| HEYDAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK HEYDAY RED LIMITED | Private company limited by shares | Dissolved |
| HEYDAY LIMITED | Private company limited by shares | Live |
| Heyday Enterprise Limited | | Live |
| HEYDAY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| GOLD HEYDAY LIMITED | Private company limited by shares | Live |
| HEYDAY TEAM LIMITED | Private company limited by shares | Dissolved |
| Heydays Company Limited | Private company limited by shares | Live |
| Heydays Asia Limited | Private company limited by shares | Dissolved |
| HEYDAYSSS LIMITED | Private company limited by shares | Live |