| SIANA FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| SIANA ASIA PACIFIC CO LIMITED | Private company limited by shares | Live |
| SIANG MAY LIMITED | Private company limited by shares | Live |
| YEW SIANG LIMITED | Private company limited by shares | Live |
| JI SIANG LIMITED | Private company limited by shares | Live |
| Siang Man Limited | Private company limited by shares | Live |
| CHENG SIANG LIMITED | Private company limited by shares | Live |
| SIANG HOA JEWELLERY LIMITED | Private company limited by shares | Live |
| SIANG LIANG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ming Siang Company Limited | Private company limited by shares | Live |
| SIANG THIEN LIMITED | Private company limited by shares | Dissolved |
| TONG SIANG COMPANY LIMITED | Private company limited by shares | Live |
| SIANG YOUNG LIMITED | Private company limited by shares | Dissolved |
| Siangan Trade Company Limited | Private company limited by shares | Dissolved |
| SIANGARA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SIANGHING ZIPPER (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIANN LIMITED | | Live |
| SIANSY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIANTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIANTUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIAO LIM LIMITED | Private company limited by shares | Dissolved |
| SIAO ADVISORY LIMITED | Private company limited by shares | Live |
| Siao Trade Development Co., Limited | Private company limited by shares | Live |
| SIAO (HK) INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Siao Trade Limited | | Live |
| SIAO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Dan Er Siao International Food Trading Limited | Private company limited by shares | Live |
| SIAO INT'L INDUSTRIAL AND TRADING LIMITED | Private company limited by shares | Live |
| SIAO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Wu Bao Siao Health Training Centre Limited | Private company limited by shares | Dissolved |
| SIARGO LIMITED | Private company limited by shares | Live |
| Siasosu Fabric Co., Limited | Private company limited by shares | Live |
| SIATEMA INVESTMENTS LIMITED | Private company limited by shares | Live |
| SIATYUN DESIGN AND CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Siavon Group (HK) CO., Limited | | Live |
| Siavon international Limited | | Live |
| Siavon Trading Limited | Private company limited by shares | Live |