| Sino Techfibre (HK) Limited | Private company limited by shares | Live |
| Siemens Healthcare Diagnostics Limited | Private company limited by shares | Dissolved |
| SING TAK ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SILKROAD INTERNATIONAL ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO PROSPER RE-ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Simerlab International Limited | Private company limited by shares | Dissolved |
| SINO-BRIDGE LIMITED | Private company limited by shares | Dissolved |
| SINO SHIPPING LIMITED | Private company limited by shares | Live |
| SINOPLUS INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINO WATER-TECH LIMITED | Private company limited by shares | Dissolved |
| SINO CREATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIMTEX INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLY SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GERMANY SIEMENS KITCHEN HEALTH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO PROSPER RENEWABLE RESOURCES INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO VISION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO DIGNITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| RUSSIA SIKEWO FERTILIZER (GROUP) LIMITED | Private company limited by shares | Dissolved |
| HANG SING JEWELLERY MANUFACTORY LIMITED | Private company limited by shares | Live |
| NAM SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| YUK SING GROUP LIMITED | Private company limited by shares | Live |
| HE SING HOLDING LIMITED | Private company limited by shares | Live |
| SILICON CHINA (HK) LIMITED | Private company limited by shares | Live |
| SINOAPEX TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HK SINO-AUSTRALIA HEMING CULTURE & MEDIA CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ONE EXPRESS LIMITED | Private company limited by shares | Dissolved |
| SIMPLY MATCH CO. LIMITED | Private company limited by shares | Live |
| FRANCE EXCELLENT SILK GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIREN BEAUTY GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO IMAGE LIMITED | Private company limited by shares | Live |
| YUK SING PAPER TRADING LIMITED | Private company limited by shares | Dissolved |
| SINCERE RESTAURANT LIMITED | Private company limited by shares | Live |
| SOUTHERN SINO PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| COTTON SITE LIMITED | Private company limited by shares | Live |
| IP SING ART WORKS LIMITED | Private company limited by shares | Live |
| SINO GREEN INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG SINOMANIA ASSETS APPRAISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SICO LIMITED | Private company limited by shares | Live |
| SINO-AMERICAN SHIPPING CO. LIMITED | Private company limited by shares | Dissolved |
| SINO-BRASIL ENERGY CONSULTING & INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SILKY LIMITED | Private company limited by shares | Dissolved |
| SINATA TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| 21 SIGNALS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOCORP LIMITED | Private company limited by shares | Dissolved |
| SINO ALLY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO VIRTUE LIMITED | Private company limited by shares | Dissolved |
| SINOBA GmbH Swiss Co., Limited | Private company limited by shares | Live |
| SIDI DIAMONDS FAR EAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| TOP SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SINO ASIA FUNDS MANAGEMENT LIMITED | Private company limited by shares | Live |
| LINK SINO (CHINA) LIMITED | Private company limited by shares | Live |
| SILVER BAY LIMITED | Private company limited by shares | Live |
| SILVER MATRIX LIMITED | Private company limited by shares | Live |
| SINOPAITA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOP SINO FAR EAST LIMITED | Private company limited by shares | Dissolved |
| MEGA SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| SIMPLE & FAST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA SICHUAN LUJIU LAOJIAO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HANG SING GROUP HONG KONG LIMITED | Private company limited by shares | Live |
| SINO3E LIMITED | Private company limited by shares | Dissolved |
| GERMANY SIEMENS ELECTRIC (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHI SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| GREAT SINO GROUP LIMITED | Private company limited by shares | Dissolved |
| BLUESTAR SILICONES INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| KIN SING ELECTRONIC (HK) LIMITED | Private company limited by shares | Dissolved |
| WING SING TECHNOLOGY (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING CHEER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| VAST SIGHT LIMITED | Private company limited by shares | Dissolved |
| SINO STAR EMPIRE LIMITED | Private company limited by shares | Live |
| VAST SILVER LIMITED | Private company limited by shares | Dissolved |
| SINO CHEMTECH LIMITED | Private company limited by shares | Live |
| WAH SING ASIA LIMITED | Private company limited by shares | Dissolved |
| Botanical Silk Direct Limited | Private company limited by shares | Dissolved |
| SINODEC INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| GRAND SINO ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOTEC HOLDINGS LIMITED | Private company limited by shares | Live |
| SIMANDY LIMITED | Private company limited by shares | Live |
| KOREA GOLDE SILK LIMITED | Private company limited by shares | Dissolved |
| KAH SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINODRAGON HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO-FRANCO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOMEN LIMITED | Private company limited by shares | Dissolved |
| SINO PORT (HK) LIMITED | Private company limited by shares | Live |
| LA SIERRA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO EAGLE INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOLIGHT (GUANGDONG) LIMITED | Private company limited by shares | Dissolved |
| SINO SMART TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO VISION UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN ENTERPRISES (HK) LIMITED | Private company limited by shares | Live |
| SINO VISION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO TARGET LIMITED | Private company limited by shares | Dissolved |
| SINO RICH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINKO ELECTRONIC (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGLE MADE LIMITED | Private company limited by shares | Live |
| SIEMEN CREOLE CONSULTANTS LIMITED | Private company limited by shares | Live |