| ORIENT SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| NEW SINO (H.K.) LIMITED | Private company limited by shares | Live |
| WAI SING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINOUX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SIMPLY FUN LIMITED | Private company limited by shares | Live |
| SINOPARTS AND VEHICLES INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SILVER LAKE COMPANY LIMITED | Private company limited by shares | Live |
| SINO ROYAL TRADING LIMITED | Private company limited by shares | Live |
| SINO-SOURCES AND GLOBAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SiCare Service Limited | Private company limited by shares | Live |
| Sicily Limited | Private company limited by shares | Live |
| Simple Lifestyle Limited | Private company limited by shares | Live |
| SINCERE TRADING INDUSTRY LIMITED | Private company limited by shares | Live |
| HONGKONG YAOWANG SUN SIMIAO PHARMACEUTICAL LIMITED | Private company limited by shares | Live |
| SIGNCOMPLEX LIMITED | Private company limited by shares | Live |
| SIGI INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| HAPPY LITTLE SINGERS LIMITED | Private company limited by shares | Live |
| HK Singularity Intelligent Education Limited | Private company limited by shares | Live |
| HK Silicon Technology Co., Limited | Private company limited by shares | Live |
| Singdo Trade Co., Limited | Private company limited by shares | Live |
| Singularity Power (Hong Kong) Company Limited | Private company limited by shares | Live |
| Sino Green in Hong Kong Limited | Company limited by guarantee | Live |
| Sino Xin Feng Limited | Private company limited by shares | Live |
| Sino Xin Jun Limited | Private company limited by shares | Live |
| Sino Xin Ji Limited | Private company limited by shares | Live |
| Sino Xin Ye Limited | Private company limited by shares | Live |
| Sichuan Xin Xiyi (HK) Co., Limited | Private company limited by shares | Live |
| SINO MARVEL INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Xin Qi Limited | Private company limited by shares | Live |
| Sino Xin Yuan Limited | Private company limited by shares | Live |
| Sino Xin Can Limited | Private company limited by shares | Live |
| Sino Xin De Limited | Private company limited by shares | Live |
| Sino Xin Hua Limited | Private company limited by shares | Live |
| SINO-HK SWAP LIMITED | Private company limited by shares | Live |
| Pure Sieving (HK) Limited | Private company limited by shares | Live |
| Sierra Capital Limited | Private company limited by shares | Live |
| ONE SIXTH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO GLOBAL CAPITAL LIMITED | Private company limited by shares | Live |
| MANLOONG GOLD & SILVER CO. LIMITED | Private company limited by shares | Live |
| Sino Scientific Innovation Corporation Limited | Private company limited by shares | Live |
| HK SIPIMO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sino Care Limited | Company limited by guarantee | Live |
| PACIFIC SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DILIGENT SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Don Sing Transportation Logistic Limited | Private company limited by shares | Live |
| Sincere Properties Group Limited | Private company limited by shares | Live |
| SINOMUSE LIMITED | Private company limited by shares | Live |
| Singh Exchange Limited | Private company limited by shares | Live |
| SILVER FAST ENTERPRISE LIMITED | Private company limited by shares | Live |
| Sino Pacific Corporate Solution Limited | Private company limited by shares | Live |
| Sigent Technology (Hong Kong) Limited | Private company limited by shares | Live |
| SINO NICE ENTERPRISE LIMITED | Private company limited by shares | Live |
| Silkroad International Industrial Limited | Private company limited by shares | Live |
| HONGKONG SIFENGTANG CO., LIMITED | Private company limited by shares | Live |
| SICHUAN & CHONGQING (H.K.) TOWNSMEN ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live |
| Sin-Co Timepiece Co., Limited | Private company limited by shares | Live |
| SINO MOLD GROUP LIMITED | Private company limited by shares | Live |
| GOAL SINO LIMITED | Private company limited by shares | Live |
| SINO WAY LIMITED | Private company limited by shares | Live |
| HONG KONG BEAUTY SINNY CLOTHING LIMITED | Private company limited by shares | Live |
| SIKO TRADING LIMITED | Private company limited by shares | Live |
| Sinotech Ceramics Co ., Limited | Private company limited by shares | Live |
| SIGMA TECHNIK LIMITED | Private company limited by shares | Live |
| SINO UNIQUE LIMITED | Private company limited by shares | Live |
| TEA SIXTY LIMITED | Private company limited by shares | Live |
| SINO EXPRESS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINGLE MINDED CATERERS LIMITED | Private company limited by shares | Live |
| SILVER BEST LIMITED | Private company limited by shares | Live |
| Sincerity Care Company Limited | Private company limited by shares | Live |
| SINO BEST CORPORATION LIMITED | Private company limited by shares | Live |
| Fook Sing Transportation Limited | Private company limited by shares | Live |
| SIBEIDA TRADE LIMITED | Private company limited by shares | Live |
| BLOCK SIXTEEN LIMITED | Private company limited by shares | Live |
| Sino Top Technology Company Limited | Private company limited by shares | Live |
| ASIA SINO FAITH LIMITED | Private company limited by shares | Live |
| Sino Korea beauty industry Limited | Private company limited by shares | Live |
| Sinbong Electronics Co., Limited | Private company limited by shares | Live |
| HK Siyuan International Trade Co., Limited | Private company limited by shares | Live |
| SINO ORIENTEX COMPANY LIMITED | Private company limited by shares | Live |
| SINO HOPE TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| Sideshow Kuts Company Limited | Private company limited by shares | Live |
| SINO MAX LIMITED | Private company limited by shares | Live |
| RIGHT SINO TRADING LIMITED | Private company limited by shares | Live |
| SINO WORLD HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| Silentmode Limited | Private company limited by shares | Live |
| SINO UNITEX LIMITED | Private company limited by shares | Live |
| SINO VIEW (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINGAPOP LIMITED | Private company limited by shares | Live |
| SINO MIND TRADING LIMITED | Private company limited by shares | Live |
| SingularDTV Hongkong Limited | Private company limited by shares | Live |
| SINO EURO INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Hoi Sing Construction Engineering Company Limited | Private company limited by shares | Live |
| CASIC SilkRoad Fund Company Limited | Private company limited by shares | Live |
| AVIC SilkRoad Fund Company Limited | Private company limited by shares | Live |
| SING YU ELECTRICAL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| HK SINYE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINCERE GOLD CAPITAL LIMITED | Private company limited by shares | Live |
| Sino Elite Business Management Limited | Private company limited by shares | Live |
| SINO-HELLENIC CULTURE MEDIA CO., LIMITED | Private company limited by shares | Live |
| FIRST SIGHT LIMITED | Private company limited by shares | Live |