| SKY SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST INTERNATIONAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| KIN SING MATERIAL LIMITED | Private company limited by shares | Live |
| CENTURY SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sintron-Polymec (Hong Kong) Limited | Private company limited by shares | Live |
| SINO CENTURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO HUGE LIMITED | Private company limited by shares | Live |
| SINOBIOWAY (HOLDINGS) LIMITED | Private company limited by shares | Live |
| SINOTRANSCEND INDUSTRY LIMITED | Private company limited by shares | Live |
| SINO HARVEST PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| GRAND SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| International Sinotec Trading Limited | Private company limited by shares | Live |
| SINOBASE ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOTRONG INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK SINLIDA TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| LIUYANG SINO FIREWORKS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO RICHGAIN LIMITED | Private company limited by shares | Live |
| SINO DRAGON (ASIA) LIMITED | Private company limited by shares | Live |
| SING FUNG GREEN TECHNOLOGIES GROUPS LIMITED | Private company limited by shares | Live |
| SINO EMPIRE (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sinodus International Holding Co., Limited | Private company limited by shares | Live |
| Sino Peace Strategy Limited | Private company limited by shares | Live |
| WING SING INTERNATIONAL HK LIMITED | Private company limited by shares | Dissolved |
| SINO CHINA ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| SINDER INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON GROUP LIMITED | Private company limited by shares | Live |
| HANG SING CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG DAH SING ENTERTAINMENT CORP LIMITED | Private company limited by shares | Live |
| Outstanding Sino Technology Limited | Private company limited by shares | Live |
| SINO RESOURCE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| Sino International Consultancy Limited | Private company limited by shares | Live |
| TIN SING WAH NGAI COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOWAY CAPITAL LIMITED | Private company limited by shares | Live |
| SINGCITY GROUP (HK) LIMITED | Private company limited by shares | Live |
| SINOVOLS LIMITED | Private company limited by shares | Live |
| SINOBRIGHT IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| SINO CEPA LIMITED | Private company limited by shares | Dissolved |
| SINOBEST BROTHERS LIMITED | Private company limited by shares | Live |
| Sino Quality Consult Limited | Private company limited by shares | Dissolved |
| NINGBO SINOPOWER LIMITED | Private company limited by shares | Live |
| SINGAL LOGISTICS LIMITED | Private company limited by shares | Live |
| YUEN SING TRADING CO., LIMITED | Private company limited by shares | Live |
| ART SING DESIGN (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SOUTH SINO MINERAL RESOURCES LIMITED | Private company limited by shares | Live |
| CHRISTY & CO. SINCE 1983 LIMITED | Private company limited by shares | Dissolved |
| SINO SHING GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| Vita Sino Limited | Private company limited by shares | Live |
| Sino-Dutch Sustainable Ventures Limited | Private company limited by shares | Live |
| FAME SINO LIMITED | Private company limited by shares | Live |
| SINO QUEST INTERNATIONAL CO. LIMITED | Private company limited by shares | Live |
| Sino Studio (International) Limited | Private company limited by shares | Live |
| SINOTRANS & CSC SHIP TRADING CO., LIMITED | Private company limited by shares | Live |
| FIRST SINO CAPITAL (HK) LIMITED | Private company limited by shares | Live |
| SINTECH ECC LIMITED | Private company limited by shares | Dissolved |
| SING DAK SEON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Sino United Resources Capital Limited | Private company limited by shares | Dissolved |
| CRFG Sino Construction Investment Limited | Private company limited by shares | Live |
| Sino Intellect Technology Limited | Private company limited by shares | Live |
| SINO-EUROPE AMERICAN INTERNATIONAL TRADE SHARES LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN (CHINA) LIMITED | Private company limited by shares | Live |
| SINOCOM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SINO ULTIMATE GROUP LIMITED | Private company limited by shares | Live |
| Sino Export Corporation Limited | Private company limited by shares | Live |
| Sino Promise (Asia) Limited | Private company limited by shares | Live |
| Sino Petroleum Marine Limited | Private company limited by shares | Live |
| SinoGenes BioMedical Limited | Private company limited by shares | Dissolved |
| Sing Pao Media Network Technology (HK) Limited | Private company limited by shares | Live |
| WONG SING HONG KONG LIMITED | Private company limited by shares | Live |
| YUK SING CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| SING HOME POLYFOAM COMPANY LIMITED | Private company limited by shares | Live |
| Sino pacific Global Sourcing Limited | Private company limited by shares | Live |
| SINOHOUSE (CHINA) LIMITED | Private company limited by shares | Live |
| GERMANY HARDWARE SINGER INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SINCE 1967 LIMITED | Private company limited by shares | Live |
| SUNNY SINO INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| YORK SING LOGISTIC LIMITED | Private company limited by shares | Live |
| RI SING (HONG KONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| SINRIWA BUSINESS CO., LIMITED | Private company limited by shares | Live |
| NAN SING REALTY COMPANY LIMITED | Private company limited by shares | Live |
| Sino Gain Resources Corporation Limited | Private company limited by shares | Dissolved |
| SINGH AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOAGRO SCIENCE (CHINA) LIMITED | Private company limited by shares | Live |
| SINO MINING COMPANY LIMITED | Private company limited by shares | Live |
| SINO PROSPERITY (HK) SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-QUAM UNITED RESOURCES CO., LIMITED | Private company limited by shares | Live |
| Gang Sing Trading Limited | Private company limited by shares | Dissolved |
| Prosper Sino Group Limited | Private company limited by shares | Dissolved |
| Sinoseat Consulting Limited | Private company limited by shares | Live |
| SINO NANOTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Jun-2016 |
| SinoTrans(SZ) Limited | Private company limited by shares | Live |
| SINOLITE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINO BUSINESS LINKS LIMITED | Private company limited by shares | Live Ceased dormancy on 11-Oct-2013 |
| SINKI LIMITED | Private company limited by shares | Live |
| SINO PROGRESS LIMITED | Private company limited by shares | Dissolved |
| Sino-Trade Holding Group Limited | Private company limited by shares | Dissolved |
| MA SING ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINOSCAFF (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINCERE PROPERTY COMPANY LIMITED | Private company limited by shares | Live |
| SINOMAX ENTERPRISE CO., LIMITED | Private company limited by shares | Live |