| AURORA OSEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Osea Technology Co., Limited | Private company limited by shares | Live |
| ATEX DISTRIBUTION CENTER OSEA LIMITED | Private company limited by shares | Live |
| OSEA ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Osea Engineering & Management Co., Limited | Private company limited by shares | Live |
| Osea Group Limited | Private company limited by shares | Live |
| OSEA INTERNATIONAL (HONG KONG) LIMITED | | Live |
| OSEA INTERNATIONAL INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| O-SEA SPORTS MANAGEMENT LIMITED | Private company limited by shares | Live |
| Osea Marine Tour Company Limited | Private company limited by shares | Live |
| HK OSEA TRADE LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Dec-2015 |
| WINGALL OSEA LIMITED | Private company limited by shares | Dissolved |
| OSEADO LIMITED | Private company limited by shares | Dissolved |
| Oseads Limited | | Live |
| OSEASY SOLUTIONS CO., LIMITED | Private company limited by shares | Live |
| OSEBERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ZHEJIANG OSEE IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| GUANGDONG OSEI TRADE CO., LIMITED | Private company limited by shares | Live |
| OSEL LIMITED | Private company limited by shares | Live |
| OSEL NYINGPO LIMITED | Company limited by guarantee | Live |
| OSELAP MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| OSell China Limited | | Live |
| Osell DinoDirect China Limited | Private company limited by shares | Live |
| OSELLI LIMITED | Private company limited by shares | Live |
| OSEMEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Deutschland Osemi (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Osen Limited | Private company limited by shares | Live |
| OSENON Group (Asia) Limited | Private company limited by shares | Live |
| Osense Limited | Private company limited by shares | Live |
| OSEOLA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOREA OSEONG TRADE LIMITED | Private company limited by shares | Live |
| OSEQUE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| OSER DESIGN LIMITED | Private company limited by shares | Dissolved |
| OSER TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Oseriz Technology Limited | | Live |
| OSESTER LIMITED | Private company limited by shares | Live |
| O-SET LIMITED | Private company limited by shares | Live |
| OSEWAYA Co., LIMITED | Private company limited by shares | Live |