| ZHEJIANG SHENGHUA BIOK BIOLOGY CO., LIMITED | Private company limited by shares | Live |
| BIOK BIOTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| BIO-KC (CHINA) CO., LIMITED | Private company limited by shares | Live |
| BIOKEMIX WORLDWIDE LIMITED | Private company limited by shares | Live |
| BIO-key Hong Kong Limited | Private company limited by shares | Live |
| BIOKEY TECHNOLOGY LIMITED | | Live |
| BIOKEY SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Biokey Health Technology (HK) Co., Limited | Private company limited by shares | Live |
| BIOKITCHEN LIMITED | Private company limited by shares | Live |
| BIOKLIMATIK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| BIOKO LIMITED | Private company limited by shares | Dissolved |
| BIOKOSMETIKA SWISS SA BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BIOKOST CHINA LIMITED | Private company limited by shares | Live |
| IQT "BIO-KVANT" LIMITED | Private company limited by shares | Live |