| 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 |