| YAMAMOTO AV LIMITED | Private company limited by shares | Dissolved |
| YAMAMOTO LIMITED | Private company limited by shares | Dissolved |
| Yamamoto Limited | | Live |
| Yamamoto Amusement Limited | Private company limited by shares | Live |
| Yamamoto Family Company Limited | Private company limited by shares | Dissolved |
| YAMAMOTO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KO YAMAMOTO SHOTEN LIMITED | Private company limited by shares | Live |
| YAMAMOTO TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Success Yamamoto Trading Company Limited | Private company limited by shares | Live |
| YAMAMOTO AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |