| HARMONIC LIMITED | Private company limited by shares | Live |
| JJ HARMONIC LIMITED | Private company limited by shares | Live |
| NEW HARMONIC LIMITED | | Live |
| HARMONIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Harmonic Higgs Limited | Private company limited by shares | Live |
| MEGA HARMONIC ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| HARMONIC PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| Harmonic Paradise Limited | Private company limited by shares | Live |
| POWER HARMONIC LIMITED | Private company limited by shares | Live |
| HARMONIC SCENE LIMITED | Private company limited by shares | Live |
| HARMONIC OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| HARMONIC THEATRE COMPANY LIMITED | Company limited by guarantee | Live |
| Harmonic Victory Limited | Private company limited by shares | Live |
| HARMONICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Harmonica Limited | | Live |
| MUSAPHONE HARMONICA COMPANY LIMITED | Private company limited by shares | Live |
| CHEERUP ROUND HARMONICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARMONICE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |