| TOPCHAIN GROUP CO., LIMITED | Private company limited by shares | Live |
| Topchain Consulting Limited | | Live |
| TOPCHAIN ELECTRONICS HK LIMITED | Private company limited by shares | Live |
| TOPCHAIN (HONG KONG) HOLDINGS LIMITED | Private company limited by shares | Live |
| Topchain (Hong Kong) Property Agency Limited | Private company limited by shares | Live |
| TOP-CHAIN LOGISTICS (HK) LIMITED | Private company limited by shares | Live |
| TOPCHAIN REALESTATE MANAGEMENT LIMITED | Private company limited by shares | Live |
| Topchain Property Services Limited | Private company limited by shares | Live |
| HANGZHOU TOPCHAIN TRANSMISSION CO., LIMITED | Private company limited by shares | Live |