| HIGHMAX CORPORATION LIMITED | Private company limited by shares | Live |
| GOLD HIGHMAX LIMITED | Private company limited by shares | Live |
| HIGHMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGHMAX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHMAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| HIGHMAX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHMAY LIMITED | Private company limited by shares | Live |
| HIGHMAY INTERNATIONAL ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| HIGHMED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HIGHMIEN SOLAR ENERGY INT'L TECHNOLOGY DEV. LIMITED | Private company limited by shares | Dissolved |
| HIGH-MILLION LIMITED | Private company limited by shares | Dissolved |
| HighMob Technology Limited | Private company limited by shares | Live |
| HighMobi Co., Limited | Private company limited by shares | Live |
| HighMobi Technology Limited | Private company limited by shares | Live |
| Highmoon IOT HK Limited | | Live |
| HIGHMOOR ENTERPRISES LIMITED | Private company limited by shares | Live |
| HIGHMOST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHMOUNT VENTURE LIMITED | Private company limited by shares | Live |
| HIGH-MOUNTAIN IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| HIGHMOUNTAIN GROUP LIMITED | Private company limited by shares | Dissolved |
| HIGHNAME COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHNAME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ABOVE HIGHNESS LIMITED | Private company limited by shares | Live |
| HIGHNESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| EXTRA HIGHNESS LIMITED | Private company limited by shares | Live |
| HIGHNESS FINANCE LIMITED | Private company limited by shares | Dissolved |
| GRAND HIGHNESS LIMITED | Private company limited by shares | Dissolved |
| HIGHNESS JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| HIGHNESS RESTAURANT, LIMITED | Private company limited by shares | Dissolved |
| HIGHNET TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHNEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHNIC ASIA LIMITED | Private company limited by shares | Live |
| HIGHNIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHNIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HIGHNIC TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHNICE LIMITED | Private company limited by shares | Dissolved |
| HIGHNOON LIMITED | Private company limited by shares | Live |
| HIGHNOON LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| HIGHNOTE LIMITED | Private company limited by shares | Dissolved |
| SHANDONG HIGHNOU INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HIGHOST LIMITED | Private company limited by shares | Dissolved |
| HIGHPAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHPEAK INVESTMENTS LIMITED | Private company limited by shares | Live |
| HIGHPEARL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG LONGFENG HIGH-PERFORMANCE ORGANIC LIMITED | Private company limited by shares | Live |
| Po Wah (Highplan) Limited | Private company limited by shares | Live |
| TONDA (HIGHPLAN) LIMITED | Private company limited by shares | Live |
| HIGHPLUS LIMITED | Private company limited by shares | Dissolved |
| HIGHPOINT LIMITED | Private company limited by shares | Dissolved |
| Highpoint HK Limited | | Live |
| HIGHPOST LIMITED | Private company limited by shares | Dissolved |
| HIGHPOT LIMITED | Private company limited by shares | Live |
| Highpowerpanda Limited | Private company limited by shares | Live |
| HIGHPRESS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HIGHPRESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGHPRO LIMITED | Private company limited by shares | Dissolved |
| HIGH-PRO LIMITED | Private company limited by shares | Live |
| HIGHPRO ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Highpro Design Engineering Limited | Private company limited by shares | Live |
| HIGHPRO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHPRO INVESTMENT LIMITED | Private company limited by shares | Live |
| HIGH-PROFESSIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGH-Q INDUSTRIAL (GROUP) LIMITED | Private company limited by shares | Live |
| HIGH-Q INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGH-Q INTERNATIONAL (GROUP) LIMITED | Private company limited by shares | Live |
| HIGH-Q INVESTMENTS LIMITED | Private company limited by shares | Live |
| Highracing Limited | Private company limited by shares | Live |
| HIGHRANGE LIMITED | Private company limited by shares | Dissolved |
| HIGHRANK LIMITED | Private company limited by shares | Dissolved |
| HIGHREAL LIMITED | Private company limited by shares | Dissolved |
| HIGHREGENT LIMITED | Private company limited by shares | Dissolved |
| HIGHREGENT LIMITED | Private company limited by shares | Dissolved |
| HIGHRICH LIMITED | Private company limited by shares | Dissolved |
| HIGHRICH LIMITED | Private company limited by shares | Live |
| HIGHRIDER LIMITED | Private company limited by shares | Live |
| HIGHRIDER INVESTMENTS LIMITED | Private company limited by shares | Live |
| HIGHRIDERS LIMITED -THE- | Private company limited by shares | Dissolved |
| HIGHRIFE LIMITED | Private company limited by shares | Dissolved |
| HIGHRIGHT LIMITED | Private company limited by shares | Live |
| HIGHRISE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HIGHRISE TECHNIQUES LIMITED | Private company limited by shares | Dissolved |
| HIGHRISE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HIGHRIVER ESTATES LIMITED | Private company limited by shares | Live |
| HIGHROOT COMPANY LIMITED | Private company limited by shares | Live |
| HIGHRULE LIMITED | Private company limited by shares | Dissolved |
| HIGHS BUSINESS LIMITED | Private company limited by shares | Live |
| CHINA HIGHS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| NEW HIGHS CONSULTING SERVICE CO., LIMITED | Private company limited by shares | Live |
| DRAGON HIGHS LIMITED | Private company limited by shares | Dissolved |
| HIGHSA INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HIGHSALES COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHSANE LIMITED | Private company limited by shares | Dissolved |
| HIGHSCALE LIMITED | Private company limited by shares | Dissolved |
| HIGHSCENE LIMITED | Private company limited by shares | Live |
| Highscience Electronics Co., Limited | Private company limited by shares | Live |
| HONG KONG HIGH-SCIENCE MACHINERY CO., LIMITED | Private company limited by shares | Dissolved |
| HIGH-SCIENCE MACHINERY LIMITED | Private company limited by shares | Live |
| HIGHSCOPE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHSCORE EDUCATION COMPANY LIMITED | | Live |
| HIGHSCREEN LIMITED | Private company limited by shares | Live |