| ONEMOB GROUP Limited | | Live |
| Onemobi Limited | Private company limited by shares | Live |
| Top One-Mold Company Limited | Private company limited by shares | Live |
| Onemon Trade Limited | Private company limited by shares | Live |
| OneMoney Capital Investment Management Co., Limited | Private company limited by shares | Live |
| ONEMORE LIMITED | Private company limited by shares | Live |
| ONEMORE CONSULTANTS LIMITED | Private company limited by shares | Live |
| ONEMORE TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOP ONE-MOULD LIMITED | Private company limited by shares | Live |
| ONEMT HONG KONG LIMITED | Private company limited by shares | Live |
| ONENERGY LIMITED | Private company limited by shares | Live |
| ONENESS COMPANY LIMITED | Private company limited by shares | Live |
| Om Oneness Limited | Private company limited by shares | Live |
| ONENESS F&B LIMITED | | Live |
| ONENESS CAP LIMITED | | Live |
| Oneness Agency Limited | Private company limited by shares | Live |
| ONENESS CAPITALS COMPANY LIMITED | Private company limited by shares | Live |
| Oneness Charity Limited | | Live |
| S W Oneness Co., Limited | Private company limited by shares | Dissolved |
| ONENESS OVERSEAS CO., LIMITED | Private company limited by shares | Live |
| Oneness Consultancy Limited | Private company limited by shares | Live |
| ONENESS DESIGN & BUILD LIMITED | | Live |
| Oneness Health Limited | | Live |
| Oneness Way Healthcare Limited | Private company limited by shares | Live |
| ONENESS FILM INVESTMENT LIMITED | Private company limited by shares | Live |
| ONENESS LIVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONENESS CAPITAL MANAGEMENT LIMITED | | Live |
| Oneness Catering Management Limited | Private company limited by shares | Live |
| Oneness Music Limited -The- | Private company limited by shares | Live |
| ONENESS POWER LIMITED | Private company limited by shares | Live |
| ONENESS FILM PRODUCTIONS LIMITED | Private company limited by shares | Live |
| ONENESS SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Oneness Trading Limited | Private company limited by shares | Live |
| ONENET HK LIMITED | Private company limited by shares | Live |
| Onenet Asia Limited | Private company limited by shares | Live |
| TRANS ONE.NET PTE LIMITED | Private company limited by shares | Dissolved |
| ONENETWORK (ASIA) LIMITED | Private company limited by shares | Live |
| ONENEW (HK) ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| OneNew Technology Company Limited | Private company limited by shares | Live |
| ONE-NORTH ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| OneOdio Company Limited | | Live |
| ONEOF INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| ONEON CAPITAL ( HONG KONG ) CO, LIMITED | Private company limited by shares | Live |
| OneOne Limited | Private company limited by shares | Live |
| Oneonebuy (China) Limited | Private company limited by shares | Live |
| OneOneOne Company Limited | Private company limited by shares | Live |
| OneOneSoup Company Limited | Private company limited by shares | Live |
| ONEOO CO., LIMITED | Private company limited by shares | Live |
| Oneopen ad Limited | | Live |
| ONEPAA LIMITED | Private company limited by shares | Live |
| OnePage Associates Limited | Private company limited by shares | Dissolved |
| OnePass Limited | Private company limited by shares | Live |
| OnePass Solutions Limited | Private company limited by shares | Live |
| OnePath Capital Limited | | Live |
| Onepay Global Limited | | Live |
| Onepay Pacific Limited | Private company limited by shares | Live |
| ONEPAY SOLUTIONS LIMITED | Private company limited by shares | Live |
| OnePayments Limited | Private company limited by shares | Live |
| ONEPEM PRECISION INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Onepem Precision Components (Hong Kong) Co., Limited | Private company limited by shares | Live |
| ONEPERSONALIZATION LIMITED | Private company limited by shares | Live |
| OnePiece Technology Limited | Private company limited by shares | Live |
| Onepiecesolution Limited | | Live |
| Onepile Limited | | Live |
| Onepile Tech Limited | | Live |
| ONEPIP (HONG KONG) LIMITED | Private company limited by shares | Live |
| OnePixel Limited | | Live |
| ONEPLACE LIMITED | Private company limited by shares | Live |
| ONEPLAYER LIMITED | Private company limited by shares | Live |
| onePLUS X Limited | Private company limited by shares | Live |
| ONEPLUS ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| OnePlus AgroTech Limited | | Live |
| ONE-PLUS INVESTMENT LIMITED | Private company limited by shares | Live |
| ONEPLUS SHIPPING MARINE SERVICE LIMITED | | Live |
| OnePlus Realty Company Limited | Private company limited by shares | Live |
| OnePlus United Co Limited | Private company limited by shares | Live |
| ONEPLUS WEALTH MANAGEMEN LIMITED | Private company limited by shares | Live |
| OnePlus2 Limited | Private company limited by shares | Live |
| One-Plus-One Consultancy Limited | Private company limited by shares | Live |
| ONEPLUSONE CREATIONS LIMITED | Private company limited by shares | Live |
| ONEPM LIMITED | Private company limited by shares | Live |
| ONEPM SOLUTIONS LIMITED | Private company limited by shares | Live |
| OnePointSix Limited | Private company limited by shares | Live |
| ONEPOLAR ASIA COMPANY LIMITED | Private company limited by shares | Live |
| ONEPORT LIMITED | Private company limited by shares | Live |
| ONEPORT GETS LIMITED | Private company limited by shares | Dissolved |
| OnePress Business Solutions (HK) Limited | Private company limited by shares | Live |
| OnePrice Limited | Private company limited by shares | Live |
| ONEPRINT CO., LIMITED | Private company limited by shares | Live |
| ONEPRO CLOUD LIMITED | Private company limited by shares | Live |
| ONEPRO SMART HK LIMITED | Private company limited by shares | Live |
| One-Product Royal Fruit Company Limited | Private company limited by shares | Live |
| OneQR Limited | Private company limited by shares | Live |
| ONER LIMITED | Private company limited by shares | Live |
| ONER DESIGN & MECHANISM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEIHAI ONER OUTDOORS CO., LIMITED | Private company limited by shares | Live |
| Oner Electronics Technology Limited | Private company limited by shares | Live |
| OneRaw Technology Limited | Private company limited by shares | Live |
| ONEREE COMPANY LIMITED | Private company limited by shares | Dissolved |
| OneReminder Limited | Private company limited by shares | Live |