| Outo Limited | | Live |
| OUTOFCAFE COMPANY LIMITED | Private company limited by shares | Live |
| Out-of-da-Box Company Limited | Private company limited by shares | Live |
| OUTOFSOCKS LIMITED | Private company limited by shares | Dissolved |
| OUT-OF-THE BOX HAMPER & GIFT COMPANY LIMITED | Private company limited by shares | Live |
| Out-of-the-Box Consultancy Private Limited | Private company limited by shares | Live |
| Outogou Limited | Private company limited by shares | Live |
| OUTOKUMPU ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| OUTOOL TECHNIC MFG CO. LIMITED | Private company limited by shares | Live |
| Outopian Limited | | Live |
| Outou Guomao (Hong Kong) Import and Export Co., Limited | | Live |