| SICHUAN DUOLIAN PLASTIC PIPE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SINO STONE AND TOOLS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| MAH SING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SINO LIFE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SINOTENG INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-MAPLE RESOURCES LIMITED | Private company limited by shares | Live |
| Sino-Milano Limited | Private company limited by shares | Live |
| SINOPOWER INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| Sisimae Limited | Private company limited by shares | Dissolved |
| SISCO INC. LIMITED | Private company limited by shares | Dissolved |
| Simandu Limited | Private company limited by shares | Live |
| SINO MALL LIMITED | Private company limited by shares | Live |
| SINO WINNING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SUPERB LIMITED | Private company limited by shares | Live |
| SILVER SPIRIT LIMITED | Private company limited by shares | Dissolved |
| Sinosia Investment Limited | Private company limited by shares | Live |
| SINO CHARTER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO REALITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SIGI MAIER INTERNATIONAL DESIGN LIMITED | Private company limited by shares | Dissolved |
| UPBRIGHT SINO HONG KONG LIMITED | Private company limited by shares | Dissolved |
| XYJ Silicone & Rubber Products Limited | Private company limited by shares | Live |
| SINO GRAND INDUSTRY LIMITED | Private company limited by shares | Live |
| SIMPLE HONEST LIMITED | Private company limited by shares | Live |
| SILVER SUCCESS ASIA LIMITED | Private company limited by shares | Live |
| SILVER LABEL LIMITED | Private company limited by shares | Live |
| SINCLAIR LIMITED | Private company limited by shares | Live |
| SINBADA CO., LIMITED | Private company limited by shares | Dissolved |
| SINO EQUIPMENT AND TRADING LIMITED | Private company limited by shares | Dissolved |
| Launch Sinter Technology Co., Limited | Private company limited by shares | Dissolved |
| SINO TRANSOCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| Hong Kong Simple Kgd Industrial Co., Limited | Private company limited by shares | Live |
| SIGLO HONG KONG LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Dec-2015 |
| SINO FORTUNE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| QINGDAO SINCERE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINOMA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINO WING TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SIILA LIMITED | Private company limited by shares | Dissolved |
| SINO GROUP TRADING LIMITED | Private company limited by shares | Dissolved |
| HANG SING SHOES COMPANY LIMITED | Private company limited by shares | Live |
| SINITRA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO GLOBAL LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG (FIRST SINO) SHIPPING LIMITED | Private company limited by shares | Dissolved |
| XIONGHUA SILICON TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| BIG SILVER LIMITED | Private company limited by shares | Live |
| Silverbridge International (HK) Co., Limited | Private company limited by shares | Live |
| Good Hope Singers Limited | Company limited by guarantee | Live |
| HONG KONG MAN WING SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO EAST MINERALS LIMITED | Private company limited by shares | Live |
| SINO INS (HONG KONG) INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SICHUAN SHUTONG GEOTECHNICAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| TUNG SING CHEUK NGAI TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO LEGEND INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO LEGEND ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO HARBOUR INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO KNIGHT LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| Sicolinx Limited | Private company limited by shares | Live |
| SINTEX WEALTH CREATION LIMITED | Private company limited by shares | Dissolved |
| SINSYA GROUP LIMITED | Private company limited by shares | Live |
| SINO VANTAGE INVESTMENT LIMITED | Private company limited by shares | Live |
| TAK SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Sino Insurance Brokers Limited | Private company limited by shares | Live |
| GUANGZHOU SIEMENS ELECTRICIAN GROUP LIMITED | Private company limited by shares | Live |
| SINO FUHAIDUO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOLINK ASIA GROUP LIMITED | Private company limited by shares | Live |
| IU SING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO-OCEAN LAND (HAINAN) INVESTMENT LIMITED | Private company limited by shares | Live |
| SINCERE PROPERTIES LIMITED | Private company limited by shares | Live |
| ITALY SILIFEN FASHION STOCK LIMITED | Private company limited by shares | Live |
| SINO TACT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO TOP Engineering Tech. Limited | Private company limited by shares | Live |
| S.I.P. LIMITED | Private company limited by shares | Dissolved |
| GOLD SIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO ELITE GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO OASIS LIMITED | Private company limited by shares | Dissolved |
| SINOWEST SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINONORTH SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-GERMAN INVESTMENT INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Sino European Luxury Group Limited | Private company limited by shares | Live |
| SINO GLOBAL PROPERTIES LIMITED | Private company limited by shares | Live |
| WEALTHY SINO (HK) LIMITED | Private company limited by shares | Live |
| SINO-HK BT COMPANY LIMITED | Private company limited by shares | Live |
| SINO PEACE CORPORATION LIMITED | Private company limited by shares | Live |
| LDK Silicon Holding Co., Limited | Private company limited by shares | Live |
| FORTUNE SINO LIMITED | Private company limited by shares | Live |
| SINO CHANNEL LIMITED | Private company limited by shares | Live |
| SIDECO (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SING TAI ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO GOLD INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO LONGTEAM TECH BUSINESS LIMITED | Private company limited by shares | Live |
| HOI SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sioplast Company Limited | Private company limited by shares | Dissolved |
| WAH SING CONSTRUCTION ENG. LIMITED | Private company limited by shares | Live |
| LUCKY SINO UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINONIX TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SILICON VALLEY CONSTRUCTION MANAGEMENT HOLDING LIMITED | Private company limited by shares | Live |
| TOP SINCERE PLASTIC MATERIAL LIMITED | Private company limited by shares | Dissolved |
| SINO WEDDING CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |