| WESTERN SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTLB SECURITIES PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WHITE STAR SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Whitestone Securities Limited | Private company limited by shares | Live |
| WHITMAN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WHOLE WIN SECURITIES LIMITED | Private company limited by shares | Live |
| WILBERT SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WILBY SECURITIES LIMITED | Private company limited by shares | Live |
| WILLIAMS SECURITIES LIMITED | Private company limited by shares | Live |
| WILSON SECURITIES LIMITED | Private company limited by shares | Live |
| WINCHESTER SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Winco Securities Company Limited | Private company limited by shares | Live |
| WIN WIND SECURITIES LIMITED | Private company limited by shares | Live |
| WINDSOR SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WINFUL CYBER SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WINFULL SECURITIES LIMITED | Private company limited by shares | Live |
| WING FAT SECURITIES LIMITED | Private company limited by shares | Live |
| WING YEE SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| WING LAI SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING ON SECURITIES LIMITED | Private company limited by shares | Live |
| WING TAK SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WING ON PROPERTIES AND SECURITIES COMPANY LIMITED -THE- | Private company limited by shares | Live |
| WINLY SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WINNING SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| WINTECH SECURITIES LIMITED | Private company limited by shares | Live |
| WINTONE SECURITIES LIMITED | Private company limited by shares | Live |
| WISENET SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WOGEN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WIN WONG SECURITIES LIMITED | Private company limited by shares | Live |
| HING WONG SECURITIES LIMITED | Private company limited by shares | Live |
| JOHN & WONG SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| YING WONG SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WORLD SECURITIES & FINANCE CENTRE LIMITED | Private company limited by shares | Dissolved |
| World Securities Management Group Co., Limited | Private company limited by shares | Live |
| PACIFIC WORLD SECURITIES (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITED WORLD SECURITIES (HK) LIMITED | Private company limited by shares | Live |
| UNITED WORLD SECURITIES (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| FIRST WORLDSEC SECURITIES LIMITED | Private company limited by shares | Live |
| WORLDTOP SECURITIES LIMITED | Private company limited by shares | Live |
| W.T.O. SECURITIES LIMITED | Private company limited by shares | Dissolved |
| XiaXin Securities (HK) Limited | Private company limited by shares | Live |
| Xing Fu Securities Limited | Private company limited by shares | Live |
| ZHEN XING SECURITIES INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HK XINGHENGTAI SECURITIES HS INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Xinyuan Securities Limited | | Live |
| XUANTIE INTERNATIONAL SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| YALE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| JUN YANG SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| YANHAO SECURITIES LIMITED | Private company limited by shares | Live |
| YARDLEY SECURITIES LIMITED | Private company limited by shares | Live |
| MAN HON YEUNG SECURITIES LIMITED | Private company limited by shares | Live |
| YICKO SECURITIES LIMITED | Private company limited by shares | Live |
| Yijialian Securities Limited | | Live |
| YING WAH SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| YING SHENG SECURITIES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YINGXIN SECURITIES CO., LIMITED | | Live |
| CHINA YINSHENG SECURITIES LIMITED | Private company limited by shares | Live |
| China Yinsheng Securities Limited | Private company limited by shares | Live |
| Yonghe Securities (Hong Kong) Limited | Private company limited by shares | Live |
| HK YongLi Securities Holding Investment Limited | Private company limited by shares | Live |
| YONXI Securities Limited | Private company limited by shares | Live |
| NEW YORK SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SHENG YUAN SECURITIES LIMITED | Private company limited by shares | Live |
| YUANYIN SECURITIES LIMITED | Private company limited by shares | Live |
| YUBO SECURITIES LIMITED | Private company limited by shares | Live |
| KA YUEN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Yues Securities Limited | | Live |
| Yunfeng Securities Limited | Private company limited by shares | Live |
| Yunrui Securities Limited | Private company limited by shares | Live |
| Zensfond Securities Limited | | Live |
| ZETA SECURITIES LIMITED | Private company limited by shares | Live |
| Zhengdao Securities Limited | Private company limited by shares | Live |
| Zhenguo Securities Limited | | Live |
| ZHONG AN SECURITIES LIMITED | Private company limited by shares | Live |
| Zhong Hai Securities Company Limited | | Live |
| Zhong Civilization Securities Transction Inc Limited | Private company limited by shares | Live |
| Zhong Hua Securities & Futures Limited | Private company limited by shares | Live |
| Zhong Yang Securities Limited | Private company limited by shares | Live |
| Zhongcai Securities Limited | Private company limited by shares | Live |
| ZHONGDA SECURITIES STOCK LIMITED | Private company limited by shares | Live |
| ZHONGHENG SECURITIES (HONGKONG) CO., LIMITED | | Live |
| ZHONGMING SECURITIES LIMITED | | Live |
| ZHONGRONG SECURITIES HK LIMITED | Private company limited by shares | Live |
| ZHONGRUIFU SECURITIES LIMITED | Private company limited by shares | Live |
| Zhongxin International Securities Co., Limited | | Live |
| ZHONGYI SECURITIES CO., LIMITED | Private company limited by shares | Live |
| ZONEFAIR SECURITIES LIMITED | Private company limited by shares | Dissolved |
| ZUNDIAO SECURITIES LIMITED | Private company limited by shares | Live |
| First Asset Securitization Limited | Private company limited by shares | Live |
| Securitize HK Limited | Private company limited by shares | Live |
| ODL Securitles Limited | Private company limited by shares | Dissolved |
| R. L. SECURITY LIMITED | Private company limited by shares | Dissolved |
| AIR SECURITY LIMITED | Private company limited by shares | Dissolved |
| CMF SECURITY LIMITED | Private company limited by shares | Dissolved |
| K. P. SECURITY COMPANY LIMITED | Private company limited by shares | Dissolved |
| LIK ON SECURITY LIMITED | Private company limited by shares | Live |
| HMA SECURITY LIMITED | Private company limited by shares | Dissolved |
| HOI ON SECURITY COMPANY LIMITED | Private company limited by shares | Live |
| CNT SECURITY COMPANY LIMITED | Private company limited by shares | Live |
| NAM TAI SECURITY COMPANY LIMITED | Private company limited by shares | Live |