| KOOM LIMITED | Private company limited by shares | Live |
| HK KOOMA TRADING LIMITED | | Live |
| KOOMAK GROUP LIMITED | Private company limited by shares | Live |
| KOOMALL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Koomango Limited | Private company limited by shares | Live |
| KOOMARK CONSULTING CO., LIMITED | Private company limited by shares | Live |
| Koomars Auto Accessory Co., Limited | Private company limited by shares | Live |
| KOOMAX DIGITAL CO., LIMITED | Private company limited by shares | Dissolved |
| HK KOOMI CO ., LIMITED | Private company limited by shares | Live |
| KOOMI TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KOOMOOLOO Limited | Private company limited by shares | Live |
| KOOMY E-COMMERCE LIMITED | | Live |