| HYCO (QA) CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Q.A. INTERNATIONAL HONGKONG TRADE CO., LIMITED | Private company limited by shares | Live |
| QAAS Investment Limited | Private company limited by shares | Dissolved |
| Qabar International Limited | Private company limited by shares | Dissolved |
| QABOOS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Qacademy Global Company Limited | Private company limited by shares | Live |
| AL QADI GROUP COMPANY LIMITED | Private company limited by shares | Live |
| QADIRA INDUSTRIAL(HONG KONG) CO., LIMITED | | Live |
| QADIRA FUTURE CO., LIMITED | Private company limited by shares | Live |
| QADIRA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Qadri Enterprises Co., Limited | Private company limited by shares | Live |
| NEW QADRI ENTERPRISRS CO., LIMITED | Private company limited by shares | Live |
| QADRI EZZ TRADING CO., LIMITED | Private company limited by shares | Live |
| QADRI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QAETUS LIMITED | Private company limited by shares | Live |
| QAFLAH TRADING CO., LIMITED | | Live |
| QAHUI TRADE LIMITED | Private company limited by shares | Live |
| QA-INT'L LIMITED | Private company limited by shares | Live |
| QAIR PRO LIMITED | | Live |
| Qaitel Limited | Private company limited by shares | Live |
| Qaixin Consulting Company Limited | | Live |
| Qaizen Group Limited | Private company limited by shares | Live |
| QAJY LIMITED | | Live |
| Qaks Limited | Private company limited by shares | Live |
| MAST QALANDAR LIMITED | Private company limited by shares | Live |
| QALAY HAWLER CO., LIMITED | Private company limited by shares | Live |
| QALDEC LIMITED | Private company limited by shares | Live |
| Qaledo Limited | Private company limited by shares | Live |
| QALIBOX LIMITED | Private company limited by shares | Dissolved |
| QALISA ASIA LIMITED | Private company limited by shares | Live |
| QALIUM LIMITED | Private company limited by shares | Live |
| QALMEN LIMITED | | Live |
| Qalqon Limited | Private company limited by shares | Live |
| QAMAX LIMITED | Private company limited by shares | Live |
| QAMSUE (HONG KONG) LIMITED | Private company limited by shares | Live |
| QANAD COMPANY LIMITED | Private company limited by shares | Live |
| QANDAS LIMITED | Private company limited by shares | Dissolved |
| QANDEE ESTATES LIMITED | Private company limited by shares | Dissolved |
| QANDY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| QANIDA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Qanjing trading Co., Limited | | Live |
| QANMAX LIMITED | Private company limited by shares | Dissolved |
| QANON LIMITED | Private company limited by shares | Dissolved |
| HONG KONG QANSD TRADE CO., LIMITED | Private company limited by shares | Live |
| QANSTAR LIMITED | Private company limited by shares | Dissolved |
| QANT ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| QANTA SILICONES LIMITED | Private company limited by shares | Dissolved |
| Qantaloop Limited | Private company limited by shares | Live |
| QANTAS LIMITED | Private company limited by shares | Dissolved |
| QANTAS LIMITED | Private company limited by shares | Dissolved |
| QANTAS ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| QANTAS ENGINEERING LIMITED | Private company limited by shares | Live |
| QANTAS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QANTAS ELECTRONICS GROUP LIMITED | Private company limited by shares | Dissolved |
| QANTAS (HONG KONG) LIMITED | Private company limited by shares | Live |
| QANTAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| QANTAS INVESTMENTS LIMITED | Private company limited by shares | Live |
| QANTAS (WORLDFULL) HONG KONG LIMITED | Private company limited by shares | Live |
| QANTAS REGISTRATIONS LIMITED | Private company limited by shares | Live |
| QANTAS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| QANTAS TRADING LIMITED | Private company limited by shares | Dissolved |
| QANTAS TRADING LIMITED | Private company limited by shares | Dissolved |
| QANTEL ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| QANTEL INTERNATIONAL GARMENTS LIMITED | Private company limited by shares | Dissolved |
| QANTEL INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| QANTEX LIMITED | Private company limited by shares | Dissolved |
| QANTEX INVESTMENTS LIMITED | Private company limited by shares | Live |
| Qanvast Limited | Private company limited by shares | Live |
| QANWIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| QAOZO IND LIMITED | | Live |
| QAPABLE LIMITED | Private company limited by shares | Live |
| Qapitalizt Limited | | Live |
| QAPPS LIMITED | Private company limited by shares | Dissolved |
| QARA LIMITED | Private company limited by shares | Live |
| QARA CONSULTANCY LIMITED | Private company limited by shares | Live |
| QARA PROPERTY AGENCY LIMITED | Private company limited by shares | Live |
| HOSHYAR QARANE MOHAMMED ALI GENERAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Qardio Hong Kong Limited | Private company limited by shares | Live |
| QARG LIMITED | Private company limited by shares | Live |
| QARI KHEDRUDDIN CO., LIMITED | Private company limited by shares | Live |
| QARI TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| QARICH LIMITED | Private company limited by shares | Dissolved |
| Q-ARLO LIMITED | Private company limited by shares | Dissolved |
| QArmor Technology Limited | Private company limited by shares | Live |
| QARN ENTERPRISES LIMITED | Private company limited by shares | Live |
| QARSHI TRADING CO., LIMITED | Private company limited by shares | Live |
| Q-ART LIMITED | Private company limited by shares | Dissolved |
| QASA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| QASE LIMITED | | Live |
| QASER ALSALWAN CO., LIMITED | Private company limited by shares | Live |
| Qashqai Cleaning Service Company Limited | Private company limited by shares | Live |
| QASIM LIMITED | Private company limited by shares | Live |
| QASKI MACHINERY CO., LIMITED | Private company limited by shares | Live |
| QASKI ENTERPRISES LIMITED | Private company limited by shares | Live |
| MOHAMME QASSIM COMPANY LIMITED | | Live |
| QATAR LIMITED | Private company limited by shares | Live |
| Qatar Enamel Nano Research Institute Co., Limited | | Live |
| Qatar Executive HK Limited | | Live |
| MTR Qatar Transit (Hong Kong) Company Limited | Private company limited by shares | Live |
| QATIF COMPANY LIMITED | Private company limited by shares | Dissolved |