| SINO EMPIRE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO RANK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOEVENT LIMITED | Private company limited by shares | Dissolved |
| TAK SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO STATE HONG KONG LIMITED | Private company limited by shares | Live |
| SINO STATE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINALOG INTERNATIONAL LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| WAH SING ADVERTISING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SimCam Limited | Private company limited by shares | Dissolved |
| SINO FORCE CORPORATION LIMITED | Private company limited by shares | Live |
| Sino International Business & Investments Limited | Private company limited by shares | Dissolved |
| WING HANG SILVERWARES LIMITED | Private company limited by shares | Live |
| AKK SinoTek Limited | Private company limited by shares | Live |
| SINO-MAGNET CO., LIMITED | Private company limited by shares | Dissolved |
| HING SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO FLYER LIMITED | Private company limited by shares | Dissolved |
| SINO AUTO PARTS RESOURCES CO. LIMITED | Private company limited by shares | Dissolved |
| SING CHUNG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WING SING MARBLE WORKS LIMITED | Private company limited by shares | Dissolved |
| SILVANA LIMITED | Private company limited by shares | Live |
| LAP SING EDUCATIONAL CHARITY FUNDING LIMITED | Company limited by guarantee | Live |
| SINO AGROCHEM CO., LIMITED | Private company limited by shares | Live |
| SINO BIO SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SILOONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON LIMITED | Private company limited by shares | Live |
| Life Simple Consultant Limited | Private company limited by shares | Dissolved |
| SING DA SEE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Silver Cloud Limited | Private company limited by shares | Live |
| KO SING MOTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO JOYCE GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO ACHIEVE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| YIP SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| RICH SILVER LIMITED | Private company limited by shares | Live |
| SINO RIVER CORPORATION LIMITED | Private company limited by shares | Dissolved |
| THREE SIXTY COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| SISLEY FAR EAST LIMITED | Private company limited by shares | Dissolved |
| SILK DREAMS LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT SINO LIMITED | Private company limited by shares | Dissolved |
| GREEN SINO LIMITED | Private company limited by shares | Live |
| SINO KING LIMITED | Private company limited by shares | Dissolved |
| Sino Leasing Holding Group Limited | Private company limited by shares | Live |
| SINO-LINK (HONG KONG) MANAGEMENT CONSULTANT CO. LIMITED | Private company limited by shares | Dissolved |
| SINO PLAN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO PLAN TRADING LIMITED | Private company limited by shares | Live |
| SINO LINK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINCONI CO., LIMITED | Private company limited by shares | Live |
| SINCE RAY LIMITED | Private company limited by shares | Live |
| QINGDAO SILVARTS CO., LIMITED | Private company limited by shares | Live |
| SILVERLINE TRADING LIMITED | Private company limited by shares | Dissolved |
| SIENHUA GROUP LIMITED | Private company limited by shares | Live |
| SINCERE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO FORTUNE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SILVERTOP ASIA LIMITED | Private company limited by shares | Live |
| SINO FORTUNE CHINA LIMITED | Private company limited by shares | Live |
| SINOMAGAZINE LIMITED | Private company limited by shares | Dissolved |
| SINOGLORY ENTERPRISES GROUP LIMITED | Private company limited by shares | Dissolved |
| SILICON VANTAGE TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO PACIFIC INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SIPRANO LIMITED | Private company limited by shares | Dissolved |
| SIAM LIMITED | Private company limited by shares | Live |
| EXCEL SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT FAR EAST LIMITED | Private company limited by shares | Live |
| LUCK SILVER LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO LINK PROPERTIES LIMITED | Private company limited by shares | Live |
| SILVER PURITY LIMITED | Private company limited by shares | Live |
| SINCERE VICTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING PRINTING HK LIMITED | Private company limited by shares | Dissolved |
| HK SIMENGLAN FURNITURE GROUP LIMITED | Private company limited by shares | Dissolved |
| RICH SINO FULL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ONE SILVER VILLA LIMITED | Private company limited by shares | Dissolved |
| MEGA SINO LIMITED | Private company limited by shares | Live |
| SINMAX LIMITED | Private company limited by shares | Live |
| SINO OLYMPIC LIMITED | Private company limited by shares | Dissolved |
| SILITEC LIMITED | Private company limited by shares | Dissolved |
| SINO-OCEAN LAND (ZHONG SHAN) LIMITED | Private company limited by shares | Live |
| SILVER TIME LIMITED | Private company limited by shares | Live |
| SINGMA DELUXE HOLDING LIMITED | Private company limited by shares | Live |
| SINO PORT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO CONSTRUCTION ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| SIU'S BROTHER INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Western Venture Limited | Private company limited by shares | Dissolved |
| SinoLink Capital, Limited | Private company limited by shares | Dissolved |
| SINO UNIVERSAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SINO CENTRAL INTERNATIONAL (HONGKONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTONE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| SING FAI ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| HOI SING ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL SIGNAL CO., LIMITED | Private company limited by shares | Live |
| SINO STAR INDUSTRIAL HOLDING LIMITED | Private company limited by shares | Live |
| SINOSTAR ASIA LIMITED | Private company limited by shares | Live |
| SINO LEISURE SHIP MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINMAX (H. K.) LIMITED | Private company limited by shares | Live |
| POWER SINO LIMITED | Private company limited by shares | Dissolved |
| SIRENS PRODUCTIONS LIMITED | Private company limited by shares | Live |
| SINOVOICE TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO DATABASE LIMITED | Private company limited by shares | Live |
| LONG SIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |