| SUDO LIMITED | Private company limited by shares | Dissolved |
| SUDOFAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Henglixue Sudoku Culture Communication (China) Co., Limited | | Live |
| SUDOKU HONG KONG LIMITED | | Live |
| SUDOKU LOGISTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUDOMVILLE LIMITED | Private company limited by shares | Dissolved |
| HK SUDONG SHARE LIMITED | Private company limited by shares | Live |
| SUDONG ELECTRONIC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| SUDOSOLVE LIMITED | Private company limited by shares | Live |