| SIRI COMPANY LIMITED | Private company limited by shares | Live |
| SIRI PTY LIMITED | Private company limited by shares | Live |
| SIRI CHINA LIMITED | Private company limited by shares | Dissolved |
| SIRI IMPEX LIMITED | | Live |
| GOLD SIRI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Siri Solutions Limited | | Live |
| Wong Siri Co., Limited | Private company limited by shares | Live |
| SIRIBAN LIMITED | Private company limited by shares | Dissolved |
| SIRIDE TRADE CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Siride Technology Co. , Limited | | Live |
| SIRIETA LIMITED | Private company limited by shares | Live |
| SiriFit Limited | | Live |
| Sirimana Limited | Private company limited by shares | Live |
| SIRINTHORN IMPEX LIMITED | Private company limited by shares | Live |
| SIRIO LIMITED | Private company limited by shares | Live |
| SIRION LIMITED | Private company limited by shares | Dissolved |
| SIRIPEN LIMITED | Private company limited by shares | Live |
| A. J. SIRIS EASTERN LIMITED | Private company limited by shares | Dissolved |
| SIRIUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIRIUS ART LIMITED | Private company limited by shares | Dissolved |
| BI SIRIUS LIMITED | Private company limited by shares | Dissolved |
| SIRIUS HK LIMITED | Private company limited by shares | Dissolved |
| SIRIUS COMPANY AS LIMITED | Private company limited by shares | Live |
| SIRIUS 369 LIMITED | Private company limited by shares | Live |
| Sirius Limited | Private company limited by shares | Live |
| Sirius JMS Limited | | Live |
| SIRIUS ONE LIMITED | | Live |
| Sirius CPA Limited | | Live |
| SIRIUS ASIA LIMITED | Private company limited by shares | Dissolved |
| SIRIUS BUSINESS PUBLISHING LIMITED | Private company limited by shares | Live |
| SIRIUS CAPITAL LIMITED | Private company limited by shares | Dissolved |
| SIRIUS CAPITAL LIMITED | Private company limited by shares | Live |
| RED SIRIUS ECOMMERCE LIMITED | Private company limited by shares | Live |
| SIRIUS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIRIUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sirius Enterprises Limited | | Live |
| Sirius Entertainment Limited | Private company limited by shares | Live |
| SIRIUS FOOTWEAR LIMITED | Private company limited by shares | Live |
| Sirius Gear Company Limited | Private company limited by shares | Live |
| GOLD SIRIUS COMPANY LIMITED | Private company limited by shares | Live |
| Sirius Homz Company Limited | Private company limited by shares | Live |
| Sirius Investment Limited | Private company limited by shares | Live |
| Sirius Investment HK Limited | Private company limited by shares | Live |
| Sirius FX Investments Limited | Private company limited by shares | Live |
| Sirius Resources Limited | Private company limited by shares | Live |
| SIRIUS SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Sirius Technik Limited | Private company limited by shares | Live |
| Sirius Three Limited | Private company limited by shares | Live |
| SIRIUS TRADE LIMITED | Private company limited by shares | Live |
| Sirius Zone Limited | | Live |
| Siriusnet Limited | | Live |
| SIRIUS-SOLAR LIMITED | Private company limited by shares | Dissolved |
| SIRIUSTAR INVESTMENT LIMITED | Private company limited by shares | Live |
| MEXICO SIRIUSTEX LIMITED | Private company limited by shares | Live |
| SiriVision Communication Technology Co., Limited | Private company limited by shares | Live |