| SINCERE TRADING INDUSTRY 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 |
| 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 |
| 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 |
| SINO GLOBAL CAPITAL LIMITED | Private company limited by shares | Live |
| Sino Scientific Innovation Corporation 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 |
| Sino Pacific Corporate Solution Limited | Private company limited by shares | Live |
| SINO NICE ENTERPRISE 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 |
| Sinotech Ceramics Co ., Limited | Private company limited by shares | Live |
| SINO UNIQUE 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 |
| 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 |
| 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 |
| SINO ORIENTEX COMPANY LIMITED | Private company limited by shares | Live |
| SINO HOPE TRADING INVESTMENT 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 |
| 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 |
| 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 |
| SINWAN SKECHERS USA CO., LIMITED | Private company limited by shares | Live |
| SINO EXPLORER LIMITED | Private company limited by shares | Live |
| SINO EURO UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| Singwui Technology International Limited | Private company limited by shares | Live |
| Sino PharmaEngineering (HK) Co., Limited | Private company limited by shares | Live |
| HONGKONG SINGER SINGING MUSIC EDUCATION CO., LIMITED | Private company limited by shares | Live |
| SINUOEN CO., LIMITED | Private company limited by shares | Live |
| SINOWIDE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PACIFIC SINO (H.K.) LIMITED | Private company limited by shares | Live |
| SINO ASIA (H.K.) LIMITED | Private company limited by shares | Live |
| SKY SINO SHIPPING LIMITED | Private company limited by shares | Live |
| HONG KONG RICH SINO LIMITED | Private company limited by shares | Live |
| SINO RAY INC LIMITED | Private company limited by shares | Live |
| SINO NEW LIMITED | Private company limited by shares | Live |
| SINO-SHAN CONSTRUCTION INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO FAIR TRADING LIMITED | Private company limited by shares | Live |
| SING WAI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SinoPak Electric Investment Co., Limited | Private company limited by shares | Live |
| HO SING INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| PAK SING INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| FIRST SINO (ASIA) LIMITED | Private company limited by shares | Live |
| Sinoviag Creative Limited | Private company limited by shares | Live |
| MAX SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SING WONG GROUP LIMITED | Private company limited by shares | Live |
| SINOSKY GROUP LIMITED | Private company limited by shares | Live |
| VITAL SINO LIMITED | Private company limited by shares | Live |
| NEW SINO CAPITAL CO., LIMITED | Private company limited by shares | Live |
| SINCERE GOLD LIMITED | Private company limited by shares | Live |
| SINO FOX ARMOUR GROUP LIMITED | Private company limited by shares | Live |
| ETERNAL SINCERE FINANCE LIMITED | Private company limited by shares | Live |
| GREEN SINO TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| MIGHTY SINO LIMITED | Private company limited by shares | Live |
| Sino Resource & Energy Limited | Private company limited by shares | Live |
| SINO-COMM ASSET (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Sing Wan Trading Limited | Private company limited by shares | Live |
| SING TO HK LIMITED | Private company limited by shares | Live |
| SMART SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| EXCEL SINO CONSULTANTS LIMITED | Private company limited by shares | Live |
| ROYAL SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |