| BUSINESS MERCURIUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercurius Capital Limited | Private company limited by shares | Live |
| Mercurius E-commerce Limited | | Live |
| Mercurius Innovation Limited | Private company limited by shares | Live |
| Mercurius Consulting (Hong Kong) Group Limited | Private company limited by shares | Live |
| Mercurius Talent Management Limited | | Live |
| MERCURIUS PAYMENTS LIMITED | Private company limited by shares | Live |
| Mercurius Strategy Limited | Private company limited by shares | Live |
| MERCURY LIMITED | Private company limited by shares | Dissolved |
| MERCURY INX LIMITED | Private company limited by shares | Dissolved |
| MERCURY LIMITED | Private company limited by shares | Dissolved |
| MERCURY FU BAO COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY LIMITED | Private company limited by shares | Dissolved |
| NH & Mercury Limited | Private company limited by shares | Live |
| Mercury FX Limited | Private company limited by shares | Live |
| AT Mercury Limited | Private company limited by shares | Live |
| Mercury C Limited | Private company limited by shares | Live |
| Mercury Pi Limited | Private company limited by shares | Live |
| Mercury Lux Limited | Private company limited by shares | Live |
| CL Mercury Limited | Private company limited by shares | Live |
| BP Mercury Limited | Private company limited by shares | Live |
| GAS MERCURY LIMITED | Private company limited by shares | Live |
| MERCURY TO MA LIMITED | Private company limited by shares | Live |
| TIL Mercury Company Limited | Private company limited by shares | Live |
| Mercury ULD Limited | | Live |
| MERCURY A LIMITED | | Live |
| K MERCURY LIMITED | | Live |
| Mercury Active (HK) Limited | Private company limited by shares | Live |
| ALLIANCE MERCURY LIMITED | Private company limited by shares | Live |
| Alpha Mercury Limited | Private company limited by shares | Live |
| AMAZING MERCURY LIMITED | Private company limited by shares | Live |
| AMAZING MERCURY 2 LIMITED | Private company limited by shares | Live |
| AMAZING MERCURY 3 LIMITED | Private company limited by shares | Live |
| AMAZING MERCURY 4 LIMITED | Private company limited by shares | Live |
| AMAZING MERCURY 5 LIMITED | Private company limited by shares | Live |
| Amdipharm Mercury (Hong Kong) Limited | Private company limited by shares | Live |
| Ameba Mercury Limited | | Live |
| CAPITAL MERCURY APPAREL (HK), LIMITED | Private company limited by shares | Dissolved |
| AQUA IN MERCURY COMPANY LIMITED | Private company limited by shares | Live |
| Mercury Asia Limited | Private company limited by shares | Live |
| Mercury Supply Chain Asia Limited | Private company limited by shares | Live |
| MERCURY ASIA ENTERPRISES LIMITED | Private company limited by shares | Live |
| MERCURY SOFTWARE ASIA-PACIFIC LIMITED | Private company limited by shares | Dissolved |
| MERCURY ASTRO-TECH LIMITED | Private company limited by shares | Live |
| Mercury Base Supply Chain Limited | | Live |
| Hong Kong Mercury biotech Co., Limited | Private company limited by shares | Live |
| Mercury Blue Investment Limited | Private company limited by shares | Live |
| Mercury Brands HK Limited | Private company limited by shares | Dissolved |
| MERCURY CAPITAL LIMITED | Private company limited by shares | Live |
| MERCURY CENTRE LIMITED -THE- | Private company limited by shares | Live |
| MERCURY CENTURY LIMITED | Private company limited by shares | Live |
| MERCURY CHEMICALS HK LIMITED | Private company limited by shares | Live |
| Mercury Chengdu Limited | Private company limited by shares | Live |
| MERCURY CHINA LIMITED | Private company limited by shares | Dissolved |
| MERCURY CHOICE COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY CO., LIMITED | Private company limited by shares | Live |
| MERCURY TNK CO., LIMITED | Private company limited by shares | Live |
| Mercury (China) Co., Limited | Private company limited by shares | Live |
| MERCURY MARINE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Mercury Enterprise Co., Limited | Private company limited by shares | Live |
| MERCURY GLOBAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| CD MERCURY INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| CSCL MERCURY SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Mercury Technology Co., Limited | Private company limited by shares | Live |
| MERCURY TRADE CO., LIMITED | Private company limited by shares | Live |
| MERCURY TRADING CO., LIMITED | Private company limited by shares | Live |
| MERCURY YYF TRADING CO., LIMITED | | Live |
| MERCURY PLAN COSMETICS TRADING CO., LIMITED | Private company limited by shares | Live |
| Mercury Commodities Trading Limited | | Live |
| Mercury Communication Co., Limited | Private company limited by shares | Live |
| Mercury Communications Limited | | Live |
| MERCURY COMMUNICATIONS (ASIA) LIMITED | Private company limited by shares | Live |
| MERCURY COMPUTER TRADING SERVICE LIMITED | Private company limited by shares | Dissolved |
| MERCURY CONCEPT LIMITED | Private company limited by shares | Live |
| MERCURY CONNECTION CONSULTING CO., LIMITED | Private company limited by shares | Live |
| MERCURY CONSTRUCTION CO. LIMITED | Private company limited by shares | Live |
| MERCURY CONSULTANTS LIMITED | Private company limited by shares | Live |
| Mercury Consulting Limited | | Live |
| Mercury Consulting (China) Limited | Private company limited by shares | Live |
| MERCURY GOLDWELL CONSULTING LIMITED | Private company limited by shares | Dissolved |
| MERCURY CONSULTING GROUP LIMITED | Private company limited by shares | Live |
| MERCURY TRADING AND CONSULTING LIMITED | Private company limited by shares | Dissolved |
| MERCURY WEIGHING AND CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MERCURY CORP LIMITED | Private company limited by shares | Live |
| Mercury Corp Limited | | Live |
| MERCURY TRADING CORP LIMITED | Private company limited by shares | Live |
| MERCURY CONSULTING (HONG KONG) CORPORATION LIMITED | Private company limited by shares | Live |
| MERCURY NAVIGATION CORPORATION LIMITED | Private company limited by shares | Live |
| MERCURY CREPES LIMITED | Private company limited by shares | Dissolved |
| MERCURY SPORTS AND CULTURE LIMITED | Private company limited by shares | Live |
| Dazzling Mercury Investments Limited | Private company limited by shares | Live |
| MERCURY DESIGN LIMITED | Private company limited by shares | Live |
| Mercury Design and Build Company Limited | | Live |
| Mercury Development Limited | Private company limited by shares | Live |
| CD MERCURY DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Mercury Global Development Co., Limited | Private company limited by shares | Live |
| MERCURY SHOES DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Trading and Development Corporation Limited | Private company limited by shares | Live |
| MERCURY DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRST DIRECT MERCURY LIMITED | Private company limited by shares | Dissolved |