| Siege (Hong Kong) Limited | Private company limited by shares | Live |
| Italian Siege International Group Limited | | Live |
| SIEGEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIEGEN LIMITED | Private company limited by shares | Live |
| SIEGEON INDUSTRIAL CORPORATION LIMITED | Private company limited by shares | Live |
| SAG SIEGER LIMITED | Private company limited by shares | Dissolved |
| SIEGER LIMITED | Private company limited by shares | Live |
| Sieger CPA Limited | Private company limited by shares | Live |
| SIEGER MULTI-MEDIA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Germany Siegerland Beer (HK) Co., Limited | Private company limited by shares | Live |