| SINO SINCERE INC LIMITED | Private company limited by shares | Live |
| SINO TIME TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sino Honestar Trading Co., Limited | Private company limited by shares | Live |
| Sino Music Group (HK) Limited | Private company limited by shares | Live |
| Sincere Global Limited | Private company limited by shares | Live |
| YAT SING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SINYING INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINOINDIAN HK LIMITED | Private company limited by shares | Dissolved |
| SINO GAINER SHIPPING AND TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINO ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO CHANCE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO CHAMPION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sino-America Group Co., Limited | Private company limited by shares | Live |
| SING SING PRODUCTION LIMITED | Private company limited by shares | Live |
| Sing Through the Land Limited | Company limited by guarantee | Live |
| GOOD SINCERE GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Sino DX Investment Co., Limited | Private company limited by shares | Live |
| Sincere Health Physiotherapy Center Limited | Private company limited by shares | Live |
| SINO WEALTH CREATION LIMITED | Private company limited by shares | Live |
| SINGLE MALT ONLINE LIMITED | Private company limited by shares | Live |
| SINGLE MALT GROUP LIMITED | Private company limited by shares | Live |
| SINO OVERSEAS WEALTH CREATION LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL WEALTH CREATION LIMITED | Private company limited by shares | Live |
| Sino-Express (H.K.) Co., Limited | Private company limited by shares | Live |
| SINO-EUROPE INVESTMENT PROMOTION COMPANY LIMITED | Private company limited by shares | Live |
| SINO QUEEN INC LIMITED | Private company limited by shares | Live |
| SINO NATURAL LIMITED | Private company limited by shares | Live |
| Sino Vino Impo Limited | Private company limited by shares | Live |
| WIN SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinorich Exchange Limited | Private company limited by shares | Live |
| SINBAD OF CHINA HONG KONG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GOLD SINO INC LIMITED | Private company limited by shares | Live |
| SINOTEC GLOBAL SOLUTIONS CO., LIMITED | Private company limited by shares | Live |
| Dowin Sinter Co., Limited | Private company limited by shares | Live |
| PATEK SINOLAND LIMITED | Private company limited by shares | Live |
| SinguNet Limited | Private company limited by shares | Live |
| SAN SING TRADING CO. LIMITED | Private company limited by shares | Live |
| FOREX SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HK SINNIETON OWNED LIMITED | Private company limited by shares | Live |
| SINOTEC INDUSTRIAL HK LIMITED | Private company limited by shares | Live |
| YIU SING MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| Sino European Property Limited | Private company limited by shares | Live |
| SINO RICH INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOHK MEDICAL LIMITED | Private company limited by shares | Live |
| SINKO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Singularity x Investments Limited | Private company limited by shares | Live |
| SINO EXTREME LIMITED | Private company limited by shares | Live |
| SINO GOLDEN STAR LIMITED | Private company limited by shares | Live |
| SINO TREASURE LINK LIMITED | Private company limited by shares | Live |
| Sinomix Limited | Private company limited by shares | Live |
| Sinocorp Asset Management (Asia) Limited | Private company limited by shares | Live |
| T SING FRIEND (HK) FAMILY OFFICE LIMITED | Private company limited by shares | Live |
| SINGLEBERGE MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO-OCEAN INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| HANG SING (SHATIN) LIMITED | Private company limited by shares | Live |
| SING SUN ELECTRONICS LIMITED | Private company limited by shares | Live |
| SINO GETTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO ORIENTAL CULTURE MEDIA GROUP LIMITED | Private company limited by shares | Live |
| SinoPac Corporation Limited | Private company limited by shares | Live |
| SINO ABLE INC LIMITED | Private company limited by shares | Live |
| SINOWALL HONGKONG LIMITED | Private company limited by shares | Live |
| Sino-Velab Instrument (Hong Kong) Trade Co., Limited | Private company limited by shares | Live |
| Wing Sing Consulting Limited | Private company limited by shares | Live |
| ICONIC SINO LIMITED | Private company limited by shares | Live |
| SINO SHINER LIMITED | Private company limited by shares | Live |
| SINO PEAK TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Top Sincere Electronics Limited | Private company limited by shares | Live |
| Changchun Sinoenergy Limited | Private company limited by shares | Live |
| NEW SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO CAPITAL PLANNING LIMITED | Private company limited by shares | Live |
| SINO WEALTH ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SINO ELITE INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SINOMEDICA CO., LIMITED | Private company limited by shares | Live |
| At. One Single Limited | Private company limited by shares | Live |
| HENRY (SINO) LIMITED | Private company limited by shares | Live |
| SINCERE FORD LIMITED | Private company limited by shares | Live |
| SINO PHARMACY CHAIN COMPANY LIMITED | Private company limited by shares | Live |
| YIWU SINO INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO INT'L TRADE CO., LIMITED | Private company limited by shares | Live |
| Gaam Sing Engineering Limited | Private company limited by shares | Live |
| Sinoc Electronics Company Limited | Private company limited by shares | Live |
| SINO GAS INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Wing Sing Energy Group Limited | Private company limited by shares | Live |
| Sinpark Crane Parts co., Limited | Private company limited by shares | Live |
| ASIAN SINO INC LIMITED | Private company limited by shares | Live |
| SINO VISION RACING LIMITED | Private company limited by shares | Live |
| Singtone Telecommunication Trading Limited | Private company limited by shares | Live |
| Sinonoc Group Limited | Private company limited by shares | Live |
| VICTORY SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO YIELD INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO-CORP MARINE CO., LIMITED | Private company limited by shares | Live |
| SINMIC GROUP LIMITED | Private company limited by shares | Live |
| WING SING KITCHEN WARES ENGINEERING LIMITED | Private company limited by shares | Live |
| SINONION LIMITED | Private company limited by shares | Live |
| SINO JET RICH LIMITED | Private company limited by shares | Live |
| SINO RICH STAR LIMITED | Private company limited by shares | Live |
| SINO KINGSBERG LIMITED | Private company limited by shares | Live |
| FUNG SING CATERING LIMITED | Private company limited by shares | Live |
| Sincerely Industrial Limited | Private company limited by shares | Live |
| Sino Entertainment Corporation Limited | Private company limited by shares | Live |