| BREAKTHROUGH LIMITED | Company limited by guarantee | Live |
| BREAKTHROUGH ADVISORY LIMITED | Private company limited by shares | Live |
| Breakthrough & Brainstorming Company Limited | Private company limited by shares | Live |
| BREAKTHROUGH COMPUTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH CONSULTING LIMITED | Private company limited by shares | Live |
| Breakthrough Design Company Limited | Private company limited by shares | Live |
| BREAKTHROUGH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| BREAKTHROUGH (JUVENILE DEVELOPMENT) LIMITED | Company limited by guarantee | Live |
| BREAKTHROUGH ENGINEERING LIMITED | Private company limited by shares | Live |
| BREAKTHROUGH ENTERPRISE LIMITED | Private company limited by shares | Live |
| Breakthrough Enterprise Limited | Private company limited by shares | Live |
| BREAKTHROUGH FRONTIERS ENTERPRISE LIMITED | Private company limited by shares | Live |
| BREAKTHROUGH GROUP LIMITED | Private company limited by shares | Live |
| BREAKTHROUGH TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| 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 |