| WASE LIMITED | Private company limited by shares | Dissolved |
| WASEAL TRADING LIMITED | Private company limited by shares | Dissolved |
| Waseda Company Limited | Private company limited by shares | Live |
| WASEDA PROPERTIES LIMITED | Private company limited by shares | Live |
| WASEN LIMITED | Private company limited by shares | Dissolved |
| WASEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| WASEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WASENA LIMITED | Private company limited by shares | Live |
| Germany Wasengta Technology Limited | | Live |
| WASENSE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| WASENSE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |