| TOP.CH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Topch Trade Limited | | Live |
| 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 |
| TOPCHAMP TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TOP-CHANCE HOLDING CO., LIMITED | Private company limited by shares | Live |
| TOPCHANCE CORPORATION LIMITED | Private company limited by shares | Live |
| NINGBO TOPCHANCE ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| TOPCHANCE INTERNATIONAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TOPCHANCE SUPPLYCHAIN LIMITED | Private company limited by shares | Live |
| TOPCHANCE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TOPCHANG INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| TOPCHARD LIMITED | Private company limited by shares | Dissolved |
| TOPCHASE LIMITED | Private company limited by shares | Live |
| Topchat International Limited | | Live |
| TOPCHEER LIMITED | Private company limited by shares | Dissolved |
| TOPCHEER ADVERTISING LIMITED | Private company limited by shares | Live |
| TOPCHEK SYSTEM CO., LIMITED | Private company limited by shares | Live |
| TOPCHERRY LIMITED | Private company limited by shares | Dissolved |
| TOPCHESS LIMITED | Private company limited by shares | Dissolved |
| TOPCHIEFS LIMITED | Private company limited by shares | Live |
| Topchip Limited | Private company limited by shares | Live |
| Topchips Technology (Hong Kong) Company Limited | | Live |
| TOPCHIT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TOPCHN INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOPCHOICE (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| HongKong Topchoice Catering Equipment Trading Co., Limited | Private company limited by shares | Live |
| TOPCHOICE ENGINEERING LIMITED | Private company limited by shares | Live |
| TOPCHOICE GROUP (H.K.) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Topchoice Industry Co., Limited | Private company limited by shares | Live |
| TopChoice Medical Information Industry Limited | Private company limited by shares | Live |
| TopChoice Property (China) Limited | Private company limited by shares | Dissolved |
| Quanzhou Topchoice (HK) Trading Company Limited | Private company limited by shares | Live |