| Mercury EV Mega Charging Service Limited | | Live |
| MERCURY SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| Mercury Services Company Limited | Private company limited by shares | Live |
| MERCURY CONSULTANCY SERVICES LIMITED | Private company limited by shares | Dissolved |
| MERCURY CONSULTING SERVICES LIMITED | Private company limited by shares | Dissolved |
| Mercury Corporate Services Limited | Private company limited by shares | Live |
| MERCURY FINANCIAL SERVICES LIMITED | Private company limited by shares | Live |
| Mercury Incorporation Services Limited | Private company limited by shares | Live |
| MERCURY MARINE SERVICES LIMITED | Private company limited by shares | Dissolved |
| SHANDONG MERCURY INDUSTRY CO., LIMITED | | Live |
| MERCURY SHIP MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURY SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Shipping Limited | Private company limited by shares | Live |
| MERCURY SHIPPING LIMITED | Private company limited by shares | Live |
| Pacific Mercury Shipping Company Limited | Private company limited by shares | Live |
| SILVER MERCURY LIMITED | Private company limited by shares | Dissolved |
| MERCURY SOLUTIONS LIMITED | Private company limited by shares | Live |
| Mercury Trading & Sourcing Limited | Private company limited by shares | Live |
| MERCURY SPEED LIMITED | Private company limited by shares | Live |
| MERCURY SQUARE LIMITED | Private company limited by shares | Dissolved |
| MERCURY STATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Reading Station Limited | Private company limited by shares | Dissolved |
| MERCURY STEAMSHIP COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY STEAMSHIPS LIMITED | Private company limited by shares | Live |
| Mercury Data Storage Limited | Private company limited by shares | Live |
| Mercury Tech Limited | Private company limited by shares | Live |
| MERCURY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MERCURY RECYCLING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Mercury FinDirect Trading Technologies Limited | Private company limited by shares | Live |
| Mercury Technology Limited | Private company limited by shares | Dissolved |
| MERCURY TWO TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| MERCURY TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| HK MERCURY BIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MERCURY TECHNOLOGY SOLUTION COMPANY LIMITED | Private company limited by shares | Live |
| Mercury Textile and Energy Limited | Private company limited by shares | Live |
| Tonic Mercury Limited | Private company limited by shares | Live |
| MERCURY TRADE LIMITED | Private company limited by shares | Live |
| MERCURY TRADING HK LIMITED | Private company limited by shares | Live |
| MERCURY WEB TRADING LIMITED | Private company limited by shares | Live |
| MERCURY PRO TRADING LIMITED | Private company limited by shares | Live |
| MERCURY TRAVEL LIMITED | Private company limited by shares | Dissolved |
| MERCURY TRAVEL COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY UNDERWATER KINETICS LIMITED | Private company limited by shares | Dissolved |
| Mercury Universal Limited | Private company limited by shares | Live |
| MERCURY VENTURES LIMITED | Private company limited by shares | Live |
| Mercury Victory Shipping Limited | | Live |
| MERCURY WOODWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINY AND MERCURY WORKSHOP LIMITED | Private company limited by shares | Live |
| Mercury Worldwide Limited | Private company limited by shares | Live |
| MERCURYNOX LIMITED | Private company limited by shares | Dissolved |
| MERCURYSTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURYSTONE COMPANY LIMITED | Private company limited by shares | Live |