| STARWAY BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| STATE ELEPHANT BIOTECH COMPANY LIMITED | | Live |
| Round Stone Biotech Limited | Private company limited by shares | Live |
| STRAND BIOTECH (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| STRONG BIO-TECH PHARMACEUTICAL LIMITED | Private company limited by shares | Dissolved |
| Summit Biotech Limited | Private company limited by shares | Live |
| SUNDAY BIOTECH CO., LIMITED | Private company limited by shares | Live |
| HK SUNGRI BIOTECH LIMITED | Private company limited by shares | Live |
| Sunjoy Biotech Limited | | Live |
| Cordyceps Sunshine Biotech Co., Limited | Private company limited by shares | Live |
| Hunan Sunshine Bio-tech Limited | Private company limited by shares | Live |
| Sunshine Pacific Biotech Limited | Private company limited by shares | Live |
| SUNSHINE BIOTECH (SHANGHAI) CO. LIMITED | Private company limited by shares | Live |
| SUPER BIOTECH (HK) CO., LIMITED | | Live |
| Supergenics Biotech Limited | | Live |
| Supreme Harmony Biotech Limited | | Live |
| Sure Bio-Tech (HongKong) Co., Limited | Private company limited by shares | Live |
| Sustain Care Biotech Co. Limited | | Live |
| HK SUYANMEI BIOTECH LIMITED | Private company limited by shares | Live |
| Swing Biotech Limited | Private company limited by shares | Live |
| SwissCare Biotech Limited | Private company limited by shares | Live |
| Syson (HK) Biotech Limited | Private company limited by shares | Live |
| TAIWAN KE-LI BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Taiwan Xinyi Biotech Co., Limited | Private company limited by shares | Live |
| TAIWAN YIGE BIOTECH CO., LIMITED | Private company limited by shares | Live |
| TAIWAN CENTURY KANGCHEN BIOTECH SHARE LIMITED | Private company limited by shares | Live |
| XZAN BIOTECH. SHARE (TAIWAN) LIMITED | Private company limited by shares | Live |
| TAIYEN BIOTECH CO., LIMITED | Private company limited by shares | Live |
| BIOTECH TOP TECHNOLOGY INC LIMITED | Private company limited by shares | Live |
| BIOTECH BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Carilex (France) Biotech Technology Co, Limited | Private company limited by shares | Live |
| Techone Biotech Investment Co., Limited | Private company limited by shares | Live |
| Techrich (China) Biotech Company Limited | | Live |
| TECHWAVE BIOTECH LIMITED | | Live |
| Long Teng Biotech Company Limited | Private company limited by shares | Live |
| TENGDA BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| TenX Bio-Tech Co. Limited | Private company limited by shares | Live |
| TENZYME BIOTECH LIMITED | Private company limited by shares | Live |
| Textiva Biotech Limited | | Live |
| TIANDA BIOTECH LIMITED | Private company limited by shares | Live |
| Tianmushan Biotech Group Limited | Private company limited by shares | Live |
| Tider Biotech (Hongkong) Co., Limited | Private company limited by shares | Live |
| TiLa Biotech Company Limited | Private company limited by shares | Live |
| Time Biotech Company Limited | | Live |
| HK TIMI BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Timothy Omni Biotech Co., Limited | Private company limited by shares | Live |
| TINKY BIOTECH LIMITED | Private company limited by shares | Live |
| TOMATORED BIO-TECH (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Tomorrow Bio-Tech Company Limited | Private company limited by shares | Live |
| HK TONGYANGMEIFU BIOTECH LIMITED | Private company limited by shares | Live |
| TOPSKY BIOTECH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| TOPSUM BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| Topview Biotech Limited | Private company limited by shares | Live |
| L&H BIOTECH TRADE LIMITED | Private company limited by shares | Live |
| BIOTECH INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Jun-2016 |
| BIO-TECH TRADING LIMITED | Private company limited by shares | Dissolved |
| SNK BIOTECH TRADING CO., LIMITED | Private company limited by shares | Live |
| PLEX BIOTECH (HONGKONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| Thomson Biotech Trading Company Limited | Private company limited by shares | Live |
| Transun Biotech Co., Limited | Private company limited by shares | Live |
| TRI-AGRI BIOTECH CO., LIMITED | Private company limited by shares | Live |
| TRIDENT BIOTECH TRADING CO LIMITED | | Live |
| Able Trillion Biotech Co., Limited | | Live |
| TrillionsMed BioTech Co., Limited | | Live |
| Trinomab (Hong Kong) Biotech Co., Limited | Private company limited by shares | Live |
| TWIN WEALTH BIOTECH LIMITED | Private company limited by shares | Live |
| TYJITO BIOTECH (SEA) LIMITED | Private company limited by shares | Live |
| U-Century Bio-Tech Company Limited | Private company limited by shares | Live |
| UKON BIOTECH LIMITED | Private company limited by shares | Live |
| ULTRA BIOTECH CO., LIMITED | Private company limited by shares | Live |
| UNIDA Bio-tech (HK) Limited | | Live |
| UNITED BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| United Biotech (HK) Limited | | Live |
| Unity Biotech Global Limited | | Live |
| UNIVERSAL BIOTECH LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BIO-TECH ENVIRONMENTAL GROUP LIMITED | Private company limited by shares | Dissolved |
| US-HK Biotech Research Company Limited | Private company limited by shares | Live |
| U-TREND BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Cloud Valley Gene Biotech (HK) Limited | Private company limited by shares | Live |
| ORIGINAL VALLEY BIO-TECH LIMITED | Private company limited by shares | Live |
| Vangenes Biotech (HongKong) Limited | | Live |
| Vegas Biotech Co., Limited | Private company limited by shares | Live |
| VERITA BIOTECH LIMITED | Private company limited by shares | Live |
| VGuard Biotech Limited | Private company limited by shares | Live |
| Victory Bio-Tech Company Limited | Private company limited by shares | Dissolved |
| VIKO BIOTECH LIMITED | Private company limited by shares | Live |
| Vimriver Biotech Limited | | Live |
| ViroGin Biotech Limited | Private company limited by shares | Live |
| BioTech Vision Limited | Private company limited by shares | Live |
| VISTA GLOBAL BIOTECH LIMITED | Private company limited by shares | Live |
| VITA BIOTECH LIMITED | Private company limited by shares | Live |
| VITA HEALTH BIO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| VITA HEALTH BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| MEGA VITA BIOTECH COMPANY LIMITED | | Live |
| VITAIM BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| NORTHWEST VITAL BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| Vitality Bio-tech Limited | Private company limited by shares | Live |
| VivoMatter BioTech Company Limited | | Live |
| Vnectar Biotech Limited | | Live |