| SIGNAGE PRO LIMITED | Private company limited by shares | Live |
| CHINA DIGITAL SIGNAGE LIMITED | Private company limited by shares | Live |
| SINO PHONE COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINOWING INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Live |
| NAM SING INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| HIP SING MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO ASSET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TOP INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINCERE ENERGY TRADING PTE LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| HARVEST SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINAE LIMITED | Private company limited by shares | Dissolved |
| BLACK SIMPLE LIMITED | Company limited by guarantee | Live |
| SINO GATEWAY LIMITED | Private company limited by shares | Live |
| SINO EAST TRADING LIMITED | Private company limited by shares | Dissolved |
| Silvercorp Consultancy Limited | Private company limited by shares | Live |
| SINOLINK HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIRIUS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DAILY SILVER LIMITED | Private company limited by shares | Live |
| SINARAL HOLDING LIMITED | Private company limited by shares | Live |
| SINTEX INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| ART SIGHT LIMITED | Private company limited by shares | Live |
| SINO EFFORT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO GATHER LIMITED | Private company limited by shares | Live |
| SINO NOVA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EM GOLD & SILVER LIMITED | Private company limited by shares | Dissolved |
| SINO GREAT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOWAY DIGITAL HK LIMITED | Private company limited by shares | Live |
| SINO GLOBAL CORPORATION LIMITED | Private company limited by shares | Live |
| SILVERMOSES GROUP LIMITED | Private company limited by shares | Live |
| SINO WAY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO TOBACCO (HK) LIMITED | Private company limited by shares | Dissolved |
| SIGMAI (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SIMPLY V SPA LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Sinovel Electronic Co., Limited | Private company limited by shares | Dissolved |
| AMPLE SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SILVER JEZZ LIMITED | Private company limited by shares | Dissolved |
| SINO VISA INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SINOVO INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| SING TRAVEL LIMITED | Private company limited by shares | Live |
| SIROCCO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SILENT HILL LIMITED | Private company limited by shares | Dissolved |
| Rankam Sino Industrial Co., Limited | Private company limited by shares | Live |
| SIMPLE LOVE (HK) CULTURAL DIFFUSION LIMITED | Private company limited by shares | Live |
| SINO GROW LIMITED | Private company limited by shares | Live |
| HONGKONG SINOTRADE CO., LIMITED | Private company limited by shares | Live |
| SINO EAGLE LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO FAREAST LIMITED | Private company limited by shares | Live |
| SINO LEGEND ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| LOK SING ELECTRICAL (CHINA) LIMITED | Private company limited by shares | Live |
| SIMPLIFIED CHINESE RELATIONS LIMITED | Private company limited by shares | Live |
| SILKSTAR LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL (H.K.) INDUSTRY LIMITED | Private company limited by shares | Live |
| PAK WAN TUNG TAI SING FAT CHO CO., LIMITED | Company limited by guarantee | Live |
| SINCERITY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Sino-Benefit Insurance Brokers (Hong Kong) Limited | Private company limited by shares | Live |
| SINO TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| TOP SINO INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO TREASURE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MOUNTAIN TRADING LIMITED | Private company limited by shares | Live |
| Sino Asia Surface Engineering Limited | Private company limited by shares | Dissolved |
| ENERGY SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sino Leader Capital Management Limited | Private company limited by shares | Live |
| MASTER SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO IDEA LIMITED | Private company limited by shares | Live |
| SINO LIGHT CONSULTANCY LIMITED | Private company limited by shares | Live |
| Shenzhen Sinowin Electronics Co., Limited | Private company limited by shares | Live |
| MEGA SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SPARK INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO PACIFIC RESOURCES FUNDING GROUP LIMITED | Private company limited by shares | Live |
| SING MEI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINOCEM TRADING HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO RICH FOUNDATION LIMITED | Private company limited by shares | Live |
| TRINITY SINO LIMITED | Private company limited by shares | Live |
| SIMPLE ASCENT LIMITED | Private company limited by shares | Dissolved |
| HOP SING EXPORT LIMITED | Private company limited by shares | Dissolved |
| SINGI TELE TRADE LIMITED | Private company limited by shares | Dissolved |
| SINO RICH INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO TONE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINOGAIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| SIEMENS INT'L ELECTRICIAN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCES LIMITED | Private company limited by shares | Live |
| GLORY SIGHT LIMITED | Private company limited by shares | Live |
| SIMPLE ACTION LIMITED | Private company limited by shares | Live |
| SINO CHAIR LIMITED | Private company limited by shares | Live |
| Sinda Company Limited | Private company limited by shares | Dissolved |
| SINOUTC LIMITED | Private company limited by shares | Dissolved |
| SINO TEC ENTERPRISE LIMITED | Private company limited by shares | Live |
| SIP2HK Limited | Private company limited by shares | Live |
| SING TO PREMIUM LIMITED | Private company limited by shares | Dissolved |
| SINCERE CHOICE LIMITED | Private company limited by shares | Live |
| SINO HUAFU GROUP LIMITED | Private company limited by shares | Live |
| SICON TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ADVENTURE LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Sep-2013 |
| SINO CITY CORPORATION LIMITED | Private company limited by shares | Live |
| SINOTUNE CENTURY LIMITED | Private company limited by shares | Dissolved |
| 3 SISTERS CONSULTING LIMITED | Private company limited by shares | Live |