| Atlas Tech Trading Limited | Private company limited by shares | Live |
| Atlas Technology Trading services Limited | Private company limited by shares | Live |
| ATLAS TRAVEL LIMITED | Private company limited by shares | Live |
| ATLAS TOURS & TRAVEL LIMITED | Private company limited by shares | Dissolved |
| Atlas Tree Limited -The- | Private company limited by shares | Live |
| ATLAS TURF INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ATLAS UNION LIMITED | | Live |
| Atlas Universal Investment Limited | | Live |
| Vantage Atlas Limited | | Live |
| Atlas Venture Limited | Private company limited by shares | Live |
| ATLAS VENTURES HK LIMITED | Private company limited by shares | Dissolved |
| ATLAS COMMERCIAL VENTURES LIMITED | Private company limited by shares | Dissolved |
| ATLAS VENTURES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ATLAS VIDEO LIMITED | Private company limited by shares | Dissolved |
| ATLAS WEALTH LIMITED | | Live |
| Atlas Web3 Technology HK Limited | | Live |
| ATLAS WEEKEND LIMITED | Private company limited by shares | Live |
| ATLAS PHYSIOTHERAPY AND WELLNESS CO. LIMITED | Private company limited by shares | Live |
| WINE ATLAS CO. LIMITED | Private company limited by shares | Live |
| Atlas Works Limited | Private company limited by shares | Dissolved |
| ATLAS WORLD LIMITED | Private company limited by shares | Live |
| ATLAS WORLDWIDE LIMITED | Private company limited by shares | Live |
| ATLAS EXPRESS WORLDWIDE LIMITED | Private company limited by shares | Live |
| ATLAS WORLDWIDE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Zero Atlas Limited | | Live |
| ATLAS21 (HONG KONG) LIMITED | Private company limited by shares | Live |
| AtlasBus Limited | Private company limited by shares | Live |
| Atlasea Limited | Private company limited by shares | Live |
| ATLASFAIR LIMITED | Private company limited by shares | Dissolved |
| ATLASGRES LIMITED | | Live |
| ATLASH TRADING INVESTMENT (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| ATLAS-HK TRADE LIMITED | Private company limited by shares | Dissolved |
| Atlaspace Limited | Private company limited by shares | Live |
| Atlaspace (Hong Kong) Limited | Private company limited by shares | Live |
| ATLASPACE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ATLAS-TECH LIMITED | Private company limited by shares | Live |
| ATLASTIC FASHION MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| ATLASWARD LIMITED | Private company limited by shares | Dissolved |
| ATLASWAY LIMITED | Private company limited by shares | Live |
| ATLATL Innovation Hub HK Limited | | Live |
| ATLATL Parks HK Limited | | Live |
| Atlax Limited | | Live |
| ATLAZ ESTATE LIMITED | Private company limited by shares | Live |
| ATLC COMPANY LIMITED | Private company limited by shares | Live |
| ATLC HK COMPANY LIMITED | Private company limited by shares | Live |
| ATLEDTIS LIMITED | Private company limited by shares | Live |
| ATLEIER LIMITED | Private company limited by shares | Live |
| ATLEISURE LIMITED | Private company limited by shares | Live |
| Atlen Jewelry Co., Limited | Private company limited by shares | Live |
| ATLENTICA INTERNATIONAL LIMITED | | Live |
| ATLI COMPANY LIMITED | Private company limited by shares | Live |
| Atlike Limited | Private company limited by shares | Live |
| ATLIN LIMITED | Private company limited by shares | Live |
| ATLIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ATLINK (MFG) LIMITED | Private company limited by shares | Dissolved |
| ATLINKS ASIA LIMITED | Private company limited by shares | Live |
| ATLINKS ENTERPRISE LIMITED | Private company limited by shares | Live |
| ATLIV Limited | Private company limited by shares | Live |
| ATLIXCO LIMITED | Private company limited by shares | Live |
| ATLM & CO. LIMITED | Private company limited by shares | Dissolved |
| ATLog Limited | Private company limited by shares | Live |
| Atlona Asia Co, Limited | Private company limited by shares | Live |
| ATLONIC CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| ATLS Supply Chain Limited | Private company limited by shares | Live |
| ATLUN LIMITED | | Live |
| A.T.L.Z. COMPANY LIMITED | Private company limited by shares | Dissolved |
| AT&M SUPPLY CO., LIMITED | Private company limited by shares | Live |
| ATMA LIMITED | Private company limited by shares | Live |
| ATMA LIMITED | Private company limited by shares | Live |
| Atma Collection Limited | Private company limited by shares | Live |
| ATMAN ELECTRONICS LIMITED | Private company limited by shares | Live |
| ATMAN TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Atman Intelligence Hongkong Co. Limited | Private company limited by shares | Live |
| ATMAN (INTERNATION) LIMITED | Private company limited by shares | Live |
| ATMANAS LIMITED | Private company limited by shares | Dissolved |
| AT-MATERIAL LIMITED | Private company limited by shares | Live |
| ATMCLOUD LIMITED | Private company limited by shares | Live |
| ATMD Limited | Private company limited by shares | Live |
| ATMD (Hong Kong) Limited | Private company limited by shares | Live |
| ATMD OPTIC LIMITED | Private company limited by shares | Live |
| ATME LIMITED | Private company limited by shares | Live |
| HK Atme Trading Co., Limited | Private company limited by shares | Live |
| ATMEDICA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ATMEL-WM HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Atmesfer Limited | Private company limited by shares | Live |
| Atmex Technology Limited | Private company limited by shares | Live |
| ATM-Group Limited | Private company limited by shares | Dissolved |
| ATMHKC Limited | Private company limited by shares | Dissolved |
| ATML Healthspan Limited | | Live |
| ATMO GROUP LIMITED | Private company limited by shares | Dissolved |
| ATMO GROUP LIMITED | Private company limited by shares | Live |
| ATMOS LIMITED | Private company limited by shares | Live |
| ATMOS FURNITURE COMPANY LIMITED | | Live |
| atmos Holding Limited | Private company limited by shares | Live |
| AtmosAir Asia Limited | Private company limited by shares | Live |
| Atmosphere Co., Limited | Private company limited by shares | Live |
| Dense And Hevy Atmosphere Global Investment Company Limited | Private company limited by shares | Live |
| PROSPEROUS ATMOSPHERE LIMITED | Private company limited by shares | Live |
| ATMOSPHERE WORKSHOP LIMITED | Private company limited by shares | Live |
| Japan Yalaishi Atmosphere Cleaning Equipment Kabu Limited | Private company limited by shares | Live |