| Aoyama Limited | | Live |
| AOYAMA CAPITAL LIMITED | Private company limited by shares | Live |
| AOYAMA BAG CO., LIMITED | Private company limited by shares | Live |
| AOYAMA TSUSHO CO., LIMITED | Private company limited by shares | Live |
| AOYAMA ENGINEERING LIMITED | Private company limited by shares | Live |
| AOYAMA (GROUP) LIMITED | Private company limited by shares | Live |
| AOYAMA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| AOYAMA KAISHA LIMITED | Private company limited by shares | Dissolved |
| AOYAMA NOTEBOOKS LIMITED | Private company limited by shares | Live |
| AOYAMA OPTICAL HONG KONG CO., LIMITED | Private company limited by shares | Live |
| Aoyama REAX Hong Kong Limited | | Live |
| AOYAMA TECHNOLOGY CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| AOYAMA TRADE LIMITED | Private company limited by shares | Live |
| AOYAMA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |