| HIGHTON LIMITED | Private company limited by shares | Dissolved |
| HIGHTON LIMITED | Private company limited by shares | Live |
| HIGHTON INVESTMENT LIMITED | Private company limited by shares | Live |
| HIGHTONE PUBLISHING LIMITED | Private company limited by shares | Live |
| High-Toned Opto Technology (Hong Kong) Limited | Private company limited by shares | Live |
| HIGHTOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TOOL CO., LIMITED | Private company limited by shares | Live |
| HIGHTOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEW HIGHTOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| HK HIGH-TOP HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP GROUP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK HIGHTOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP METAL LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP OVERSEAS LIMITED | Private company limited by shares | Live |
| HIGHTOP PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP ELECTRONICS TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP OCEAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOUCH LIMITED | Private company limited by shares | Live |
| HIGHTECH AND HIGH-TOUCH LIMITED | Private company limited by shares | Live |
| HIGHTOUCH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hightower HK Limited | | Live |
| Hightower Investments Co., Limited | Private company limited by shares | Live |
| Hightower Asia Pacific Limited | Private company limited by shares | Live |
| HIGHTOWER TRADING LIMITED | Private company limited by shares | Live |
| HIGHTOWN ESTATES LIMITED | Private company limited by shares | Dissolved |
| ITALY HIGHTOWN INTERNATIONAL LIMITED | Private company limited by shares | Live |