| SING WAI HK CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINYE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO CHIPS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sino Straits Trading Limited | Private company limited by shares | Live |
| S.I. Infrastructure (Shen-Yu) Limited | Private company limited by shares | Live |
| SINO REACH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SIGE LIMITED | Private company limited by shares | Live |
| SINO BLOOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO-PREMIUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIANA HK LIMITED | Private company limited by shares | Dissolved |
| SINO HONG KONG CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SIETEX INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINEST CHAIN STORE (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SIYUAN INTERNATIONAL (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BESTBUY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Sichuan Asian Power Equipment Limited | Private company limited by shares | Live |
| SINO SUCCESS CHINA LIMITED | Private company limited by shares | Live |
| Sino Solar Technology (HK) Limited | Private company limited by shares | Live |
| SILVER RAIN LIMITED | Private company limited by shares | Live |
| SIBOLY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINOELECTRIC POWERTRAIN CO., LIMITED | Private company limited by shares | Live |
| GRANDTEK SILICONE RUBBER PRODUCT LIMITED | Private company limited by shares | Live |
| BO SING TRADING LIMITED | Private company limited by shares | Live |
| SING LUNG CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO EXPRESS PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO HONOUR TRADING CO., LIMITED | Private company limited by shares | Live |
| SINROWSUN TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO WAY INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO VISION INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Live |
| SIVITON (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHEJIANG SIGNWIN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SIU'S INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOTEC INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| AMITY SINO LIMITED | Private company limited by shares | Live |
| Sindoh (Hongkong) Company Limited | Private company limited by shares | Live |
| DIN SINO VALVE GROUP CO., LIMITED | Private company limited by shares | Live |
| SIGNSYS LIMITED | Private company limited by shares | Live |
| SIMPLE PHARMS CO., LIMITED | Private company limited by shares | Live |
| SINO HARVEST CORPORATION LIMITED | Private company limited by shares | Live |
| SICO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK SILROAD INT'L HOLDING LIMITED | Private company limited by shares | Live |
| Silk Passion Company Limited -The- | Private company limited by shares | Live |
| SINOLOHAS LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Live |
| Sington Cans Limited | Private company limited by shares | Live |
| SINO CUBIC COMPANY LIMITED | Private company limited by shares | Live |
| SINO PAINTING & CALLIGRAPHY SPECIALIST ASSOCIATION LIMITED | Private company limited by shares | Live |
| SINOR LYCRA (HK) INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ALLIANCE HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| Sis. Cache Company Limited | Private company limited by shares | Live |
| Sino High-Tech Group Co., Limited | Private company limited by shares | Dissolved |
| Sino Trading & Service Company Limited | Private company limited by shares | Dissolved |
| SINO-UNIVERSE NET LIMITED | Private company limited by shares | Dissolved |
| SIARGO LIMITED | Private company limited by shares | Live |
| SINO TRADE INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Oct-2011 |
| SINMORE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO STANDARD CREDIT ASSESSMENT CO., LIMITED | Private company limited by shares | Live |
| SINORY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| FUZHOU SINOLINK IMP&EXP TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINOLINK INTERNATIONAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Sino Prosper Mineral Products Limited | Private company limited by shares | Live |
| Storopack Sing Home Holding 1 Limited | Private company limited by shares | Live |
| SINOINDL COMPANY LIMITED | Private company limited by shares | Live |
| SINCOWN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| WING SING TRANSPORTATION TRADING LIMITED | Private company limited by shares | Live |
| CHINA RAILWAY SINOTRANS COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE SING GLOBAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING SUN INVESTMENT HONG KONG LIMITED | Private company limited by shares | Live |
| SINO WISDOM LIMITED | Private company limited by shares | Live |
| SIERRA PRODUCTION LIMITED | Private company limited by shares | Live |
| TRANSPORT SIGNALLING LIMITED | Private company limited by shares | Dissolved |
| WING SING ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO RICH ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO-AGRIPARTS COMPANY LIMITED | Private company limited by shares | Live |
| ITALY SIKADANDUN INT'L HOLDING LIMITED | Private company limited by shares | Live |
| WING SING TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINO STRONG LIMITED | Private company limited by shares | Live |
| SINO ACE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO PACIFIC INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| PROSPER SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sino KAMCO Hong Kong, Limited | Private company limited by shares | Dissolved |
| SINOTOP PROPERTIES LIMITED | Private company limited by shares | Live |
| SIERRA SUPERIOR ELECTRON LIMITED | Private company limited by shares | Live |
| SINCERE LINK LIMITED | Private company limited by shares | Live |
| SINO CONSULTING & TRADING LIMITED | Private company limited by shares | Dissolved |
| PRECISION SINO LIMITED | Private company limited by shares | Dissolved |
| SINOLINK INT'L SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINOPAK INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SIBAOXIANDI (H.K) FURNISHINGS GROUP LIMITED | Private company limited by shares | Live |
| SUN SING MOTORS LIMITED | Private company limited by shares | Dissolved |
| Sinfachem Limited | Private company limited by shares | Live |
| SINCERE EFFORT (ASIA) LIMITED | Private company limited by shares | Live |
| SINO PROMISE CULTURE & MEDIA LIMITED | Private company limited by shares | Dissolved |
| HARBOUR SINO LIMITED | Private company limited by shares | Live |
| DELICATE SILK (CHINA) COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SINO ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| KWAN SING (HK) LIMITED | Private company limited by shares | Live |
| Sino Prosper State Gold HK Limited | Private company limited by shares | Live |
| SILKA ASIA LIMITED | Private company limited by shares | Live |