| 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 |
| VOLCANO SOURCE BIOTECH GROUP SHARE LIMITED | Private company limited by shares | Dissolved |
| WASON BIOTECH INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| PNP (BIO-TECH & WASTE MANAGEMENT) CO. LIMITED | Private company limited by shares | Dissolved |
| Weall Biotech Limited | Private company limited by shares | Live |
| WELFARE BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOTECH WELL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jan-2010 |
| Well Biotech HK Limited | Private company limited by shares | Live |
| WELL BIOTECH CO., LIMITED | Private company limited by shares | Live |
| WELL BIO-TECH INT'L LIMITED | Private company limited by shares | Live |
| WELLGENE BIOTECH LIMITED | Private company limited by shares | Live |
| European Wellness Biotech Investment Holding Limited | Private company limited by shares | Live |
| WESTERN CAPITAL BIOTECH LIMITED | Private company limited by shares | Dissolved |
| WINLEIN (HK) BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| WINNER BIOTECH GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| WINNER HEALTH BIOTECH LIMITED | Private company limited by shares | Live |
| Winzyme Biotech Limited | | Live |
| THREE WISE MEN BIOTECH (HK) CO., LIMITED | Private company limited by shares | Live |
| CHAN XIANG BIOTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| H.K GONG RUN XIANG BIO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| XIANG LONG BIOTECH LIMITED | Private company limited by shares | Live |
| Xiaomo Biotech Limited | Private company limited by shares | Live |
| HK XIMUYA BIOTECH LIMITED | Private company limited by shares | Live |
| International Xing Island Health & Biotech Trade Limited | Private company limited by shares | Live |
| XINGCHEN BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| A XINMEI BIOTECH (HK) LIMITED | Private company limited by shares | Live |
| XINRUN BIOTECH LIMITED | Private company limited by shares | Live |
| HK XIUNENG BIOTECH LIMITED | Private company limited by shares | Live |
| XIYATI BIOTECH LIMITED | Private company limited by shares | Live |
| Xizia Biotech Limited | Private company limited by shares | Live |
| XUANLIN BIOTECH LIMITED | Private company limited by shares | Live |
| HK XYSP BIOTECH LIMITED | Private company limited by shares | Live |
| HK YAMANDI BIOTECH LIMITED | Private company limited by shares | Live |
| YAMBEAR BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| HK YANGFU BIOTECH LIMITED | Private company limited by shares | Live |
| HK YANLIAN BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| YanXiShan Bio-Tech Group Limited | Private company limited by shares | Live |
| HK YAOLINTANG BIOTECH LIMITED | Private company limited by shares | Live |
| Yes-Sun Biotech Limited | Private company limited by shares | Live |
| KOREA YFEIZI BIOTECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HK YILINGDI BIOTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Aug-2018 |
| HK YIMIN BIO-TECH (INT'L) DEV. LIMITED | Private company limited by shares | Dissolved |
| HK YINUO BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Gold Metal Yitiaogen Bio-Tech Limited | Private company limited by shares | Live |
| YOGA BIOTECH LIMITED | Private company limited by shares | Live |
| Yosun biotech Limited | | Live |