| TOPDA BUSINESS ADVISORY LIMITED | Private company limited by shares | Live |
| HK Topda Supply Chain Co., Limited | Private company limited by shares | Live |
| TOPDA MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Topda Electronics Limited | Private company limited by shares | Live |
| TOPDA INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| TOPDA INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TOPDA JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPDA AUTO PARTS CO., LIMITED | Private company limited by shares | Live |
| HK TOPDA TECHNOLOGY CO., LIMITED | | Live |
| TOPDALE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPDALE LIMITED | Private company limited by shares | Live |
| TOPDASOURCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |