| BIEL (CHINA) ENTERPRISE INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Biel Co., Limited | | Live |
| Biel E-Commerce Co., Limited | | Live |
| Biel Crystal (China) Company Limited | Private company limited by shares | Live |
| BIEL CRYSTAL INNOVATION COMPANY LIMITED | Private company limited by shares | Live |
| BIEL CRYSTAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| BIEL CRYSTAL (HK) MANUFACTORY LIMITED | Private company limited by shares | Live |
| BIEL CRYSTAL PRECISION COMPANY LIMITED | Private company limited by shares | Live |
| Biel Crystal Innovation Technology Limited | | Live |
| Biel Crystal Intelligent Technology Company Limited | | Live |
| BIEL CRYSTAL TRADING LIMITED | Private company limited by shares | Live |
| BIEL STAGE EQUIPMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| BIEL & TAF (HK) LIMITED | Private company limited by shares | Live |
| Biel & Taf (HK) Limited | Private company limited by shares | Live |
| Biel Smart Technology (HK) Company Limited | Private company limited by shares | Live |
| BIEL INTERNATIONAL CO. LIMITED | Private company limited by shares | Live |
| BIEL ASSET MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| BIEL PROPERTIES LIMITED | Private company limited by shares | Live |
| BIEL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BIELD INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIELECT HK LIMITED | Private company limited by shares | Live |
| DE BIELENBERG INVEST LIMITED | Private company limited by shares | Live |
| Bielomatik (Hong Kong) Limited | | Live |
| BIELOMATIK MACHINERY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |