| SINGLIWORLD HK PTE LIMITED | Private company limited by shares | Live |
| WAI LIK SING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Chung Sing Electrical Co. Limited | Private company limited by shares | Live |
| SINO TRUCK AND EQUIPMENT LIMITED | Private company limited by shares | Live |
| Singleton Group Limited | Private company limited by shares | Live |
| SINO METAL GROUP CO., LIMITED | Private company limited by shares | Live |
| Sinori Capital Limited | Private company limited by shares | Live |
| NG SING HO MEMORIAL LIMITED | Private company limited by shares | Live |
| TOPPING SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| WELL SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MING SING HONG PROPERTIES LIMITED | Private company limited by shares | Live |
| SWIFT SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITED SINO ENTERPRISES INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOFIRM MANAGEMENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG FU SING GROUP LIMITED | Private company limited by shares | Live |
| SINO GALAXY INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOSTORE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| HONG KONG SING YAM COMPANY LIMITED | Private company limited by shares | Live |
| SINO SUPER LIMITED | Private company limited by shares | Live |
| SING TO ENGINEERING LIMITED | Private company limited by shares | Live |
| BRIGHT SINO INC LIMITED | Private company limited by shares | Live |
| SINOS AUTOMATION (HK) CO., LIMITED | Private company limited by shares | Live |
| Sinomedia Group Limited | Private company limited by shares | Live |
| SINO SPECIAL FARMING JOINT CENTER LIMITED | Private company limited by shares | Live |
| ASIA SINO INC LIMITED | Private company limited by shares | Live |
| SINO AMERICA RESOURCE LIMITED | Private company limited by shares | Live |
| Sing Hao Engineering Limited | Private company limited by shares | Live |
| MING SING HONG PROPERTIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Asia Kitchenware Engineering Limited | Private company limited by shares | Live |
| SINGH WELFARE LIMITED | Company limited by guarantee | Live |
| SINO SMART INC LIMITED | Private company limited by shares | Live |
| Sindo Technology Co., Limited | Private company limited by shares | Live |
| SINO GOLDEN SUCCESS CORPORATION LIMITED | Private company limited by shares | Live |
| YIU SING DEVELOP LIMITED | Private company limited by shares | Live |
| Sing Yun Investment Limited | Private company limited by shares | Live |
| SINO SCIENCE ENGINEERING DESIGN LIMITED | Private company limited by shares | Live |
| 3 SING CREDIT LIMITED | Private company limited by shares | Live |
| Yat Sing Air-conditioning & Electrical Engineering Company Limited | Private company limited by shares | Live |
| Sino Store International Limited | Private company limited by shares | Live |
| SINO REPRODUCTION AND HEALTH CARE INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINOCEAN HOPE SHIPPING CO., LIMITED | Private company limited by shares | Live |
| SINO THICK CAPITAL HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINO ZHENG XIN GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO GOLDEN LIMITED | Private company limited by shares | Live |
| ART SINCERE LIMITED | Private company limited by shares | Live |
| SINCERE VIEW LIMITED | Private company limited by shares | Live |
| Sino-Pacific Community Co. Limited | Private company limited by shares | Live |
| SINOBIOWAY CAPITAL LIMITED | Private company limited by shares | Live |
| SINO SEA ENTERPRISES LIMITED | Private company limited by shares | Live |
| Wah Sing Umbrella Limited | Private company limited by shares | Live |
| SINOCIEL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Overseas Wah Sing (HK) Media Co., Limited | Private company limited by shares | Live |
| SINOWATT (HK) CO., LIMITED | Private company limited by shares | Live |
| SINOINSTRUMENT ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SINO AGRICULTURE ENERGY ASIA LIMITED | Private company limited by shares | Live |
| Cedar Sino Capital Limited | Private company limited by shares | Live Commenced dormancy on 14-Jun-2016 |
| SINO ALLIED LIMITED | Private company limited by shares | Live |
| SINO RESOURCES INVESTMENTS LIMITED | Private company limited by shares | Live |
| SUCCESS SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO NICE LIMITED | Private company limited by shares | Live |
| Sinex Co., Limited | Private company limited by shares | Live |
| HO SING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino-Pacific Co-Prosperity Co. Limited | Private company limited by shares | Live |
| Sino Pacific Paramount Limited | Private company limited by shares | Live |
| Sino Matrix Solutions Limited | Private company limited by shares | Live |
| Sino Indo Hydro Power Group Limited | Private company limited by shares | Live |
| SINO TIMES LIMITED | Private company limited by shares | Live |
| SINO BRIGHTEN LIMITED | Private company limited by shares | Dissolved |
| SINO BILLIONS LIMITED | Private company limited by shares | Live |
| SINO HARBOUR MARINE EQUIPMENT LIMITED | Private company limited by shares | Live |
| SINO-COMMERCE INVEST & HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINOPAC LIMITED | Private company limited by shares | Live |
| sinoneon company Limited | Private company limited by shares | Live |
| SINO CROWN INC LIMITED | Private company limited by shares | Live |
| SINO UNIVERSE INC LIMITED | Private company limited by shares | Live |
| SINYU TRADE LIMITED | Private company limited by shares | Live |
| Sino Machinery Trading Company Limited | Private company limited by shares | Live |
| SINO SOURCING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO GIANT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HO SING (HONGKONG) TRADING LIMITED | Private company limited by shares | Live |
| Sino-Africa Investment Limited | Private company limited by shares | Live |
| SING FIN LIMITED | Private company limited by shares | Live |
| HK SINASUN TECH CO., LIMITED | Private company limited by shares | Live |
| SINORI INDUSTRY LIMITED | Private company limited by shares | Live |
| SINO-HK Pengcheng Construction Engineering Limited | Private company limited by shares | Live |
| SINO CREATION ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Live |
| HK SINGO LIMITED | Private company limited by shares | Live |
| Singulariteam HK Limited | Private company limited by shares | Dissolved |
| SINO SEA COMMUNICATION LIMITED | Private company limited by shares | Live |
| SINO GLORY (H.K.) LIMITED | Private company limited by shares | Live |
| ASIA SINO TRADING LIMITED | Private company limited by shares | Live |
| Sino Green Technologies Limited | Private company limited by shares | Live |
| SINCERE FAME LIMITED | Private company limited by shares | Live |
| Sinoriginal Industries (HongKong) Limited | Private company limited by shares | Live |
| JINHUA SINNA INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| Sintec Electronics Technology (Hongkong) Co., Limited | Private company limited by shares | Live |
| SING INTERNATIONAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| WAI SING ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SINO UNIVERSE (HK) LIMITED | Private company limited by shares | Live |