| SMART SECURITIES & COMMODITIES GROUP LIMITED | Private company limited by shares | Live |
| COMMODITY SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SECURITIES COMMUNICATION (HONGKONG) LIMITED | Private company limited by shares | Live |
| COMPASS SECURITIES LIMITED | Private company limited by shares | Live |
| CONCORD SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| Conduit Securities (HK) Limited | Private company limited by shares | Live |
| CONNAUGHT SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CONSORT SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONSTANCE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SECURITIES AUTOMATION CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| KEY CONSULTANTS SECURITIES AND INVESTMENTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL PACIFIC SECURITIES CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| HK Fudan Securities Investment Consulting Limited | | Live |
| MASON SECURITIES INVESTMENT CONSULTING LIMITED | Private company limited by shares | Live |
| JPMorgan Chase Securities Consulting Limited | | Live |
| CORAL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CORE PACIFIC-YAMAICHI SECURITIES (H.K.) LIMITED | Private company limited by shares | Ceased to exist as a separate entity |
| CORNERSTONE SECURITIES LIMITED | Private company limited by shares | Live |
| Cornet Securities Limited | Private company limited by shares | Live |
| CORNMARKET SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CORPLEX SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Asia Securities & Corporate Limited | Private company limited by shares | Live |
| FACT SECURITIES CORPORATE LIMITED | Private company limited by shares | Live |
| Equity Management Corporation Securities (Asia) Limited | Private company limited by shares | Live |
| CORRINGTON SECURITIES & INVESTMENT LIMITED | Private company limited by shares | Live |
| CORYO SECURITIES ASIA LIMITED | Private company limited by shares | Dissolved |
| Wisdom Cosmic Securities Limited | | Live |
| COTSWOLD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| COURCHEVEL SECURITIES LIMITED | Private company limited by shares | Dissolved |
| C.P.C. SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CRAWFORD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| Credit Securities Limited | Private company limited by shares | Live |
| ASIAN EUROPEAN SECURITIES & INVESTMENTS ( CREDIT LYONNAIS ) LIMITED | Private company limited by shares | Dissolved |
| GLOBAL CREDIT SECURITIES LIMITED | Private company limited by shares | Live |
| GLOBAL CREDIT SECURITIES (NOMINEES) LIMITED | Private company limited by shares | Dissolved |
| GLOBAL CREDIT SECURITIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| Credit Suisse Securities (Hong Kong) Limited | Private company limited by shares | Live |
| UNIVERSAL CREDIT & SECURITIES LIMITED | Private company limited by shares | Live |
| CREGMALIN SECURITIES LIMITED | Private company limited by shares | Live |
| JS CRESVALE SECURITIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Crosby Securities Limited | Private company limited by shares | Live |
| CROWDER SECURITIES LIMITED | Private company limited by shares | Live |
| CROY SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CHINA DACHAOSHAN SECURITIES SHARES LIMITED | Private company limited by shares | Live |
| DAI-ICHI SECURITIES PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Daishin Securities Asia Limited | Private company limited by shares | Live |
| DAIWA SECURITIES SMBC (ASIA) LIMITED | Private company limited by shares | Dissolved |
| DAIWA SECURITIES SMBC FUTURES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| DAKIN SECURITIES LIMITED | Private company limited by shares | Live |
| Century Dakin Securities Limited | Private company limited by shares | Live |
| DANEGUILD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DANZIG SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DAREWIN SECURITIES LIMITED | Private company limited by shares | Live |
| DARLINGTON SECURITIES LIMITED | Private company limited by shares | Live |
| Hong Kong Dashengtong Securities Limited | | Live |
| DASHIN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DAVOS SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DELTA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SUN DELTA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DERBY SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| DERWENT SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DEUTSCHE SECURITIES ASIA LIMITED | Private company limited by shares | Live |
| BAOTON ENTERPRISE LISTED AND SECURITIES DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOLD SANDS SECURITIES GLOBAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOUNT SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIANAVILLE SECURITIES LIMITED | Private company limited by shares | Live |
| Differ Financial and Securities Limited | Private company limited by shares | Live |
| Dinghe Securities Limited | | Live |
| Dingxin (Securities) Limited | Private company limited by shares | Live |
| MIGHTY DIVINE SECURITIES LIMITED | Private company limited by shares | Live |
| D.J. SECURITIES LIMITED | Private company limited by shares | Live |
| DOLLAR SECURITIES LIMITED | Private company limited by shares | Dissolved |
| RBC DOMINION SECURITIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| DONALDSON, LUFKIN & JENRETTE ASIA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DONG YOU SECURITIES LIMITED | | Live |
| DONGSUH SECURITIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Dongtou Securities (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Dongxing Securities (Hong Kong) Finance Company Limited | Private company limited by shares | Live |
| Dongxing Securities (Hong Kong) Company Limited | Private company limited by shares | Live |
| DOWELL SECURITIES (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| DRAGON SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DRAGON SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DRAGONS SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DRESDNER KLEINWORT SECURITIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Dresdner Kleinwort Securities (Asia) Holdings Limited | Private company limited by shares | Dissolved |
| DRUIDSMERE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DUNKONG SECURITIES LIMITED | Private company limited by shares | Live |
| DUNMOW SECURITIES LIMITED | Private company limited by shares | Dissolved |
| DYNASTY SECURITIES LIMITED | Private company limited by shares | Dissolved |
| CHINA EAGLE SECURITIES (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAIR EAGLE SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| EARNEST SECURITIES LIMITED | Private company limited by shares | Dissolved |
| FAR EAST SECURITIES LIMITED | Private company limited by shares | Dissolved |
| FAR EAST SECURITIES LIMITED | Private company limited by shares | Dissolved |
| EAST ASIA SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| EUROPEAN SECURITIES FAR EAST LIMITED | Private company limited by shares | Live |
| East Links Securities Co. Limited | Private company limited by shares | Live |
| EASTBRIDGE SECURITIES LIMITED | Private company limited by shares | Live |
| EASTERN SECURITIES COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Easton Securities Limited | Private company limited by shares | Live |