| 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 |