| Breakthrough Energy Holdings Limited | Private company limited by shares | Live |
| Breakthrough Innovation Limited | Private company limited by shares | Live |
| Innovation Breakthrough Limited | | Live |
| BREAKTHROUGH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIGMA BREAKTHROUGH TECHNOLOGIES INTERNATIONAL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Breakthrough Lubricants (USA) Group Co., Limited | Private company limited by shares | Live |
| BREAKTHROUGH CONSTRUCTION MATERIAL CO. LIMITED | Private company limited by shares | Live |
| BREAKTHROUGH MATERIAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH MOVIE COMPANY LIMITED | Private company limited by shares | Live |
| Breakthrough Partner Limited | Private company limited by shares | Live |
| HK Performance Breakthrough Landing Academy Limited | Private company limited by shares | Live |
| English Breakthrough Systems Limited | Private company limited by shares | Live |
| Breakthrough Tactics Limited | Private company limited by shares | Live |
| BREAKTHROUGH TECH INVESTMENT LIMITED | Private company limited by shares | Live |
| Breakthrough Technologies Limited | Private company limited by shares | Live |
| SIGMA BREAKTHROUGH TECHNOLOGIES INTERNATIONAL-CHINA LIMITED | Private company limited by shares | Live |
| SIGMA BREAKTHROUGH TECHNOLOGIES INTERNATIONAL-DESIGN LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Breakthrough Nano Technology Company Limited | Private company limited by shares | Live |
| Breakthrough Ventures Limited | Private company limited by shares | Live |
| SOFTWARE BREAKTHROUGHS CO. (ASIA) LIMITED | Private company limited by shares | Dissolved |
| BREAKTIME COMPANY LIMITED | Private company limited by shares | Live |
| Breakup Tours Limited | Private company limited by shares | Live |
| BREAKWATER CO., LIMITED | | Live |
| Breakwave Shipping Limited | | Live |