| O-NET LASERS LIMITED | Private company limited by shares | Dissolved |
| O-Net WaveTouch Limited | Private company limited by shares | Live |
| ONETABLE TECHNOLOGY LIMITED | | Live |
| OneTalk Group Limited | Private company limited by shares | Live |
| ONETALKX LIMITED | Private company limited by shares | Live |
| ONETEAM ASIA LIMITED | Private company limited by shares | Live |
| ONETEC COMPANY LIMITED | Private company limited by shares | Live |
| ONETEC ELECTRONICS LIMITED | Private company limited by shares | Live |
| ONETEC PRODUCT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONE-TECH LIMITED | Private company limited by shares | Live |
| ONETECH SOLUTION LIMITED | Private company limited by shares | Dissolved |
| ONETECH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK ONE-TECHCOMP ELECTRONICS LIMITED | Private company limited by shares | Live |
| ONETEK LIMITED | Private company limited by shares | Live |
| ONE.TEL LIMITED | Private company limited by shares | Live |
| ONETELECOM ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONETEL.NET LIMITED | Private company limited by shares | Live |
| HK ONETEX COMPANY LIMITED | Private company limited by shares | Live |
| ONETEX CO., LIMITED | Private company limited by shares | Live |
| ONETEX FASHION LIMITED | Private company limited by shares | Live |
| NANJING ONETEX LIMITED | Private company limited by shares | Live |
| ONETHING (CHINA) LIMITED | Private company limited by shares | Live |
| Onething Core Hong Kong Limited | | Live |
| HK ONETHING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| OneThird Limited | Private company limited by shares | Live |
| ONE-THREE-EIGHT LIMITED | Private company limited by shares | Live |
| ONETIG LIMITED | Private company limited by shares | Live |
| FINLAND ONETIME HOLDINGS GROUP LIMITED | Private company limited by shares | Live |
| onetime Information technology CO., LIMITED | Private company limited by shares | Live |
| ONETIME TRADING LIMITED | Private company limited by shares | Live |
| ONETLINK TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| OneTogether Creative & Retail Management Group Limited | | Live |
| ONETOO LIMITED | | Live |
| ONEtoONE CF Limited | Private company limited by shares | Live |
| OneTop Trade Co., Limited | Private company limited by shares | Live |
| OneTop Solution Company Limited | Private company limited by shares | Live |
| ONETOP TECH LIMITED | Private company limited by shares | Live |
| OneTop HK Technology Limited | Private company limited by shares | Live |
| ONETOUCH LIMITED | Private company limited by shares | Live |
| HK One-Touch Consultant Co., Limited | | Live |
| OneTouch Consulting Limited | Private company limited by shares | Live |
| ONETOUCH EXPORT LIMITED | Private company limited by shares | Live |
| Hong Kong Onetouch Limited | Private company limited by shares | Live |
| ONETOUCH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| OneTouch International Limited | Private company limited by shares | Live |
| Hunan OneTouch Business Service Co., Limited | Private company limited by shares | Live |
| ONETRACK STUDIO LIMITED | | Live |
| ONETRAGEN LIMITED | Private company limited by shares | Live |
| ONE-TRANS SHIPPING CO., LIMITED | Private company limited by shares | Live |
| OneTransact Limited | Private company limited by shares | Live |
| Onetree EV Co., Limited | | Live |
| Onetree enterprises Limited | Private company limited by shares | Live |
| Onetreehill Limited | Private company limited by shares | Live |
| Onetron Electronics Company Limited | Private company limited by shares | Live |
| ONETRONIC LIMITED | Private company limited by shares | Dissolved |
| Onett Consulting Limited | Private company limited by shares | Live |
| HONGKONG ONE-TU HOME FURNISHINGS HOLDING LIMITED | Private company limited by shares | Dissolved |
| ONETV LIMITED | Private company limited by shares | Dissolved |
| ONETWOCOMPANY LIMITED | Private company limited by shares | Live |
| ONETWOFIVE LIMITED | Private company limited by shares | Live |
| ONE-TWO-GO AIRLINES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Onetwosix Co. Limited | | Live |
| ONETWOTHREE DIGITAL LIMITED | | Live |
| ONETWOTHREE GLOBAL TRADING LIMITED | | Live |
| Onetwothree123smile Company Limited | Private company limited by shares | Live |