| Company Name | Type | Status |
|---|---|---|
| PIANOFORTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIANOFORTE LIMITED | Private company limited by shares | Live |
| Pianoforte Asia Pacific Limited | Private company limited by shares | Live |
| HK AYA PIANOFORTE SHARES LIMITED | Private company limited by shares | Live |
| PIANOFORTE STUDIO LIMITED | Private company limited by shares | Live |