| HAYDEN & COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hayden Company Limited | Private company limited by shares | Live |
| HAYDEN GIA LIMITED | Private company limited by shares | Live |
| Hayden Beauty Limited | Private company limited by shares | Live |
| Hayden Blaze Limited | Private company limited by shares | Live |
| HAYDEN EDWARDS LIMITED | Private company limited by shares | Dissolved |
| Hayden Harvest Limited | Private company limited by shares | Live |
| HAYDEN INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HAYDEN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Hayden International Limited | Private company limited by shares | Live |
| HAYDEN LAKE LIMITED | Private company limited by shares | Dissolved |
| Hayden Marine Co., Limited | Private company limited by shares | Live |
| HAYDEN DIAMOND PRODUCT INDUSTRY LIMITED | Private company limited by shares | Live |
| HAYDEN SECRETARIAL LIMITED | Private company limited by shares | Live |
| HAYDEN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAYDEN Trading Service Limited | Private company limited by shares | Live |
| HAYDEN'S INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HAYDEN&SAI LIMITED | | Live |