| HONOUR SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| GREAT HONOUR SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HOPE & SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HORISUN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Horizon Securities Company Limited | Private company limited by shares | Live |
| BUCKLAND HOUSE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HuaGe Securities Limited | Private company limited by shares | Live |
| HUANG HE SECURITIES LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Jun-2015 |
| Huarong International Securities Limited | Private company limited by shares | Live |
| Huayao International Securities Co., Limited | Private company limited by shares | Live |
| Huaying Securities Limited | | Live |
| HUDSON SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HUGHENDEN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HUISHANG SECURITIES LIMITED | Private company limited by shares | Live |
| HUNING SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HUTCHISON (SECURITIES) LIMITED | Private company limited by shares | Dissolved |
| HYUNDAI SECURITIES (ASIA) LIMITED | Private company limited by shares | Live |
| ICBC (ASIA) SECURITIES LIMITED | Private company limited by shares | Live |
| ICBC INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| ICEA SECURITIES ASIA LIMITED | Private company limited by shares | Dissolved |
| iGoldenbeta Securities Company Limited | Private company limited by shares | Live |
| IKINALD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| IMPERIUM SECURITIES LIMITED | Private company limited by shares | Live |
| INCLUSION SECURITIES LIMITED | Private company limited by shares | Live |
| SOUTHERN SECURITIES INDUSTRIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| INFINITY SECURITIES LIMITED | Private company limited by shares | Live |
| RICH INFINITY SECURITIES LIMITED | Private company limited by shares | Live |
| INNOVAX SECURITIES LIMITED | Private company limited by shares | Live |
| Innovest Securities Investment Limited | Private company limited by shares | Live |
| HONG KONG SECURITIES INSTITUTE (CHINA) LIMITED | Private company limited by shares | Live |
| Hong Kong Securities and Investment Institute | Company limited by guarantee | Live |
| SECURITIES INSTITUTE OF HONG KONG, LIMITED -THE- | Private company limited by shares | Live Commenced dormancy on 05-Mar-1999 |
| Integrated Securities Limited | Private company limited by shares | Live |
| INTEGRITY SECURITIES LIMITED | Private company limited by shares | Live |
| INTERCALL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| INTERCHINA SECURITIES LIMITED | Private company limited by shares | Live |
| INTERCHINA SECURITIES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| INTERCONTINENT SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| CEF SECURITIES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HOI ON INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| AIP INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| CCB INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| CMB International Securities Limited | Private company limited by shares | Live |
| Sun International Securities Limited | Private company limited by shares | Live |
| AIU International Securities Limited | Private company limited by shares | Live |
| International Securities Limited | Private company limited by shares | Live |
| CIB International Securities Limited | Private company limited by shares | Live |
| BEP International Securities Limited | Private company limited by shares | Live |
| JY International Securities Limited | Private company limited by shares | Live |
| ODD INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| SG SECURITIES ASIA INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| Austin International Securities Limited | Private company limited by shares | Live |
| BOCOM International Securities Limited | Private company limited by shares | Live |
| BOSC International Securities Limited | Private company limited by shares | Live |
| Bright Point International Securities Limited | Private company limited by shares | Live |
| BRIGHT SMART SECURITIES INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| C.A. INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CELESTIAL (INTERNATIONAL) SECURITIES & INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Central International Securities Limited | | Live |
| CHINA SECURITIES (INTERNATIONAL) LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Jan-2011 |
| China International Securities Limited | Private company limited by shares | Live |
| China Securities (International) Brokerage Company Limited | Private company limited by shares | Live |
| CHINA INTERNATIONAL CAPITAL SECURITIES LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL SECURITIES GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| China Securities (International) Corporate Finance Company Limited | Private company limited by shares | Live |
| CHINA EVERBRIGHT SECURITIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| China Securities (International) Finance Company Limited | Private company limited by shares | Live |
| China Securities (International) Finance Holding Company Limited | Private company limited by shares | Live |
| CHINA GALAXY SECURITIES (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| China Harbour International Securities Limited | | Live |
| China International Securities (Hongkong) Limited | Private company limited by shares | Live |
| China Investment Securities International FX Limited | Private company limited by shares | Live Commenced dormancy on 07-Jun-2016 |
| China Securities (International) Investment Company Limited | Private company limited by shares | Live |
| China Investment Securities International Brokerage Limited | Private company limited by shares | Live |
| China Investment Securities International Capital Limited | Private company limited by shares | Live |
| China Investment Securities International Finance Limited | Private company limited by shares | Live |
| China Investment Securities International Research Limited | Private company limited by shares | Live Commenced dormancy on 07-Jun-2016 |
| CHINA MINSHENG INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CHINA-HK INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CINDA INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| CMBC International Securities Limited | Private company limited by shares | Live |
| CMBC INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Live |
| Securities International Digital Assets Co., Limited | Private company limited by shares | Live |
| China's Capital (International) Securities Co., Limited | Private company limited by shares | Live |
| HGNH International Securities Co., Limited | Private company limited by shares | Live |
| Taige International Securities Co., Limited | Private company limited by shares | Live |
| Zhongjin International Securities Co., Limited | Private company limited by shares | Live |
| Zhongjin International Securities Co., Limited | | Live |
| Coast International Securities Limited | Private company limited by shares | Live |
| INTERNATIONAL SECURITIES CONSULTANCY LIMITED -THE- | Private company limited by shares | Live |
| C.P. SECURITIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SOUTHWEST SECURITIES INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| DINGXIN SECURITIES INTERNATIONAL LIMITED | | Live |
| Eastmoney International Securities Limited | Private company limited by shares | Live |
| CV Securities (International) Financial Holdings Company Limited | Private company limited by shares | Live |
| SHANXI SECURITIES INTERNATIONAL FINANCIAL HOLDINGS LIMITED | Private company limited by shares | Live |
| ORIENT SECURITIES INTERNATIONAL FINANCIAL GROUP LIMITED | Private company limited by shares | Live |
| Futu Securities International (HONG KONG) Limited | Private company limited by shares | Live |
| China Investment Securities International Futures Limited | Private company limited by shares | Live |
| GANUN INTERNATIONAL SECURITIES LIMITED | Private company limited by shares | Dissolved |