONSERVATION INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Biosphere (HK) Co. Limited | Private company limited by shares | Dissolved |
| BIOSPHERE PRESERVATION TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Dissolved |
| BIOSPHERE (HOLDINGS) COMPANY LIMITED | Private company limited by shares | Live |
| Biosphere International Trading Company Limited | | Live |
| BIOSPHERE (ASIA PACIFIC) COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOSPHERE CONSULTING & SERVICES LIMITED | Private company limited by shares | Dissolved |
| BIOSPLAST LIMITED | | Live |
| BIOSPORTART ASIA LIMITED | Private company limited by shares | Live |
| BIOSPRING BIOSCIENTIFIC CO., LIMITED | Private company limited by shares | Live |
| Biospring Biotech Industry Co., Limited | Private company limited by shares | Live |
| Biospring Co., Limited | | Live |
| BIO-SPRING PACKAGING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOSSENTIALS LIMITED | Private company limited by shares | Live |
| BIOSSOM ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| BIOS-SPORT.COM LIMITED | Private company limited by shares | Dissolved |
| BIOSTADT INTEL LIMITED | Private company limited by shares | Dissolved |
| BIOSTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOSTAR ASIA LIMITED | Private company limited by shares | Live |
| BIO-STATION LIMITED | Private company limited by shares | Live |
| BIOSTEC INTERNATIONAL TRADING CO., LIMITED | | Live |
| LONG BEN BIOSTECH LIMITED | Private company limited by shares | Live |
| Biostime Hong Kong Limited | Private company limited by shares | Live |
| BIOSTONE CAPITAL LIMITED | | Live |
| BIOSUCCESS INVESTMENT LIMITED | Private company limited by shares | Live |
| BIOSUCCESS INVESTMENT (HOLDING) LIMITED | Private company limited by shares | Live |
| BIOSUCCESS ORGANIC LIMITED | Private company limited by shares | Dissolved |
| BIO-SUCCESS TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| BIO-SUCCESS TECHNOLOGIES (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BIO-SUGARS LIMITED | Private company limited by shares | Live |
| BIOSUN COMPANY LIMITED | Private company limited by shares | Live |
| HK Biosunn Biological Technology Limited | | Live |
| Biosuntec Limited | Private company limited by shares | Live |
| Biosyn Investment Co., Limited | Private company limited by shares | Live |
| BIOSYN PHARMA CO., LIMITED | Private company limited by shares | Live |
| BIOSYN (HONG KONG) COMPANY LIMITED | | Live |
| BioSynergo HK Limited | Private company limited by shares | Dissolved |
| HYGIE BIO-SYNTH CONSULTING LIMITED | Private company limited by shares | Live |
| HK BIO-SYNTHESIS BIOTECHNOLOGY CO., LIMITED | | Live |
| BioSynthesis Pharma Group Limited | Private company limited by shares | Live |
| BIOSYNTHIS LIMITED | Private company limited by shares | Live |
| PROTECH BIOSYSTEM PVT. LIMITED | Private company limited by shares | Live |
| BIOSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ED BIOSYSTEMS COMPANY LIMITED | Private company limited by shares | Live |