| A.P.T Limited | Private company limited by shares | Live |
| APTA GROUP LIMITED | | Live |
| APTA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Aptalytix Limited | | Live |
| APTAMENTIS LIMITED | Private company limited by shares | Live |
| Aptapeutics Limited | | Live |
| Aptapp Limited | Private company limited by shares | Live |
| APTC LIMITED | Private company limited by shares | Dissolved |
| APTC LIMITED | | Live |
| APTC Technology Co., Limited | Private company limited by shares | Live |
| APTC Corporate Services Limited | | Live |
| APTCHIP TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| APTCO LIMITED | Private company limited by shares | Dissolved |
| SK APTech Limited | Private company limited by shares | Live |
| APTECH AUTOMATION LIMITED | Private company limited by shares | Dissolved |
| APTECH CO., LIMITED | Private company limited by shares | Live |
| APTECH (HK) LIMITED | Private company limited by shares | Live |
| AP-TECH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| APTECH BUSINESS SOLUTION LIMITED | Private company limited by shares | Live |
| APTECH INTERNATIONAL TRADING & INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Apteka International Co., Limited | | Live |
| APTER POWER LIMITED | | Live |
| APTERYX LIMITED | Private company limited by shares | Dissolved |
| APTERYX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| APTEX Limited | Private company limited by shares | Live |
| APTEX TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| APTFUND LIMITED | Private company limited by shares | Dissolved |
| APTI Consulting Limited | Private company limited by shares | Live |
| APTI HONG KONG LIMITED | Private company limited by shares | Dissolved |
| APTIA LIMITED | Private company limited by shares | Live |
| APTILESS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Apr-2018 |
| Aptimo Digital Limited | Private company limited by shares | Live |
| Aptitude Limited | Private company limited by shares | Live |
| APTLD (HK) Limited | Private company limited by shares | Live |
| APTMARINER SHIPPING LIMITED | Private company limited by shares | Live |
| Aptness Limited | Private company limited by shares | Live |
| APTOM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| APTOR LIMITED | Private company limited by shares | Live |
| APTORIENT LIMITED | Private company limited by shares | Dissolved |
| APTOTIC LIMITED | Private company limited by shares | Dissolved |
| APTRA LIMITED | Private company limited by shares | Dissolved |
| APTRADE (HK) LIMITED | Private company limited by shares | Dissolved |
| APTRANS LIMITED | Private company limited by shares | Live |
| APTRONIC FISHERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| APTS Limited | Private company limited by shares | Live |
| APTTPA LIMITED | Private company limited by shares | Live |
| APTUO Limited | Private company limited by shares | Live |
| APTUS LIMITED | | Live |
| Aptus Active Consulting & Solutions Co., Limited | Private company limited by shares | Live |
| Aptus Consulting Limited | Private company limited by shares | Live |
| APTUS GROUP LIMITED | Private company limited by shares | Live |
| Aptus Therapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| APTUS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| APTUS INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| APTUS MANAGEMENT LIMITED | Private company limited by shares | Live |
| APTUS MARITIME LIMITED | Private company limited by shares | Live |
| APTUS MEDICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| APTUS PARTNERSHIP LIMITED -THE- | Private company limited by shares | Dissolved |
| APTUS PRIME LIMITED | Private company limited by shares | Live |
| APTUS PRIME ASIA LIMITED | | Live |
| APTUS SERVICES PTE LIMITED | Private company limited by shares | Dissolved |
| APTUS SYSTEMS LIMITED | Private company limited by shares | Live |
| APTWELL COMPANY LIMITED | Private company limited by shares | Dissolved |