| SINO WORLD TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO OLD-AGED PEOPLE PROTECTION MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINANTE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DAI SING LIMITED | Private company limited by shares | Live |
| SINO ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| Sino-America International Networking Limited | Private company limited by shares | Live |
| SINCERE ORIENTAL TRADE LIMITED | Private company limited by shares | Live |
| SINOSTAR TRADING&CONSULTING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-PARTS CO., LIMITED | Private company limited by shares | Live |
| SHING SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO TOP TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO OCEAN CHARTERING COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Apr-2016 |
| WING SING GROUP LIMITED | Private company limited by shares | Live |
| SINGYU TRADING (HK) LIMITED | Private company limited by shares | Live |
| SINO ELITE INVESTMENT LIMITED | Private company limited by shares | Live |
| Sindao Lighting Technology Co., Limited | Private company limited by shares | Live |
| SINO-CHIYOU GLOBAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO LEASING GROUP COMPANY LIMITED | Private company limited by shares | Live |
| SINO PACIFIC FAR EAST LIMITED | Private company limited by shares | Live |
| SINO ASIA INTERNATIONAL MANAGEMENT CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO-AUSTRALIA REACH LIMITED | Private company limited by shares | Live |
| SINOSTORE GROUP LIMITED | Private company limited by shares | Live |
| SINO PRECISION LIMITED | Private company limited by shares | Live |
| Sino Creation Group Limited | Private company limited by shares | Live |
| SINO SHIPPING (HK) CO., LIMITED | Private company limited by shares | Live |
| WING SING (HK TRADE) COMPANY LIMITED | Private company limited by shares | Live |
| ALL SINO LIMITED | Private company limited by shares | Live |
| Sino-Apparel Co., Limited | Private company limited by shares | Live |
| WANG SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINOLIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Kami Sing Co., Limited | Private company limited by shares | Live |
| SINUODA TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO AFRICAN ASSOCIATION LIMITED | Private company limited by shares | Live |
| SINO HOPE TRADING LIMITED | Private company limited by shares | Live |
| SINO ASIA PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino-African Trade And Investment Holding Group Limited | Private company limited by shares | Live |
| PAK SING (HK) LIMITED | Private company limited by shares | Live |
| SINOWATCHER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SINO PROSPER FAITH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO MILLION INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Kwan Sing Enterprises Limited | Private company limited by shares | Live |
| Merit Industry Sino Limited | Private company limited by shares | Live |
| SINO METALLURGIC GROUP H.K. LIMITED | Private company limited by shares | Live |
| SINOGATE INVESTMENT LIMITED | Private company limited by shares | Live |
| SUPREME SINO LIMITED | Private company limited by shares | Live |
| SINOWIN (ASIA) LIMITED | Private company limited by shares | Live |
| SINO EAGLE LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICA INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| SINODE COMPANY LIMITED | Private company limited by shares | Live |
| WING SING ELECTRONICS HONGKONG LIMITED | Private company limited by shares | Live |
| SINO SUGAR (HK) INDUSTRIAL GROUP COMPANY LIMITED | Private company limited by shares | Live |
| PK Sino-Invest & Trading Co. Limited | Private company limited by shares | Live |
| SINOKAI INDUSTRY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO INTELLIGENCE TRADING LIMITED | Private company limited by shares | Live |
| OLA SINO-HK LOGISTICS LIMITED | Private company limited by shares | Live |
| NEW SINCERELY INTERNATIONAL CREATION CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN SINKO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HING SING ALUMINUM MOLD LIMITED | Private company limited by shares | Live |
| FUK PANG SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sinke Company Limited | Private company limited by shares | Dissolved |
| Sino Mining Resources International Limited | Private company limited by shares | Live |
| SINO LIGHT (ASIA) LIMITED | Private company limited by shares | Live |
| SINO BRIDGE LIMITED | Private company limited by shares | Live |
| SINDO GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOLION PACKAGE TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| HONG KONG SING MEI TUNG TRADING LIMITED | Private company limited by shares | Live |
| SINO CITY ASIA LIMITED | Private company limited by shares | Live |
| SINO BRIDGE INC LIMITED | Private company limited by shares | Live |
| SINGH SOLUTIONS LIMITED | Private company limited by shares | Live |
| GATHER SINCERE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO MAGNETICS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BIG LIMITED | Private company limited by shares | Live |
| SINO CROWN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| T. Singh Brother Hong Kong Limited | Private company limited by shares | Live |
| SING WANG CONSULTING LIMITED | Private company limited by shares | Live |
| SINO ENERGY TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOCEAN MARINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SingFest Limited | Company limited by guarantee | Live |
| EVER SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINOMAX INC. LIMITED | Private company limited by shares | Live |
| KWUN SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO NUCLEAR ENERGY LIMITED | Private company limited by shares | Dissolved |
| SINO MEGA INC LIMITED | Private company limited by shares | Live |
| HONG KONG SING KEE (1960) COMPANY LIMITED | Private company limited by shares | Live |
| Sincere Accessory Limited | Private company limited by shares | Live |
| SING YIP POLYBAG PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| Sino Lighting Industry Co., Limited | Private company limited by shares | Live |
| SING WAN CATERING LIMITED | Private company limited by shares | Live |
| YUK SING WATERPROOFING ENGINEERING LIMITED | Private company limited by shares | Live |
| HONGKONG SINIER INTERNATIONAL BEAUTY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Sino Africa Summit Investment Limited | Private company limited by shares | Live |
| Sino Medical Investment International Company Limited | Private company limited by shares | Live |
| SINO TOP TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO GOLD RESOURCES LIMITED | Private company limited by shares | Live |
| SINO WZH GROUP LIMITED | Private company limited by shares | Live |
| SINO SMART CORPORATE CONSULTING LIMITED | Private company limited by shares | Live |
| Sino-Myanmar International Group Limited | Private company limited by shares | Live |
| SINO TEAM LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WONG SING DA TRADING LIMITED | Private company limited by shares | Live |