| ONEREST LIMITED | | Live |
| Onergy International Company Limited | | Live |
| ONERICH LIMITED | Private company limited by shares | Dissolved |
| ZHEJIANG ONERO VALVE CO., LIMITED | Private company limited by shares | Live |
| ONERO PAPER CRAFT CO., LIMITED | Private company limited by shares | Live |
| QINGDAO ONEROAD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ONEROUS ELECTRONIC (WORKS) LIMITED | Private company limited by shares | Dissolved |
| OneRule Electric Limited | Private company limited by shares | Live |
| ONES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ones Limited | Private company limited by shares | Live |
| NU ONES LIMITED | Private company limited by shares | Live |
| C ONE'S Limited | Private company limited by shares | Live |
| ONES & ONES LIMITED | | Live |
| Ones Limited | | Live |
| Blessed Ones Company Limited -The- | Private company limited by shares | Live |
| One's Cafe Limited | Private company limited by shares | Live |
| ONES JEWELRY CO., LIMITED | Private company limited by shares | Live |
| ONES SHIPPING CO., LIMITED | Private company limited by shares | Live |
| ONE'S DESIGN LIMITED | Private company limited by shares | Live |
| ONE'S DOZEN COMPANY LIMITED | Private company limited by shares | Live |
| EXCELLENT ONES LIMITED | Private company limited by shares | Live |
| Ones Fitness Limited | Private company limited by shares | Live |
| ONE'S GIFT LIMITED | Private company limited by shares | Live |
| CAR IN ONES GROUP LIMITED | Private company limited by shares | Live |
| ONES GROUP LIMITED | | Live |
| ONE'S IDEA INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| EXCELLENT ONES INVESTMENTS LIMITED | Private company limited by shares | Live |
| BEST ONE'S QUALITY LIMITED | Private company limited by shares | Dissolved |
| ONES SOFTWARE LIMITED | Private company limited by shares | Live |
| One's Space Company Limited | Private company limited by shares | Live |
| SUNNY ONES LIMITED | | Live |
| Ones Technology Limited | Private company limited by shares | Live |
| THREE ONE'S LIMITED | Private company limited by shares | Live |
| ONES TRADING LIMITED | Private company limited by shares | Live |
| WORTHY ONES LIMITED | Private company limited by shares | Live |
| ONES AND ZEROS REALITY LIMITED | | Live |
| ONESAIL HK LIMITED | Private company limited by shares | Live |
| ONESBOX INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| ONESCAN CO. , LIMITED | | Live |
| ONESCO ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Onesday International LIMITED | | Live |
| ONESEA LIMITED | Private company limited by shares | Dissolved |
| ONESELF LIMITED | Private company limited by shares | Live |
| oneshandmadethings Limited | Private company limited by shares | Live |
| HK ONESHINE INT'L TRADING INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| ONESHING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Oneship Limited | Private company limited by shares | Live |
| Oneshoo Limited | | Live |
| ONESHOP LIMITED | Private company limited by shares | Dissolved |
| ONESHOP LIMITED | Private company limited by shares | Live |
| Oneshot FTR Limited | Private company limited by shares | Live |
| AMERICA ONESHOW CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ONESHOW TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ONESHOW INTERNET SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| ONESIA GROUP LIMITED | Private company limited by shares | Live |
| Onesight Limited | Private company limited by shares | Live |
| ONESIME LIMITED | Private company limited by shares | Live |
| ONESIN LIMITED | Private company limited by shares | Live |
| ONESIPHORUS CHURCH LIMITED | Company limited by guarantee | Live |
| ONESIPHORUS MEI LAM CHURCH LIMITED | Company limited by guarantee | Live |
| ONESKY LIMITED | Private company limited by shares | Dissolved |
| OneSky Inc. Limited | Private company limited by shares | Live |
| OneSmarter Limited | Private company limited by shares | Live |
| ONESOAR (HONG KONG) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| APAC OneSolution Limited | Private company limited by shares | Live |
| GATEWAY ONESOLUTION LIMITED | Private company limited by shares | Dissolved |
| OneSolution Innotech Limited | | Live |
| Hong Kong Onesound Technology Co., Limited | | Live |
| ONESOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| OneSource Global Limited | Private company limited by shares | Live |
| ONESOURCE GLOBALS LIMITED | Private company limited by shares | Dissolved |
| OneSource IML Hong Kong Limited | Private company limited by shares | Dissolved |
| ONESOURCE SUPPLY LIMITED | Private company limited by shares | Live |
| Onesourcer Limited | Private company limited by shares | Live |
| One-Sphere Education Limited | Private company limited by shares | Live |
| ONESPORT LIMITED | Private company limited by shares | Live |
| ONESS CREATIVE CONSULTANCY LIMITED | Private company limited by shares | Live |
| Oness Capital Group Limited | Private company limited by shares | Live |
| ONESTANDARD TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| ONESTAR ASSET HOLDING LIMITED | Private company limited by shares | Live |
| Onestar Education Limited | | Live |
| ONESTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OneStart Limited | Private company limited by shares | Live |
| OneStart Business Agency Limited | Private company limited by shares | Dissolved |
| OneStart Group Limited | Private company limited by shares | Live |
| OneStart (Nominees) Limited | Private company limited by shares | Dissolved |
| OneStart Secretaries Limited | Private company limited by shares | Live |
| OneStart HR Services Limited | Private company limited by shares | Live |
| Onestart Workshop Limited | Private company limited by shares | Live |
| OneSteel Asia Limited | Private company limited by shares | Live |
| Onesteel HK Co., Limited | Private company limited by shares | Dissolved |
| OneSteel Recycling Hong Kong Limited | Private company limited by shares | Live |
| OneSteel Recycling Asia Limited | Private company limited by shares | Live |
| OneStep Licensing Limited | Private company limited by shares | Live |
| One-step Sports Company Limited | Private company limited by shares | Live |
| ONESTEPS LIMITED | Private company limited by shares | Live |
| ONESTISSIMO FOTO LIMITED | Private company limited by shares | Live |
| Onesto CPA Limited | Private company limited by shares | Live |
| ONESTO FOTO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONESTONE TECHNOLOGY LIMITED | Private company limited by shares | Live |