| REACT LIMITED | Private company limited by shares | Dissolved |
| ReAct Asia Limited | | Live |
| REACT ASIA PACIFIC ASSOCIATION LIMITED | Private company limited by shares | Live |
| BRIGHT REACT LIMITED | Private company limited by shares | Live |
| CHAIN REACT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| REACT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| React Digi Limited | Private company limited by shares | Live |
| FAMOUS REACT LIMITED | Private company limited by shares | Live |
| Fast React Asia (HK) Limited | Private company limited by shares | Live |
| REACT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Re-Act Japan Holdings Limited | Private company limited by shares | Dissolved |
| OPTIMUM REACT LIMITED | Private company limited by shares | Live |
| PLAY REACT LIMITED | Private company limited by shares | Live |
| RAPID REACT LIMITED | Private company limited by shares | Live |
| SOLAR REACT LIMITED | Private company limited by shares | Live |
| REACT SOURCES LIMITED | Private company limited by shares | Dissolved |
| VASTFIELD REACT LIMITED | Private company limited by shares | Live |
| REACT-DRIVEN ZE (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| REACTION LIMITED | Private company limited by shares | Dissolved |
| Reaction Limited | Private company limited by shares | Live |
| Rex ReAction Limited | | Live |
| CHAIN REACTION LIMITED | Private company limited by shares | Dissolved |
| RE.ACTION CREATIVE COMPANY LIMITED | Private company limited by shares | Live |
| ELEMENTS REACTION CO., LIMITED | Private company limited by shares | Live |
| Reaction Products International (Hong Kong) Limited | Private company limited by shares | Dissolved |
| REACTION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Reaction Products Limited | Private company limited by shares | Live |
| REACTION & RELUXE LIMITED | Private company limited by shares | Live |
| BUSINESS TECHNOLOGY REACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Reaction Technology Service Limited | Private company limited by shares | Live |
| Reactive Commerce Limited | Private company limited by shares | Live |
| Retail Reactive HK Limited | Private company limited by shares | Live |
| REACTIVMEDIA LIMITED | Private company limited by shares | Live |
| REACTOR LIMITED | Private company limited by shares | Live |
| REACTOR TEXTILES LIMITED | Private company limited by shares | Dissolved |