| PO'S & COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO'S ARCHITECTS LIMITED | Private company limited by shares | Live |
| PO'S AIR & SEA FREIGHT LIMITED | Private company limited by shares | Dissolved |
| POSADA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POSADA HOLDINGS LIMITED | Private company limited by shares | Live |
| POSAKI LIMITED | Private company limited by shares | Live |
| POSALUX (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BARDEN POSAM (HONG KONG) LIMITED | Private company limited by shares | Live |
| POSAN LIMITED | Private company limited by shares | Live |
| POSAN ASSETS LIMITED | Private company limited by shares | Dissolved |
| POSAN ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| POSAN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POSANG CAPITAL LIMITED | Private company limited by shares | Live |
| Posati Import And Export Co., Limited | | Live |
| POSber Limited | Private company limited by shares | Live |
| POS-buy Limited | Private company limited by shares | Live |
| POSCA COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSCA LIMITED | Private company limited by shares | Dissolved |
| POSCELIN COMPANY LIMITED | Private company limited by shares | Live |
| Posche Limited | Private company limited by shares | Dissolved |
| ITALY POSCHES FASHION HOLDING LIMITED | Private company limited by shares | Dissolved |
| POSCO ASIA COMPANY LIMITED | Private company limited by shares | Live |
| POSCO INVESTMENT CO., LIMITED | Public company limited by shares | Ceased to exist as a separate entity |
| POSCO INTERNATIONAL LIMITED | | Live |
| POSCO OPTOELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| POSCO Trading Co., Limited | Private company limited by shares | Live |
| POS.COM LIMITED | Private company limited by shares | Dissolved |
| POSE LIMITED | Private company limited by shares | Dissolved |
| POSE LIMITED | Private company limited by shares | Live |
| n pose Limited | | Live |
| POSE FASHION LIMITED | Private company limited by shares | Live |
| POSE HUMBLE LIMITED | Private company limited by shares | Live |
| POWER POSE LIMITED | Private company limited by shares | Live |
| Pose Trading Limited | Private company limited by shares | Live |
| POSE INT TRADING COMPANY LIMITED | | Live |
| Son of Posedion Limited | Private company limited by shares | Live |
| Posedon Asia Limited | Private company limited by shares | Live |
| POSEI WATCH DIAL COMPANY LIMITED | Private company limited by shares | Live |
| POSEI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Poseidan Events Limited | Private company limited by shares | Live |
| POSEIDON LIMITED | Private company limited by shares | Dissolved |
| POSEIDON LIMITED | Private company limited by shares | Live |
| Poseidon One Limited | Private company limited by shares | Live |
| Poseidon (Asia) Limited | Private company limited by shares | Live |
| Poseidon Audio Limited | Private company limited by shares | Live |
| Poseidon Capital Limited | Private company limited by shares | Live |
| Poseidon Catering Limited | Private company limited by shares | Live |
| POSEIDON (CHINA) LIMITED | Private company limited by shares | Live |
| Poseidon Research China Co. Limited | Private company limited by shares | Live |
| Poseidon IAM Co., Limited | | Live |
| POSEIDON MARITIME CO., LIMITED | Private company limited by shares | Live |
| HK POSEIDON WISDOM INTERNATIONAL CULTURAL MEDIA CO., LIMITED | Private company limited by shares | Live |
| POSEIDON TRADE CO., LIMITED | Private company limited by shares | Live |
| Poseidon Consultancy Limited | | Live |
| POSEIDON EDUCATION COMPANY LIMITED | Private company limited by shares | Live |
| Poseidon Electronic Limited | Private company limited by shares | Live |
| POSEIDON ENTERPRISE LIMITED | Private company limited by shares | Live |
| POSEIDON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POSEIDON FASHIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSEIDON FREIGHT LIMITED | Private company limited by shares | Live |
| POSEIDON GROUP COMPANY LIMITED | Private company limited by shares | Live |
| CHINA POSEIDON GROUP ENERGY TRADING CO., LIMITED | | Live |
| POSEIDON STRATEGY GROUP CO. LIMITED | Private company limited by shares | Live |
| POSEIDON HEALTH CENTRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSEIDON HILL CAPITAL LIMITED | | Live |
| KF & Poseidon Holding Limited | Private company limited by shares | Dissolved |
| Poseidon Investment Limited | Private company limited by shares | Dissolved |
| Poseidon Investment Limited | | Live |
| Poseidon Next Limited | Private company limited by shares | Live |
| POSEIDON SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSEIDON SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Poseidon Shipping Limited | Private company limited by shares | Live |
| POSEIDON TECH HK LIMITED | | Live |
| POSEIDON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| POSEIDON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Poseidon Technology (Asia) Limited | | Live |
| HK Poseidon Trading Limited | Private company limited by shares | Live |
| POSEIDON TRADING LIMITED | Private company limited by shares | Live |
| Poseidon Trading Company Limited | | Live |
| POSEIDON WAVES LIMITED | | Live |
| Poseidon Yacht Service Limited | Private company limited by shares | Live |
| Poseidon Yachting Limited | Private company limited by shares | Live |
| Poseidonx Group (HK) Limited | Private company limited by shares | Live |
| POSEIRO LIMITED | Private company limited by shares | Dissolved |
| POSEN LIMITED | Private company limited by shares | Live |
| POSENA COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSENDA INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| POSENDA INVESTMENT LIMITED | Private company limited by shares | Live |
| POSENFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| PoSENtial Inspire Lab Limited | | Live |
| POSER LIMITED | Private company limited by shares | Dissolved |
| Poseus Logitech Limited | Private company limited by shares | Dissolved |
| POSEWAY LIMITED | Private company limited by shares | Dissolved |
| POSEY HILL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| POSEY HILL LIMITED | Private company limited by shares | Live |
| POSEZ FACTORY LIMITED | Private company limited by shares | Dissolved |
| POSEZ PRODUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| POSGATE LIMITED | Private company limited by shares | Dissolved |
| HK POSGENIA LIMITED | Private company limited by shares | Live |
| POSH COMPANY LIMITED | Private company limited by shares | Dissolved |