| KOFA LIMITED | Private company limited by shares | Live |
| KOFA INVESTMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| KOFA ENTERPRISE LIMITED | Private company limited by shares | Live |
| HONG KONG KOFA OCEAN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| KOFA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KOFA POWER LIMITED | Private company limited by shares | Live |
| KOFA SCIENTIFIC LIMITED | Private company limited by shares | Live |
| KOFABRAYN COMPANY LIMITED | Private company limited by shares | Live |
| KOFAI COMPANY LIMITED | | Live |
| RK (KOFAI) ASSET HOLDING LIMITED | Private company limited by shares | Live |
| KOFAITH LIMITED | Private company limited by shares | Dissolved |
| KOFATA COMPANY LIMITED | Private company limited by shares | Dissolved |