| TOPONE LIMITED | Private company limited by shares | Dissolved |
| TOPONE ACCESSORIES LIMITED | Private company limited by shares | Live |
| TOPONE BUSINESS LIMITED | Private company limited by shares | Live |
| HK TOP-ONE BUSINESS ENGINEER LIMITED | Private company limited by shares | Dissolved |
| TOPONE DYNASTY LIMITED | Private company limited by shares | Dissolved |
| TOPONE ENTERPRISE LIMITED | Private company limited by shares | Live |
| TOP-ONE ENTERPRISES LIMITED | Private company limited by shares | Live |
| TOP-ONE GLORY LIMITED | Private company limited by shares | Live |
| TOPONE HILL LIMITED | Private company limited by shares | Live |
| TOPONE INC. LIMITED | Private company limited by shares | Dissolved |
| TOPONE INVESTMENTS LIMITED | Private company limited by shares | Live |
| Topone Solution Limited | Private company limited by shares | Live |
| TOPONG COMPANY LIMITED | Private company limited by shares | Live |
| TOPONLINE LIMITED | Private company limited by shares | Live |
| TOPONLY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TOPONLY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TOPONVIEW LIMITED | Private company limited by shares | Live |