| Company Name | Type | Status |
|---|---|---|
| HONGKONG HEYN OPTICS LIMITED | Live | |
| HEYNATURE LIMITED | Private company limited by shares | Live |
| Heyne Limited | Live | |
| HEYNES ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HEYNOLD LIMITED | Private company limited by shares | Dissolved |
| HEY'NOVATION CONSULTANCY LIMITED | Private company limited by shares | Live |