| Buttonwood International Limited | Private company limited by shares | Live |
| BUTTONWOOD LEGAL CAPITAL LIMITED | Private company limited by shares | Live |
| Buttonwood Protocol Limited | Private company limited by shares | Live |
| Tempus And Buttonwood Company Limited | Private company limited by shares | Live |
| BUTTONY LIMITED | Private company limited by shares | Dissolved |
| BUTTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUTTSON LIMITED | Private company limited by shares | Dissolved |
| BUTU1JP CO., LIMITED | | Live |
| BUTUT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUTVAY FASHIONS LIMITED | Private company limited by shares | Live |
| BUTWAY LIMITED | Private company limited by shares | Dissolved |
| BUTWE INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| BUTWO CO., LIMITED | | Live |
| BUTYCARE GLOBAL BUSINESS CO., LIMITED | | Live |
| BUTYY COMPANY LIMITED | Private company limited by shares | Live |