| OneChoice Limited | | Live |
| ONECINE TEXTILES LIMITED | Private company limited by shares | Dissolved |
| ONECLICK ONLINE SERVICE LIMITED | Private company limited by shares | Live |
| OneClick Solutions Limited | | Live |
| OneClickBusiness Limited | Private company limited by shares | Live |
| OneClickPay Limited | Private company limited by shares | Live |
| oneCloud Limited | Private company limited by shares | Live |
| OneCo HK Limited | Private company limited by shares | Live |
| Onecode Limited | Private company limited by shares | Live |
| ONECOLOR CO., LIMITED | Private company limited by shares | Live |
| ONECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| Ping An OneConnect Company Limited | Private company limited by shares | Live |
| Oneconnect System Limited | Private company limited by shares | Live |
| ONE-CONNECTION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OneContact Limited | Private company limited by shares | Dissolved |
| OneCool Asia Limited | Private company limited by shares | Live |
| Onecool International Trading Co., Limited | Private company limited by shares | Live |
| ONECORP LIMITED | Private company limited by shares | Live |
| ONECOVE GMBH LIMITED | Private company limited by shares | Live |
| Onecredit Consulting Limited | Private company limited by shares | Live |
| ONECREW LIMITED | Private company limited by shares | Live |
| Onecrew Network Limited | Private company limited by shares | Live |
| ONE-D LIMITED | Private company limited by shares | Live |
| OneDao Co., Limited | Private company limited by shares | Live |
| OneDash Limited | Private company limited by shares | Live |
| ONEDAY GRP LIMITED | | Live |
| ONEDAY CAPITAL LIMITED | Private company limited by shares | Live |
| OneDay Finance Limited | Private company limited by shares | Live |
| Onede Services Limited | | Live |
| OneDe Trading Limited | Private company limited by shares | Live |
| Onedefull.Com.Co., Limited | | Live |
| OneDegree LTC Limited | Private company limited by shares | Live |
| ONEDER LIMITED | Private company limited by shares | Live |
| Onederfo Limited | Private company limited by shares | Live |
| ONEDERWELL LIMITED | | Live |
| ONEDIGIBOX LIMITED | Private company limited by shares | Live |
| Onedigitals Limited | Private company limited by shares | Live Commenced dormancy on 12-Oct-2018 |
| Onedime Holdings Limited | | Live |
| ONEDIN LIMITED | Private company limited by shares | Dissolved |
| ONEDO LIMITED | Private company limited by shares | Live |
| HONG KONG ONEDOING CO., LIMITED | Private company limited by shares | Live |
| OneDot Limited | Private company limited by shares | Live |
| OneDragon HPL Limited | Private company limited by shares | Live |
| Hong Kong Onedrawn Co., Limited | | Live |
| OneDurham Limited | | Live |
| ONEE LIMITED | | Live |
| ONEE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONEEARTH LIMITED | Private company limited by shares | Dissolved |
| ONEEARTH TECHNOLOGY SERVICE LIMITED | | Live |
| ONEEE DOT CO. LIMITED | Private company limited by shares | Live |
| ONE-ELEVEN, LIMITED | Private company limited by shares | Live |
| ONEEMPOWER (CHINA) LIMITED | Private company limited by shares | Dissolved |
| OneEnvironment Technology Investment Limited | Private company limited by shares | Dissolved |
| OneEssential Limited | | Live |
| ONE-FAITH GROUP (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OneFamity Limited | Private company limited by shares | Live |
| ONEFAT LIMITED | Private company limited by shares | Live |
| ONEFINE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONEFINE INVESTMENT LIMITED | Private company limited by shares | Live |
| ONE-FINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Onefintech Limited | Private company limited by shares | Live Commenced dormancy on 14-Apr-2016 |
| OneFirstStep Limited | | Live |
| ONEFIT LIMITED | Private company limited by shares | Live |
| OneFitCity Limited | Private company limited by shares | Live |
| Oneflash Technology Limited | Private company limited by shares | Live |
| OneFlexoHLP Company Limited | Private company limited by shares | Live |
| ONEFLY INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| ONEFLY INTERNATIONAL LIMITED | | Live |
| ONEFLYS INT'L HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| OneFootKick Company Limited | Private company limited by shares | Live |
| Oneforall Holding Co., Limited | Private company limited by shares | Live |
| ONEFORCE LIMITED | Private company limited by shares | Dissolved |
| ONEFORD LIMITED | Private company limited by shares | Live |
| ONEFORM PTY LIMITED | Private company limited by shares | Dissolved |
| Onefun Technology Limited | Private company limited by shares | Live |
| OneFun Technology Co., Limited | Private company limited by shares | Live |
| One-gadgets International Co., Limited | Private company limited by shares | Live |
| ONEGAME HOLDING LIMITED | Private company limited by shares | Live |
| onegameshow.com Limited | Private company limited by shares | Live |
| Onege Trading Co., Limited | | Live |
| Onegear Technology Limited | Private company limited by shares | Live |
| onegens Limited | Private company limited by shares | Live |
| ONEGIANT COMPANY LIMITED | Private company limited by shares | Live |
| OneGlass Hong Kong Limited | Private company limited by shares | Dissolved |
| OneGlass International Limited | Private company limited by shares | Dissolved |
| OneGlobal Broking Hong Kong Limited | Private company limited by shares | Live |
| OneGlobe Connect Limited | Private company limited by shares | Live |
| ONEGLOBE CONSOLIDATORS PRIVATE LIMITED | | Live |
| OneGlobe eCommerce Limited | Private company limited by shares | Live |
| OneGo Technology Limited | Private company limited by shares | Live |
| ONEGOAL ESTATES LIMITED | Private company limited by shares | Live |
| Hong Kong Onegol Electronics Co., Limited | Private company limited by shares | Live |
| Onegoodpeople Limited | Private company limited by shares | Live |
| Onegoodpeople Limited | Private company limited by shares | Live |
| ONEGRADE LIMITED | Private company limited by shares | Dissolved |
| OneGreenMech Limited | Private company limited by shares | Dissolved |
| ONEGUIDE.COM (HK) LIMITED | Private company limited by shares | Dissolved |
| ONEGUY LIMITED | Private company limited by shares | Live |
| Onehalf Limited | Private company limited by shares | Live |
| THREE AND ONE-HALF LIMITED | Private company limited by shares | Dissolved |