| Company Name | Type | Status |
|---|---|---|
| Once 11 Limited | Private company limited by shares | Live |
| ON-CE LIMITED | Private company limited by shares | Live |
| M ONCE LIMITED | Private company limited by shares | Dissolved |
| ONE ON ONCE LIMITED | Private company limited by shares | Live |
| ALL AT ONCE LIMITED | Live | |
| DRUNK ONCE LIMITED | Private company limited by shares | Live |
| Onceaday Limited | Private company limited by shares | Live |
| OnceContact Limited | Private company limited by shares | Live |
| Oncefun Industry Co., Limited | Private company limited by shares | Live |