| ATTA LIMITED | Private company limited by shares | Dissolved |
| ATTA LIMITED -THE- | Private company limited by shares | Live |
| Atta Capital Limited | Private company limited by shares | Live |
| ATTA Enterprise Limited | | Live |
| ATTA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ATTA ENTERPRISES LIMITED | Private company limited by shares | Live |
| ATTA PACK CO. LIMITED | Private company limited by shares | Live |
| ATTAB GSE (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| ATTABOY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Jat Attac (HK) Company Limited | Private company limited by shares | Live |
| ATTACCA COMPANY LIMITED | Private company limited by shares | Live |
| Attacca Innovation Co. Limited | Private company limited by shares | Live |
| Attacca Projects Limited | Private company limited by shares | Live |
| Attach Company Limited | Private company limited by shares | Live |
| ATTACH FASHION LIMITED | Private company limited by shares | Live |
| Attach Technology Co., Limited | Private company limited by shares | Live |
| ATTACHE LIMITED | Private company limited by shares | Dissolved |
| ATTACHEM LIMITED | Private company limited by shares | Live |
| ATTACHMATE GROUP HONG KONG LIMITED | Private company limited by shares | Live |
| ATTACHMATE (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Mar-2016 |
| Attachment Concepts Limited | Private company limited by shares | Live |
| ATTACHMUM LIMITED | Private company limited by shares | Live |
| AD ATTACK LIMITED | Private company limited by shares | Dissolved |
| MAK ATTACK LIMITED | Private company limited by shares | Live |
| Attack Camp General Trading Limited | Private company limited by shares | Live |
| A-T-T-A-C-K ATHLETICS (GREATER CHINA) LIMITED | Private company limited by shares | Live |
| Piercing Attack Jewelry Co., Limited | Private company limited by shares | Live |
| ATTACK ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ART ATTACK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOP ATTACK (HONG KONG) LIMITED | Private company limited by shares | Live |
| Attack Poverty Asia Limited | Private company limited by shares | Live |
| MAK ATTACK PRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smart Attack Limited | Private company limited by shares | Live |
| ATTACK SOCCER LIMITED | Private company limited by shares | Live |
| TIME ATTACK LIMITED | Private company limited by shares | Live |
| Toys Attack Company Limited | Private company limited by shares | Dissolved |
| ATTACKER EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| Attacking Sports Company Limited | Private company limited by shares | Live |
| ATTAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Attain Limited | Private company limited by shares | Live |
| Erect Attain Trade Limited | Private company limited by shares | Live |
| GRAND ATTAIN LIMITED | Private company limited by shares | Live |
| ATTAIN SUCCESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATTAINED GOAL LIMITED | Private company limited by shares | Live |
| ATTAINER COMPANY LIMITED | Private company limited by shares | Dissolved |
| EDUCATIONAL ATTAINMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENERGY ATTAINMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Attainment International Limited | Private company limited by shares | Live |
| JOYFUL ATTAINMENT LIMITED | Private company limited by shares | Live |
| DONGGUAN EASY ATTAINMENT SHOES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATTALEN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ATTALLA LIMITED | Private company limited by shares | Dissolved |
| ATTAMEN LIMITED | Private company limited by shares | Dissolved |
| ATTAR HOME LIMITED | Private company limited by shares | Live |
| ATTAR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ATTAR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATTAR TRADING CO., LIMITED | Private company limited by shares | Live |
| AL ATTAR TRADING CO., LIMITED | | Live |
| ATTASTATE LIMITED | Private company limited by shares | Dissolved |
| ATTA-TRANS LIMITED | Private company limited by shares | Live |
| ATTAY LIMITED | Private company limited by shares | Dissolved |