| HK SIXIANGYUAN GROUP LIMITED | Private company limited by shares | Live |
| Silicon Motion Technology (Hong Kong) Limited | Private company limited by shares | Live |
| SINO MYRAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ORIENT SINO LIMITED | Private company limited by shares | Live |
| COSMIC SINO LIMITED | Private company limited by shares | Live |
| Sino Financial leasing Co., Limited | Private company limited by shares | Live |
| Sino Industry Imp.& Exp. Co., Limited | Private company limited by shares | Live |
| AMERICA SINO (HK) TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| YAU SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOPLAN INTERNATIONAL EXHIBITION CONSULTING (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINO-FIXING FASTENER MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SIYISI TRADE CO., LIMITED | Private company limited by shares | Live |
| SILVER CHANNEL ENTERPRISES LIMITED | Private company limited by shares | Live |
| SICHUAN LESHAN JUFENG MECHANICAL & ELECTRICAL LIMITED | Private company limited by shares | Live |
| SINO-PEAK TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| SILVER RISE(ASIA) LIMITED | Private company limited by shares | Live |
| SINO HOPE COMPANY LIMITED | Private company limited by shares | Live |
| SINO GRAND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SIBO LIMITED | Private company limited by shares | Live |
| Sior Furniture Co., Limited | Private company limited by shares | Live |
| SINO - ALLIANCE CORPORATE LIMITED | Private company limited by shares | Live |
| HONGKONG SIXIN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINOMEN INVESTMENT LIMITED | Private company limited by shares | Live |
| SINGH INT CO., LIMITED | Private company limited by shares | Live |
| SINOY METAL LIMITED | Private company limited by shares | Live |
| Sinto Electronic Technology Co., Limited | Private company limited by shares | Live |
| SINO CROP SCIENCE CORP LIMITED | Private company limited by shares | Live |
| Sino Wellness & Technology Co., Limited | Private company limited by shares | Live |
| SINO STAR TRADING DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Sino-Hongkong Dragon Investment Holdings Limited | Private company limited by shares | Live |
| Da Sing Construction & Engineering Co., Limited | Private company limited by shares | Live |
| SINOTEC (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINOSOFT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| AO SING LIMITED | Private company limited by shares | Live |
| Sigowill Bio Meditech Limited | Private company limited by shares | Live |
| CHINA SIYUAN INT'L INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO AUTO SPARE PARTS LIMITED | Private company limited by shares | Live |
| Lex Sigma Limited | Private company limited by shares | Live |
| Sino Australia Capital Consulting Company Limited | Private company limited by shares | Live |
| Silicon Valley China Limited | Private company limited by shares | Dissolved |
| WUI SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO WINWELL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Sinoscaff (Engineering) Limited | Private company limited by shares | Dissolved |
| SINO BEST TRADING (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Fashion International Co., Limited | Private company limited by shares | Live |
| Sissee Limited | Private company limited by shares | Dissolved |
| SINO GUO XUE YUAN UNIVERSITY GROUP LIMITED | Private company limited by shares | Live |
| SINO PRESTIGE INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SIKETE GROUP LIMITED | Private company limited by shares | Live |
| SINO COMPONENTS CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SICHUAN COMMERCIAL ASSOCIATION LIMITED | Private company limited by shares | Live |
| SINO POWER CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| TOP SILICONE HK LIMITED | Private company limited by shares | Live |
| SINO DILIGENT LIMITED | Private company limited by shares | Live |
| SIXIANG GROUP CO., LIMITED | Private company limited by shares | Live |
| SINO WORLD INVESTMENTS LIMITED | Private company limited by shares | Live |
| SILVERSTAR INVESTMENTS HOLDING LIMITED | Private company limited by shares | Live |
| SINO RELIANCE FAR EAST LIMITED | Private company limited by shares | Live |
| SICHUAN SUN INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SIMBA EVENTS LIMITED | Private company limited by shares | Live |
| SINO OILTOOLS INT'L LIMITED | Private company limited by shares | Dissolved |
| BELIZE SINO CITY INVESTMENT LIMITED | Private company limited by shares | Live |
| HK SILIER TECH LIMITED | Private company limited by shares | Live |
| SINO COOKIO PROTECTION EQUIPMENTS CO., LIMITED | Private company limited by shares | Live |
| SIMPLY BEAUTY LIMITED | Private company limited by shares | Dissolved |
| SINO JOY NETWORK TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Sino-Med Trade Limited | Private company limited by shares | Live |
| SICAELO GROUP CO., LIMITED | Private company limited by shares | Live |
| Sinceyouth Electronics Technology Limited | Private company limited by shares | Live |
| HONG KONG SINOHUGE GROUP LIMITED | Private company limited by shares | Live |
| Sinohydro (Hong Kong) Holding Limited | Private company limited by shares | Live |
| SIEG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMPEX.RA LIMITED | Private company limited by shares | Live |
| SINCO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AFK SISTEMA LIMITED | Private company limited by shares | Live |
| FUNG SING INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO CHANNEL CORPORATION LIMITED | Private company limited by shares | Live |
| SINO LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| SILVER ARC PTY LIMITED -THE- | Private company limited by shares | Live |
| Wah Sing Button Corporation Limited | Private company limited by shares | Live |
| Sino Splendor Corporation Limited | Private company limited by shares | Live |
| SINCDH (HK) INTERNATIONAL ENTERPRISE GROUP INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINOSPRING (HONG KONG) INTERNATIONAL BEVERAGES COMPANY LIMITED | Private company limited by shares | Live |
| NEW SIGHT EYE CARE LIMITED | Company limited by guarantee | Live |
| SINO E&M (HK) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SIGSENSOR MICROSYSTEM CO., LIMITED | Private company limited by shares | Live |
| Sinoallbest Co., Limited | Private company limited by shares | Live |
| SINCO TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| FAR SIGHT DIGITAL LIMITED | Private company limited by shares | Live |
| Sky silicone industrial Co., Limited | Private company limited by shares | Live |
| SINO PACIFIC (H.K.) LIMITED | Private company limited by shares | Live |
| SINO ROCK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINICONE LIMITED | Private company limited by shares | Live |
| SINO POTASSA LIMITED | Private company limited by shares | Live |
| SINO STONEGO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO HEALTHCARE LIMITED | Private company limited by shares | Live |
| Signature-Search (HK) Limited | Private company limited by shares | Dissolved |
| SINCERE PRO LIMITED | Private company limited by shares | Live |
| SINO FAR IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| HK SILITE FOODS (GROUP) LIMITED | Private company limited by shares | Live |