| ATOZ LIMITED | Private company limited by shares | Dissolved |
| ATOZ LIMITED | Private company limited by shares | Dissolved |
| ATOZ LIMITED | Private company limited by shares | Live |
| ATOZ HK CPA LIMITED | Private company limited by shares | Live |
| AtoZ Analytics Limited | | Live |
| Atoz China Supply Service Limited | | Live |
| HONGKONG ATOZ HOMEWARE INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| ATOZ COMPUNET LIMITED | Private company limited by shares | Dissolved |
| ATOZ BUSINESS CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ATOZ HK CONSULTING LIMITED | Private company limited by shares | Live |
| ATOZ DESIGN AND DECORATORS LIMITED | Private company limited by shares | Dissolved |
| ATOZ DESIGN LIMITED | Private company limited by shares | Live |
| ATOZ DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ATOZ ENERGY LIMITED | Private company limited by shares | Live |
| AtoZ Holding Limited | Private company limited by shares | Live |
| HONG KONG ATOZ HOMEWARE CO., LIMITED | Private company limited by shares | Dissolved |
| ATOZ GROUP (HONG KONG) LIMITED | | Live |
| ATOZ (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG ATOZ POWER LIMITED | Private company limited by shares | Live |
| ATOZ INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ATOZ INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ATOZ INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ATOZ INTERNATIONAL HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATOZ INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| ATOZ INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ATOZ HK INVESTMENT LIMITED | | Live |
| ATOZ DESIGN LABS CO., LIMITED | Private company limited by shares | Live |
| ATOZ MARINE LIMITED | Private company limited by shares | Live |
| ATOZ NOMINEES LIMITED | Private company limited by shares | Live |
| ATOZ PETRO-CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| Atoz Pharmaceutical (HK) Limited | Private company limited by shares | Live |
| ATOZ PRIME TRADE LIMITED | Private company limited by shares | Live |
| NEW ATOZ GRAPHIC & PRINTING LIMITED | Private company limited by shares | Dissolved |
| ATOZ GRAPHICS & PRINTING LIMITED | Private company limited by shares | Live |
| ATOZ PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| ATOZ PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| Atoz Healthcare Service Limited | Private company limited by shares | Live |
| ATOZ SPACE LIMITED | Private company limited by shares | Dissolved |
| AtoZ Supply Limited | Private company limited by shares | Live |
| ATOZ TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ATOZ Translation Co., Limited | Private company limited by shares | Live |
| ATOZGROUP LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION PRO LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION CONSULTATION LIMITED | Private company limited by shares | Dissolved |
| ATOZRT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ATOZTEC ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC COMPUTERS LIMITED | Private company limited by shares | Live |
| ATOZTEC MARITIME LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC RESOURCES LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Mar-1996 |
| ATOZTEC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| ATOZTRONIC LIMITED | Private company limited by shares | Dissolved |
| ATOZZ (H. K.) CO., LIMITED | Private company limited by shares | Live |