| SINO SCIENCE ENGINEERING DESIGN LIMITED | Private company limited by shares | Live |
| SILVER MAX LIMITED | Private company limited by shares | Live |
| Siasosu Fabric Co., Limited | Private company limited by shares | Live |
| LE GRAND SILVERJOY 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 |
| SICHUAN YONG LIN CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| SINO ZHENG XIN GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SILVER MEGA LIMITED | Private company limited by shares | Live |
| SilkRoad Commercial Limited | Private company limited by shares | Live |
| SINO GOLDEN LIMITED | Private company limited by shares | Live |
| SIWAY GF INSPECTION & SERVICE CO., 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 |
| Silk Road Sky 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 |
| SIDIC LIMITED | Private company limited by shares | Dissolved |
| Sixth Element Company Limited | Private company limited by shares | Live |
| RIDHI SIDHI TRADING LIMITED | Private company limited by shares | Live |
| SINOINSTRUMENT ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| KOREA SITA INT'L GROUP LIMITED | Private company limited by shares | Live |
| SIMCOE ASIA 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 |
| Simmy Beauty Limited | Private company limited by shares | Live |
| SINO NICE LIMITED | Private company limited by shares | Live |
| S.I.J Trade 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 |
| SIMPLY TALK 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 |
| Proteus Silicon Solutions 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 |
| SI-UK Global Limited | Private company limited by shares | Live |
| SINO-COMMERCE INVEST & HOLDING CO., LIMITED | Private company limited by shares | Live |
| SICHUAN LESHAN BAILING ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| SINOPAC LIMITED | Private company limited by shares | Live |
| SILVER BEST INVESTMENT LIMITED | Private company limited by shares | Live |
| sinoneon company Limited | Private company limited by shares | Live |
| SHENZHEN SIGERA TECHNOLOGY CO., 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 |
| SIWEIYA LIMITED | Private company limited by shares | Live |
| True Sisters Entertainment Limited | Private company limited by shares | Dissolved |
| 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 |
| Sisipsong Limited | Private company limited by shares | Live |
| SIJIA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINORI INDUSTRY LIMITED | Private company limited by shares | Live |
| Sishang Group Limited | Private company limited by shares | Live |
| SINO-HK Pengcheng Construction Engineering Limited | Private company limited by shares | Live |
| SIXIANG KUANGSHI 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 |
| SILK INITIATIVE LIMITED -THE- | 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 |
| SIAM PRODUCTIONS TRADING LIMITED | Private company limited by shares | Live |
| SING INTERNATIONAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| SIQIANG ELECTRONICS TECHNOLOGY CO., 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 |
| Sixty Six Mobile Community Limited | Private company limited by shares | Live |
| SINO ASEAN FIDUCIARIES (HK) LIMITED | Private company limited by shares | Live |
| HK SING GEM INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| JD Sidley Limited | Private company limited by shares | Live |
| SINO GARDEN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| POWER SIDE LIMITED | Private company limited by shares | Live |