| SILK ROAD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sinolink Wealth Management Limited | Private company limited by shares | Live |
| SING ON WELL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SimpleByte Limited | Private company limited by shares | Dissolved |
| Silverai Trading Company Limited | Private company limited by shares | Dissolved |
| SINO MASS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| H.K. YONGWANG SILICON INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO STRENGTH LIMITED | Private company limited by shares | Live |
| SINO EXPRESS TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO STEP TRADING LIMITED | Private company limited by shares | Live |
| CROWN SINO LIMITED | Private company limited by shares | Live |
| SINO DELUXE LIMITED | Private company limited by shares | Dissolved |
| SINO SKY INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO VENTURE (H.K.) LIMITED | Private company limited by shares | Live |
| SINOWIDE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SINOTEL LIMITED | Private company limited by shares | Dissolved |
| SINO LINK CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| SINGMI (CHINA) HOLDING LIMITED | Private company limited by shares | Live |
| SINO WEALTH ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINOTEX TRADING LIMITED | Private company limited by shares | Live |
| SINOAM ASSEMBLY & MANUFACTURING LIMITED | Private company limited by shares | Live |
| SINOSPEC ELECTRONICS LIMITED | Private company limited by shares | Live |
| SITA LIMITED | Private company limited by shares | Live |
| SINO RESOURCES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIP SING PROPERTIES LIMITED | Private company limited by shares | Live |
| SIMPLE DESIGN LIMITED | Private company limited by shares | Dissolved |
| ZHONGNONG INT'L CHEMICAL FERTILIZER IMPORT&EXPORT GROUP (SICHUAN) LIMITED | Private company limited by shares | Dissolved |
| SINO SMARTIE LIMITED | Private company limited by shares | Live |
| SINOWAY PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINO RISING INVESTMENT LIMITED | Private company limited by shares | Live |
| TOP SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TIME SILLER LIMITED | Private company limited by shares | Dissolved |
| SINO GRACE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINOTEC TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SINO VICTORY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO GATHERING (HK) COSMETICS GROUP LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINKER LIMITED | Private company limited by shares | Dissolved |
| SINO JOYOUS LIMITED | Private company limited by shares | Live |
| SINOTAT LIMITED | Private company limited by shares | Dissolved |
| SIMPLE LOGIC CONSULTANT LIMITED | Private company limited by shares | Live |
| KOREA SING FEI AH LOW FASHION LIMITED | Private company limited by shares | Dissolved |
| SILI (HK) MARKETING CONSULTANT CO., LIMITED | Private company limited by shares | Dissolved |
| Yip Sing Plastic Manufactory Limited | Private company limited by shares | Live |
| SIAM CANADIAN (ASIA) LIMITED | Private company limited by shares | Live |
| SIKKIA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SIRWAY LIMITED | Private company limited by shares | Dissolved |
| SING FAIR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO FAITH INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| SINO GRACE INVESTMENT LIMITED | Private company limited by shares | Live |
| FRANCE SIPA . LAFEI MANOR WINE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SIMTECH ELECTRIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINOMED INVESTMENT AND MANAGEMENT LIMITED | Private company limited by shares | Live |
| SICHUAN NOODLE (MONG KOK) LIMITED | Private company limited by shares | Live |
| SI-BRILLIANT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SING FOK ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Sino Wai Sofa Co. Limited | Private company limited by shares | Dissolved |
| Silverland (Hong Kong) Trading Limited | Private company limited by shares | Live |
| SIMPLY WIN LIMITED | Private company limited by shares | Dissolved |
| SILICON POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMIAN SOLUTIONS LIMITED | Private company limited by shares | Live |
| HOP SING INVESTMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| SINOTEK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINOTO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HO SING CHINA LIMITED | Private company limited by shares | Dissolved |
| SINO LUCK (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINONEED TEXTILES LIMITED | Private company limited by shares | Dissolved |
| WAH SING EQUIPMENTS COMPANY LIMITED | Private company limited by shares | Live |
| PACIFIC SIGHT LIMITED | Private company limited by shares | Live |
| SINO CREATE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SINO ISLAMIC FINANCE CENTRE COMPANY LIMITED | Private company limited by shares | Live |
| SINO PLAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO AIM LIMITED | Private company limited by shares | Live |
| SINO DRAGON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SILONE HK LIMITED | Private company limited by shares | Dissolved |
| SINO FALCON INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO ISLAMIC FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| SINO H.K. ISLAMIC FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| SINO ISLAMIC FINANCIAL INSTITUTION LIMITED | Private company limited by shares | Live |
| SINO OCEAN (HONG KONG) LIMITED | Private company limited by shares | Live |
| SIMPLE GROUP TRADE LIMITED | Private company limited by shares | Dissolved |
| SINO WISE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| EVER SINO LIMITED | Private company limited by shares | Live |
| FU SING ELECTRICAL ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| SIMON CHONG & RICKY WONG DESIGN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINO JOYOUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CAPITAL SIGN INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINTA LIMITED | Private company limited by shares | Live |
| SINO VENTURE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO GAS FINANCE LIMITED | Private company limited by shares | Live |
| Sinmag Holding Limited | Private company limited by shares | Dissolved |
| SINO EYEWORKS LIMITED | Private company limited by shares | Dissolved |
| SIGNAL HK LIMITED | Private company limited by shares | Live |
| SINODEC DEVELOPMENT LIMITED | Private company limited by shares | Live |
| YAU SING DAAT (H.K.) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SILVER STRATEGY LIMITED | Private company limited by shares | Live |
| SILVER SEA ASIA LIMITED | Private company limited by shares | Live |
| SINO GREENERGY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINODYNE LIMITED | Private company limited by shares | Live |