| SINOMET MINING CO. LIMITED | Private company limited by shares | Dissolved |
| SILVER WISDOM LIMITED | Private company limited by shares | Live |
| SINO BEST CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO - US MEDICAL SPECIALTIES LIMITED | Private company limited by shares | Live |
| HONG SING DISPENSARY LIMITED | Private company limited by shares | Live |
| Sinolinks Resources Limited | Private company limited by shares | Live |
| HK SIJIFENG ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO GRANDEUR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Xiamen Sinolees International Trade Limited | Private company limited by shares | Dissolved |
| CENTRAL SILK LIMITED | Private company limited by shares | Live |
| SILVER GALAXY (PROPERTIES) LIMITED | Private company limited by shares | Live |
| SINGER INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Wang Sing Asia Company Limited | Private company limited by shares | Dissolved |
| SILVERWAY INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| ON SITE ASIA LIMITED | Private company limited by shares | Live |
| SIGNAL 8 LIMITED | Private company limited by shares | Live |
| Sino Tech International Trade Co., Limited | Private company limited by shares | Live |
| HUASHANG (SINO) INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO EUROPEAN BUSINESS AGENCY LIMITED | Private company limited by shares | Dissolved |
| SILVERPE DIGITAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIGEN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINCERE PROPERTY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SingBoom (H.K.) Technology Industrial Limited | Private company limited by shares | Live |
| WEALTHY SINO LIMITED | Private company limited by shares | Dissolved |
| SINO HILL LIMITED | Private company limited by shares | Dissolved |
| SINA LIB LIMITED | Private company limited by shares | Dissolved |
| SINO LUCK ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SING YUI INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SIHONG GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO LIFE CORPORATION LIMITED | Private company limited by shares | Live |
| SINGAL INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO NET SOLUTION LIMITED | Private company limited by shares | Dissolved |
| SING TAK LI WATCH LIMITED | Private company limited by shares | Dissolved |
| SINO EASTERN SHIPPING LIMITED | Private company limited by shares | Live |
| SINO SOURCE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINAM LIMITED | Private company limited by shares | Live |
| SIHER INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO QUALITY CONSULT LIMITED | Private company limited by shares | Dissolved |
| SINO LINKAGE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SPIRIT GROUP LIMITED | Private company limited by shares | Live |
| MERIT SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GERMANY SIBORUISHI LIGHT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SILVERSTEIJN RESEARCH LIMITED | Private company limited by shares | Dissolved |
| CHINA SIBEN EDUCATION ASSISTANCE COMPANY LIMITED | Company limited by guarantee | Live |
| SINO GAINER TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO ELECTRONIC&TELECOMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| SINOTEK INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| TOP SINCERE LIMITED | Private company limited by shares | Dissolved |
| SIETE INDUSTRY&TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SING FAI TRADING (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| SIKESPORTS LIMITED | Private company limited by shares | Live |
| SIYANLI (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SILK ROAD INCORPORATION LIMITED | Private company limited by shares | Live |
| SINO MOTORS TECH CO., LIMITED | Private company limited by shares | Live |
| SINO-SHANDONG PHARMA CO., LIMITED | Private company limited by shares | Live |
| GERMANY SIEMENS (ASIA) ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| Silverstein Asia Properties Limited | Private company limited by shares | Dissolved |
| SISTERS MARKETING SERVICES LIMITED | Private company limited by shares | Live |
| YING SING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HOI SING INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SILA TRAVEL & TRADING ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO-ENERGY-CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SINO HYDRAULIC DRIVES & TRANSMISSIONS LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SI-CHIP POWER TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| WUI SING MOLDING LIMITED | Private company limited by shares | Live |
| SINO FUND TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO MAP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO TECH PROPERTIES LIMITED | Private company limited by shares | Live |
| CONSTANT SILICON LIMITED | Private company limited by shares | Live |
| SINO STAR MINERALS LIMITED | Private company limited by shares | Live |
| SINO PAPER MACHINERY LIMITED | Private company limited by shares | Dissolved |
| SIGA ELECTRIC (HONGKONG) LIMITED | Private company limited by shares | Live |
| HANG SING ENTERPRISES (HOLDING) LIMITED | Private company limited by shares | Live |
| SINO SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINAGRO HK LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA SHIPPING LIMITED | Private company limited by shares | Live |
| SINGYUAN TECH SERVICE LIMITED | Private company limited by shares | Dissolved |
| SIMBA TRANSPORT EXHIBITION CO. LIMITED | Private company limited by shares | Live |
| SinoWealth Capital Limited | Private company limited by shares | Live |
| Sichuan Hydropower Development (HK) Limited | Private company limited by shares | Dissolved |
| Singcent Technology Limited | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL STUDIO CO. LIMITED | Private company limited by shares | Live |
| SILVERADO TECHNOLOGIES LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Mar-2015 |
| GREAT SINO CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO PROMOTION (H.K.) LIMITED | Private company limited by shares | Live |
| SILVERSTONE INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| Sino Glory International Investment Limited | Private company limited by shares | Live |
| SINKNA CO., LIMITED | Private company limited by shares | Dissolved |
| SINO UP LIMITED | Private company limited by shares | Live |
| Sino State Group Limited | Private company limited by shares | Live |
| SINO RESOURCES CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO WISH LIMITED | Private company limited by shares | Live |
| SINO TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| HONG KONG SINO SHADOW STUDIO LIMITED | Private company limited by shares | Dissolved |
| Ningxia Daxin Ferro Silicon Co., Limited | Private company limited by shares | Dissolved |
| Ningxia Dayang Silicon Industry Co., Limited | Private company limited by shares | Dissolved |
| SINO TRADE PROPERTIES LIMITED | Private company limited by shares | Live |
| SICHUAN CHUANLU PLASTIC PIPE INDUSTRY LIMITED | Private company limited by shares | Dissolved |