| SEONG WIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| O SEONG LIMITED | Private company limited by shares | Live |
| SEONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| O SEONG F&B LIMITED | Private company limited by shares | Live |
| SEONG AI LIMITED | Private company limited by shares | Live |
| SHENZHEN KIM SEONG CO., LIMITED | Private company limited by shares | Live |
| Kwang Seong EnC Limited | Private company limited by shares | Dissolved |
| SEONGEN TECHNOLOGY CO., LIMITED | | Live |
| BK SEONGHO TRADING LIMITED | Private company limited by shares | Live |
| SEONGWOO TRADING LIMITED | | Live |