| SEON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEON LIMITED | Private company limited by shares | Live |
| WING SEON ENTERPRISE HOLDING CO., LIMITED | Private company limited by shares | Live |
| HANG SEON SEONG HOU LIMITED | Private company limited by shares | Live |
| Hang Seon Textiles Limited | Private company limited by shares | Live |
| SEON TAK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Tin Lung Seon Company Limited | | Live |
| Nok Seon Pharmacy Limited | | Live |
| SEON SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| Seon Taai Limited | | Live |
| Wai Seon Technology Limited | Private company limited by shares | Live |
| SEON LEE TRADE LIMITED | Private company limited by shares | Live |
| SEON TRADING LIMITED | Private company limited by shares | Dissolved |
| Nok Seon Trading Limited | Private company limited by shares | Live |
| Wai Seon Trading Limited | Private company limited by shares | Live |
| HK SEON YUE TRADING LIMITED | | Live |
| Seon4 Limited | | Live |
| SEONCING TRADE CO., LIMITED | Private company limited by shares | Live |
| Seone Tax Limited | Private company limited by shares | Live |
| Seone Business Solutions Limited | Private company limited by shares | Live |
| 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 |
| HK Seonic Technology Limited | | Live |
| Seonok Corporate Limited | Private company limited by shares | Live |
| ITALY SEONONS CO., LIMITED | Private company limited by shares | Live |
| SEONOVUM LIMITED | Private company limited by shares | Live |