| CO-LINK LIMITED | Private company limited by shares | Live |
| COLINK LIMITED | Private company limited by shares | Dissolved |
| Colink Technology Co., Limited | Private company limited by shares | Live |
| Colink Network Technology HK CO., Limited | Private company limited by shares | Live |
| COLINK CONSULTANCY LIMITED | Private company limited by shares | Live |
| Co-Link Consultant Limited | | Live |
| Co-Link Creative Company Limited | | Live |
| CO-LINK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CO-LINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| COLINK FIBER TRADE CO., LIMITED | Private company limited by shares | Live |
| Colink Supply Chain (HK) Co., Limited | Private company limited by shares | Live |
| Colink Electronics (HK) Co., Limited | Private company limited by shares | Live |
| COLINK HOLDINGS LIMITED | Private company limited by shares | Live |
| CO-LINK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CO-LINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CO-LINK GLOBAL LOGISTICS (HK) CO., LIMITED | Private company limited by shares | Live |
| CO-LINK TECH LIMITED | | Live |
| Colink Star Technology Limited | Private company limited by shares | Live |