| SINOBIOCORP. (HONG KONG) CO. LIMITED | Private company limited by shares | Live |
| SINO WELLON INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO BRIGHTER LIMITED | Private company limited by shares | Live |
| Assets Sino Investments (HK) Limited | Private company limited by shares | Live |
| SINO EXCELLENT LIMITED | Private company limited by shares | Live |
| Sino Trading Solutions Limited | Private company limited by shares | Live |
| JOY SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sino New Energy Group Co., Limited | Private company limited by shares | Live |
| YUNG SING GROUP COMPANY LIMITED | Private company limited by shares | Live |
| SINOMAKE LIMITED | Private company limited by shares | Live |
| WEALTHY SINO LIMITED | Private company limited by shares | Live |
| SINGENERGY LIMITED | Private company limited by shares | Live |
| SINO RESOURCES TRADING LIMITED | Private company limited by shares | Live |
| Sinotech Digital Company Limited | Private company limited by shares | Live |
| SV SINSO OVERSEAS LIMITED | Private company limited by shares | Live |
| SINCERE GLOBAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO GELIVABLE CO., LIMITED | Private company limited by shares | Live |
| SINGULARITY INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| ORIENTAL SINO INC LIMITED | Private company limited by shares | Live |
| HK ELDERLY SINGING DANCING ASSOCIATION LIMITED | Private company limited by shares | Live |
| SinoEagle IP Limited | Private company limited by shares | Live |
| SING WOO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINBOTEX (HONG KONG) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| JOYFUL SINCERE LIMITED | Private company limited by shares | Live |
| Hong Kong Sino Investments Limited | Private company limited by shares | Live |
| GRAND SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinomac Machinery Industrial Co., Limited | Private company limited by shares | Live |
| FIRST SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| MAIN SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| Tsun Sing Technology Engineering Limited | Private company limited by shares | Live |
| SINO CONST MACHINERY GROUP LIMITED | Private company limited by shares | Live |
| FP Sino-Rich Bullion Limited | Private company limited by shares | Live |
| Chong Sing Electronic Company Limited | Private company limited by shares | Live |
| Sinotender Limited | Private company limited by shares | Live |
| HONG KONG WEALTHY SINO LIMITED | Private company limited by shares | Live |
| SINCERE TRUE LIMITED | Private company limited by shares | Live |
| Sinotrans Energetic Investments (HK) Limited | Private company limited by shares | Live |
| SINO GLORY TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO HYPNOSIS ASSOCIATION LIMITED | Private company limited by shares | Live |
| SinoPEG Limited | Private company limited by shares | Live |
| Zhangzhou Sino Science & Technology Co., Limited | Private company limited by shares | Live |
| SINOMA INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINGERS ASSOCIATION CO. LIMITED | Private company limited by shares | Live |
| Sino Marvel Limited | Private company limited by shares | Live |
| SINO ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| EVER SINO (H.K.) LIMITED | Private company limited by shares | Live |
| WING SING (ASIA) LIMITED | Private company limited by shares | Live |
| HANG SING INTERNATIONAL BUSINESS LIMITED | Private company limited by shares | Live |
| SINOPIVAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO ASIAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sino Corpora International Limited | Private company limited by shares | Live |
| EVER SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINONE FITNESS EQUIPMENT LIMITED | Private company limited by shares | Live |
| MING SING CATERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINOENG (HK) LIMITED | Private company limited by shares | Live |
| SINO COMMODITY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO-HK CHEMICAL TANKER LIMITED | Private company limited by shares | Live |
| SINO-OCEAN CHEMICAL TANKER LIMITED | Private company limited by shares | Live |
| SINO TOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sing Yun International Group Limited | Private company limited by shares | Live |
| Sino-European Star Limited | Private company limited by shares | Live |
| Singwood Design Limited | Private company limited by shares | Live |
| Sinyo Technology Limited | Private company limited by shares | Live |
| SINO GLOBAL CAPITAL PARTNERS LIMITED | Private company limited by shares | Live |
| SINO PROFESSIONAL FINANCIAL LIMITED | Private company limited by shares | Live |
| HUA SING (HONG KONG) TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO FLAME INVESTMENTS LIMITED | Private company limited by shares | Live |
| WUI PONG SING TRADING LIMITED | Private company limited by shares | Live |
| Sino e Company Limited | Private company limited by shares | Live |
| Sino Commerce Company Limited | Private company limited by shares | Live |
| HONG KONG HANG SING GROUP LIMITED | Private company limited by shares | Live |
| Sinensis Company Limited | Private company limited by shares | Live |
| HONG KONG SINO WEALTH LIMITED | Private company limited by shares | Live |
| CHINA SINO WEALTH LIMITED | Private company limited by shares | Live |
| SINGHAI INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Champion Technology (Hong Kong) Company Limited | Private company limited by shares | Live |
| SINO-FORESTY HOLDINGS (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| DONGGUAN SINCERE TECH CO. LIMITED | Private company limited by shares | Live |
| YAT SING TRADING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOSHIELD HK LIMITED | Private company limited by shares | Live |
| Lung Sing Tong Sport Association Limited | Company limited by guarantee | Live |
| SINRIHANS INDUSTRY LIMITED | Private company limited by shares | Live |
| Sinfia Trading Limited | Private company limited by shares | Live |
| CHARM SINCERE LIMITED | Private company limited by shares | Live |
| GOOD SINCERE LIMITED | Private company limited by shares | Live |
| LUCKY SINCERE LIMITED | Private company limited by shares | Live |
| SINO SILVER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Apr-2016 |
| Sing Fai Precision Co. Limited | Private company limited by shares | Live |
| SINOR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINGHIGH INTERNATIONAL IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| SINTAN SHIPPING CO., LIMITED | Private company limited by shares | Live |
| SINO RIVER INC LIMITED | Private company limited by shares | Live |
| Victory Sino International Trade Limited | Private company limited by shares | Live |
| SING SAM INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HOP SING ENGINEERING LIMITED | Private company limited by shares | Live |
| Sinnet International Limited | Private company limited by shares | Live |
| SINGYU (HK) INVESTMENT LIMITED | Private company limited by shares | Live |
| SING WANG INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINO TOPPING LIMITED | Private company limited by shares | Live |
| SING LOONG LIMITED | Private company limited by shares | Live |