| HATA LIMITED | Private company limited by shares | Dissolved |
| HATA DENSO ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| HATA Consults Limited | Private company limited by shares | Live |
| HATA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HATA ELECTRIC (HK) COMPANY LIMITED | Private company limited by shares | Live |
| HATA INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| HATAC INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Hatachi Izakaya Japanese Restaurant Limited | | Live |
| HATAI (HK) MANUFACTURE GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HATAI GROUP LIMITED | | Live |
| HATAI JEWELRY COMPANY LIMITED | | Live |
| Hatai Management Services Limited | Private company limited by shares | Live |
| HATAKEN (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| HATAKEYAMA ENGINEERING HONG KONG CO., LIMITED | Private company limited by shares | Live |
| HATAY OVAKENT LIMITED | Private company limited by shares | Live |