| B-SI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| B.S.I. FINANCE LIMITED | Private company limited by shares | Dissolved |
| BSIC Bigdata Limited | Private company limited by shares | Live |
| Bsic Bigdata Limited | | Live |
| B-SIDE LIMITED | Private company limited by shares | Dissolved |
| B-side Company Limited | | Live |
| B-SIDE CREATIVE AGENCY LIMITED | Private company limited by shares | Live |
| B-Sides Co., Limited | Private company limited by shares | Live |
| BSIL CHINA LIMITED | Private company limited by shares | Live |
| BSIL SUBSEA LIMITED | Private company limited by shares | Live |
| HK BSIN YU TRADING CO., LIMITED | Private company limited by shares | Live |
| BSIXING INTERNATIONAL BUSINESS LIMITED | Private company limited by shares | Live |