| Company Name | Type | Status |
|---|---|---|
| HKCO ORCHESTRAL ACADEMY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Nov-2010 |
| Orchestral Music Limited | Private company limited by shares | Live |
| Orchestral Music Productions Limited | Live | |
| Orchestral Spectrum Limited | Private company limited by shares | Live |
| Orchestrall Healthcare Limited | Private company limited by shares | Live |