| Kcolefas Limited | Private company limited by shares | Live |
| KCOM. CO. Limited | Private company limited by shares | Live |
| K.COM TRADING LIMITED | Private company limited by shares | Live |
| K-COMFIER LIMITED | Private company limited by shares | Live |
| K-CONCEPT COMPANY LIMITED | Private company limited by shares | Live |
| K-CONCEPT ASIA CO. LIMITED | Private company limited by shares | Dissolved |
| K-CONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KCONE LIMITED | Private company limited by shares | Dissolved |
| KCONMEDIA GROUP LIMITED | Private company limited by shares | Dissolved |
| KConnect Company Limited | Private company limited by shares | Dissolved |
| K-CONSULTING LIMITED | Private company limited by shares | Dissolved |
| K-CORE COMPANY LIMITED | Private company limited by shares | Live |
| K&CORPORATION CO., LIMITED | Private company limited by shares | Dissolved |
| Yosun HONG KCorporation Limited | Private company limited by shares | Live |
| KCOSIT TECH LIMITED | Private company limited by shares | Live |