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| New Reduction Co. Limited | Private company limited by shares | Live |
| China Weight Reduction Alliance Limited | Private company limited by shares | Live |
| GREEN POWER REDUCTION LIMITED | Private company limited by shares | Dissolved |
| Emission Reduction Technology (Hong Kong) Limited | | Live |
| Salt Reduction Technologies Limited | Private company limited by shares | Live |
| Disaster Reduction & Resilience Solutions Limited | Private company limited by shares | Live |
| REDUIT LIMITED | Private company limited by shares | Dissolved |
| REDUNION RESOURCES LIMITED | Private company limited by shares | Dissolved |
| REDUS LIMITED | Private company limited by shares | Live |
| Redux & Co Limited | Private company limited by shares | Live |
| REDUX TECH LIMITED | | Live |
| REDUXCO ASIA GROUP LIMITED | Private company limited by shares | Live |