| SINCERE GOLD PROPERTIES LIMITED | Private company limited by shares | Live |
| Siyuan Industrial Co., Limited | Private company limited by shares | Live |
| SINO METAL INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| YAT SING SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino-Turk HK Technology Limited | Private company limited by shares | Live |
| Fung Sing Seafood Wholesale Limited | Private company limited by shares | Live |
| ShenZhen HuaYao Silicone Co., Limited | Private company limited by shares | Live |
| SIDY JEWELRY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINO NEW ECONOMIC INDUSTRY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO FORTUNE HOLDING GROUP LIMITED | Private company limited by shares | Live |
| PAK SING DYNASTY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Sing Hill Limited | Private company limited by shares | Live |
| OL SINGER PRODUCTIONS HK LIMITED | Private company limited by shares | Live |
| SICHUAN TIANZIWEI FOOD LIMITED | Private company limited by shares | Live |
| SINO BROTHERS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SIGMA GI (ASIA) LIMITED | Private company limited by shares | Live |
| FUNG SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SUNNY SINO TRADING LIMITED | Private company limited by shares | Live |
| SINO GLOBAL PARTNERS LIMITED | Private company limited by shares | Live |
| SINO SEA TRADING LIMITED | Private company limited by shares | Live |
| Hong Kong SiMiao Group Co., Limited | Private company limited by shares | Live |
| SINO FORTUNE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SifoDyas Limited | Private company limited by shares | Dissolved |
| SINO WEALTH MANAGEMENT CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| SINO VIEW TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SICHUAN KOZO CORDYCEPS WINE CO., LIMITED | Private company limited by shares | Live |
| SUN SING MEDICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SING YU (HK) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SIQMA LIMITED | Private company limited by shares | Live |
| SINO KING BUSINESS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO IMP & EXP CO., LIMITED | Private company limited by shares | Live |
| SINO PROFESSIONAL LIMITED | Private company limited by shares | Live |
| Sino Private Group Limited | Private company limited by shares | Live |
| CHIU SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO FOCUS CONSULTANTS LIMITED | Private company limited by shares | Live |
| HongKong Simple Vsky Technology Co., Limited | Private company limited by shares | Live |
| CENTURY SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO TIME INC LIMITED | Private company limited by shares | Live |
| SILVER LUCK SHIPPING LIMITED | Private company limited by shares | Live |
| SILVER WAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| ANXING SILICON INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| Siam Air Transport Co., Limited | Private company limited by shares | Live |
| SINCERE H.K ELECTRONIC TECHONOLOGY CO LIMITED | Private company limited by shares | Live |
| LOLLI SIMONE CO LIMITED | Private company limited by shares | Live |
| HK Sino Joy International Investments Limited | Private company limited by shares | Live |
| YUK SING INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| YAT SING PROPERTIES LIMITED | Private company limited by shares | Live |
| Wave Silver Limited | Private company limited by shares | Live |
| SINGLIWORLD HK PTE LIMITED | Private company limited by shares | Live |
| WAI LIK SING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Chung Sing Electrical Co. Limited | Private company limited by shares | Live |
| SINO TRUCK AND EQUIPMENT LIMITED | Private company limited by shares | Live |
| Singleton Group Limited | Private company limited by shares | Live |
| SIMPTEX ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO METAL GROUP CO., LIMITED | Private company limited by shares | Live |
| Sinori Capital Limited | Private company limited by shares | Live |
| NG SING HO MEMORIAL LIMITED | Private company limited by shares | Live |
| TOPPING SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| WELL SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MING SING HONG PROPERTIES LIMITED | Private company limited by shares | Live |
| SWIFT SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIMPLE GAME GLOBAL LIMITED | Private company limited by shares | Live |
| UNITED SINO ENTERPRISES INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOFIRM MANAGEMENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SILI INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG FU SING GROUP LIMITED | Private company limited by shares | Live |
| SIGNAL 8 EYEWEAR LIMITED | Private company limited by shares | Live |
| SINO GALAXY INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOSTORE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Simple Holiday Travel Limited | Private company limited by shares | Live |
| PENSIONS SIMPLIFIED LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SING YAM COMPANY LIMITED | Private company limited by shares | Live |
| SUNFAITH SILICON (HK) LIMITED | Private company limited by shares | Live |
| SiTune Limited | Private company limited by shares | Live |
| SINO SUPER LIMITED | Private company limited by shares | Live |
| SiderBlue Inc Limited | Private company limited by shares | Live |
| SILVEREX INVESTMENT LIMITED | Private company limited by shares | Live |
| SING TO ENGINEERING LIMITED | Private company limited by shares | Live |
| Simple Solutions Limited | Private company limited by shares | Live |
| BRIGHT SINO INC LIMITED | Private company limited by shares | Live |
| SINOS AUTOMATION (HK) CO., LIMITED | Private company limited by shares | Live |
| Sinomedia Group Limited | Private company limited by shares | Live |
| SINO SPECIAL FARMING JOINT CENTER LIMITED | Private company limited by shares | Live |
| ASIA SINO INC LIMITED | Private company limited by shares | Live |
| SINO AMERICA RESOURCE LIMITED | Private company limited by shares | Live |
| SIXCORP LIMITED | Private company limited by shares | Live |
| Simmer Pot Holding Company Limited | Private company limited by shares | Live |
| Sing Hao Engineering Limited | Private company limited by shares | Live |
| SIKYEE INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sixth Day Group Limited | Private company limited by shares | Live |
| MING SING HONG PROPERTIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Asia Kitchenware Engineering Limited | Private company limited by shares | Live |
| SINGH WELFARE LIMITED | Company limited by guarantee | Live |
| HK SILANDESIGN INT'L LIMITED | Private company limited by shares | Live |
| SINO SMART INC LIMITED | Private company limited by shares | Live |
| Sindo Technology Co., Limited | Private company limited by shares | Live |
| SINO GOLDEN SUCCESS CORPORATION LIMITED | Private company limited by shares | Live |
| YIU SING DEVELOP LIMITED | Private company limited by shares | Live |
| Sing Yun Investment Limited | Private company limited by shares | Live |