| DUPLEX COMPANY LIMITED | Private company limited by shares | Live |
| MY DUPLEX HK LIMITED | Private company limited by shares | Live |
| DUPLEX 2000 LIMITED | Private company limited by shares | Dissolved |
| DUPLEX CHANCE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DUPLEX TECH CO., LIMITED | Private company limited by shares | Live |
| DUPLEX TOOLS MACHINERY CO., LIMITED | Private company limited by shares | Live |
| DUPLEX TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| DUPLEX DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| DUPLEX ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DUPLEX FASHION CO., LIMITED | Private company limited by shares | Live |
| DUPLEX FULL LIMITED | Private company limited by shares | Dissolved |
| Global Duplex Limited | Private company limited by shares | Live |
| Duplex Group Limited | Private company limited by shares | Live |
| SPACE DUPLEX (HK) HOLDINGS LIMITED | Private company limited by shares | Live |
| DUPLEX (HK) TRADE LIMITED | Private company limited by shares | Live |
| DUPLEX INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| DUPLEX INVESTMENT LIMITED | Private company limited by shares | Live |
| DUPLEX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| DUPLEX TRADING LIMITED | Private company limited by shares | Dissolved |