| Sino Security Co., Limited | Private company limited by shares | Live |
| SINRG LIMITED | Private company limited by shares | Live |
| KAM FUNG (SINO) MONEY EXCHANGE LIMITED | Private company limited by shares | Live |
| SIMAG METAL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| TREASURE SINO LIMITED | Private company limited by shares | Live |
| All Sides Investment Limited | Private company limited by shares | Live |
| WING SING CONSULTANCY CO., LIMITED | Private company limited by shares | Live |
| SINO CHARTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| France Sidiboka Biotechnology Limited | Private company limited by shares | Live |
| CHINA SIBLINGS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| SIHAM FINANCE GROUP LIMITED | Private company limited by shares | Live |
| MAN SING MOTO LIMITED | Private company limited by shares | Live |
| SINAN GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Dec-2015 |
| SICHUAN GBI FQ EDUCATION CONSULT (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO TEDESCO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Everbright Environmental Energy (Sichuan) Holdings Limited | Private company limited by shares | Live |
| Sino-Oil Technology International Investment Co., Limited | Private company limited by shares | Live |
| Simon Carmichael Group Limited | Private company limited by shares | Live |
| GLOBAL SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SINO PROFESSIONAL INC LIMITED | Private company limited by shares | Live |
| SINO RICHLY LIMITED | Private company limited by shares | Live |
| SINO SUNNY LIMITED | Private company limited by shares | Live |
| KA SING CHINA CO., LIMITED | Private company limited by shares | Live |
| Sing Feng Engineering Limited | Private company limited by shares | Live |
| SINO HY (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO RAILWAY (TRUCKS) GROUP LIMITED | Private company limited by shares | Live |
| Sinoma Cement (Hong Kong) Investment Company Limited | Private company limited by shares | Live |
| SILVERCORP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOP SINO INT'L TRAVEL LIMITED | Private company limited by shares | Live |
| HND SINO-HONGKONG LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| SINO GAINER LIMITED | Private company limited by shares | Live |
| VIEW SIGHT LIMITED | Private company limited by shares | Live |
| SINO WONDERFUL LIMITED | Private company limited by shares | Dissolved |
| KINGLAND (SINO) COMPANY LIMITED | Private company limited by shares | Live |
| CHINA SINGING BOWLS ASSOCIATION LIMITED | Private company limited by shares | Live |
| WIN SING CO., LIMITED | Private company limited by shares | Live |
| SINGULARITY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO BIG TRADING LIMITED | Private company limited by shares | Live |
| SIMA TRADINGS (CHINA) LIMITED | Private company limited by shares | Live |
| SINO STAR FUND MANAGEMENT CO. LIMITED | Private company limited by shares | Live |
| Silkivegur Limited | Private company limited by shares | Live |
| Sino Excel Production Limited | Private company limited by shares | Live |
| SINO SCULPTURE HANDICRAFT CO., LIMITED | Private company limited by shares | Dissolved |
| Silverspace Industrial Limited | Private company limited by shares | Live |
| SINOVISA LIMITED | Private company limited by shares | Live |
| SINO BIG INVESTMENT LIMITED | Private company limited by shares | Live |
| Silkroad Internet Growth Capital Limited | Private company limited by shares | Live |
| SINO GREAT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO WEALTH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO SIGHT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO SPACE TRADING LIMITED | Private company limited by shares | Live |
| SINO SINCERE INC LIMITED | Private company limited by shares | Live |
| New Silk Road Enterprise Co., 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 |
| HK SILAIKE 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 |
| SIER TOOLS INDUSTRIAL 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 |
| OCEAN SILVER LIMITED | Private company limited by shares | Live |
| SIBIOMED GROUP 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 |
| SIRENA (TAIWAN) MFG. 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 |
| SIMPLE CHANNEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO WEALTH CREATION LIMITED | Private company limited by shares | Live |
| SILVERAY CONSTRUCTION ENGINEERING 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 |
| MANNA SILICONE PRODUCTS CO., 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 |
| Siemens Healthcare 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 |
| SILK WAY CONSULT LIMITED | Private company limited by shares | Live |
| Sino Vino Impo Limited | Private company limited by shares | Live |
| Silkroad Global Investments 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 |
| GUANGZHOU SIJIATU LIMITED | Private company limited by shares | Live |
| Sivan Co., Limited | Private company limited by shares | Live |
| Button Sisters Limited | Private company limited by shares | Live |
| GOLD SINO INC LIMITED | Private company limited by shares | Live |
| SILKRAILWAY LIMITED | Private company limited by shares | Live |
| SINOTEC GLOBAL SOLUTIONS CO., LIMITED | Private company limited by shares | Live |