| KONTA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KONTA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KONTAC LIMITED | Private company limited by shares | Dissolved |
| KONTACHY LIMITED | Private company limited by shares | Dissolved |
| KontactApp Limited | | Live |
| KONTAI LIMITED | Private company limited by shares | Dissolved |
| KONTAK LIMITED | Private company limited by shares | Dissolved |
| KONTAK ENTERPRISES LIMITED | Private company limited by shares | Live |
| KONTAKT LIMITED | Private company limited by shares | Dissolved |
| KONTAKT LIMITED | Private company limited by shares | Live |
| KONTAL LIMITED | Private company limited by shares | Live |
| KONTAM PHARMACEUTICALS CO., LIMITED | Private company limited by shares | Live |
| KONTAM PHARMACEUTICALS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| KONTAM PHARMACEUTICALS (ZHONGSHAN) CO. LIMITED | Private company limited by shares | Live |
| KONTARE TRADING LIMITED | Private company limited by shares | Dissolved |
| KONTAT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KONTAU TRADING LIMITED | Private company limited by shares | Dissolved |
| KONTAVILY LIMITED | Private company limited by shares | Dissolved |
| KONTAX LIMITED | Private company limited by shares | Dissolved |
| KONTAX INVESTMENT LIMITED | Private company limited by shares | Dissolved |