| TORNESS SECURITIES LIMITED | Private company limited by shares | Dissolved |
| TOYO SECURITIES LIMITED | Private company limited by shares | Dissolved |
| TOYO SECURITIES ASIA LIMITED | Private company limited by shares | Live |
| MASTER TRADEMORE SECURITIES LIMITED | Private company limited by shares | Live |
| Citadel Securities Arbitrage Trading Limited | Private company limited by shares | Live |
| Citadel Securities Asia Trading Limited | Private company limited by shares | Live |
| CARNAC SECURITIES TRADING LIMITED | Private company limited by shares | Dissolved |
| BLACK SAND SECURITIES TRADING LIMITED | Private company limited by shares | Live |
| TRANS JOY SECURITIES LIMITED | Private company limited by shares | Live |
| TRANS PACIFIC SECURITIES PROPRIETARY LIMITED | Private company limited by shares | Dissolved |
| TREASURE SECURITIES LIMITED | Private company limited by shares | Live |
| TREASURE SECURITIES LIMITED | Private company limited by shares | Live |
| Treasure Capital Securities Limited | Private company limited by shares | Live |
| TRICAPITAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Tricor Securities Limited | Private company limited by shares | Live |
| TRIDENT SECURITIES LIMITED | Private company limited by shares | Dissolved |
| TRILINGS SECURITIES LIMITED | Private company limited by shares | Dissolved |
| TRINITY SECURITIES CO. LIMITED | Private company limited by shares | Live |
| TRIODES SECURITIES LIMITED | Private company limited by shares | Dissolved |
| BANKERS TRUST SECURITIES (PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| TRUSTFUL SECURITIES LIMITED | Private company limited by shares | Live |
| TRUTH SECURITIES LIMITED | Private company limited by shares | Live |
| TSUN CHI YUEN SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| TUNG TAI SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SUN SECURITIES CO. LIMITED | Private company limited by shares | Dissolved |
| TUNG YAT SECURITIES LIMITED | Private company limited by shares | Live |
| TUNG CHOW SECURITIES BROKERS, LIMITED | Private company limited by shares | Dissolved |
| HANG TUNG SECURITIES LIMITED | Private company limited by shares | Live |
| TURING SECURITIES LIMITED | Private company limited by shares | Live |
| Tyee Securities Limited | Private company limited by shares | Live |
| U-CYBER INVESTMENT (SECURITIES) LIMITED | Private company limited by shares | Dissolved |
| UNI-ALPHA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| UNICORN SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| UNIFIED SECURITIES LIMITED | Private company limited by shares | Dissolved |
| UNIFIED SECURITIES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNI-QUANTUM SECURITIES ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HK UNITED SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED SECURITIES LIMITED | Private company limited by shares | Dissolved |
| UNITED CHINESE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| FIRST UNITED SECURITIES CO., LIMITED | Private company limited by shares | Dissolved |
| United Prolific Securities Limited | Private company limited by shares | Live |
| UNIVERSAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SECURITIES ADVISORS LIMITED | Private company limited by shares | Dissolved |
| Universal Huang Chow Securities Company Limited | Private company limited by shares | Live |
| NEW UNIVERSE SECURITIES (HK) LIMITED | Private company limited by shares | Live |
| UNIVEST SECURITIES LIMITED | Private company limited by shares | Live |
| UPBEST SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| UPBEST ONLINE SECURITIES LIMITED | Private company limited by shares | Live |
| UPMAX SECURITIES LIMITED | Private company limited by shares | Live |
| UPWORTH SECURITIES LIMITED | Private company limited by shares | Dissolved |
| UTRECHT SECURITIES LIMITED | Private company limited by shares | Dissolved |
| FREE VALUE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| VANDA SECURITIES LIMITED | Private company limited by shares | Live |
| Vango Securities Limited | Private company limited by shares | Live |
| VANTAGE SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| Vantum Securities Limited | | Live |
| VANZUNG SECURITIES AND INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| VARENGOLD CAPITAL SECURITIES LIMITED | Private company limited by shares | Live |
| Veda Securities Limited | Private company limited by shares | Live |
| ASIA SECURITIES VENTURE CAPITAL LIMITED | Private company limited by shares | Dissolved |
| CAPITAL VENTURE SECURITIES LIMITED | Private company limited by shares | Live |
| VICTORFIELD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| FIRST VICTORIA SECURITIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Victorious Securities Limited | Private company limited by shares | Live |
| VICTORY SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| GRAND VIEW SECURITIES LIMITED | Private company limited by shares | Live |
| VISION SECURITIES LIMITED | Private company limited by shares | Live |
| VisTreasure Securities Limited | Private company limited by shares | Live |
| VOLARUS SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WALCO SECURITIES LIMITED | Private company limited by shares | Live |
| WANGFUFA SECURITIES GROUP HOLDING CO., LIMITED | Private company limited by shares | Live |
| WARREN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WASHINGTON SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WATTEN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CHINA WEAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CS Wealth Securities Limited | Private company limited by shares | Live |
| WEALTH SECURITIES LIMITED | | Live |
| ASIA WEALTH SECURITIES LIMITED | Private company limited by shares | Live |
| DELTA WEALTH SECURITIES LIMITED | Private company limited by shares | Live |
| GOLD WEALTH SECURITIES LIMITED | Private company limited by shares | Live |
| Poly Wealth Securities Limited | Private company limited by shares | Live |
| Wealthy Securities Limited | Private company limited by shares | Live |
| WeGeneral Securities Limited | Private company limited by shares | Live |
| Weiyuan II International Securities Investment Limited | | Live |
| WELKIN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WELL & WELL SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WELL GAIN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WELL HONEST SECURITIES LIMITED | Private company limited by shares | Live |
| WELLFIELD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WELLFULL SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| WELLINK SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WELLSPRING SECURITIES LIMITED | Private company limited by shares | Live |
| WENDE SECURITIES INVESTMENT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WENGEN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WENTWORTH SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WeShare Securities Limited | Private company limited by shares | Live |
| WESHINE SECURITIES COMPANY LIMITED | Private company limited by shares | Live |