| MERCURY RISING LIMITED | Private company limited by shares | Dissolved |
| HK MERCURY ROUTER INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Mercury Science & Trade Limited | | Live |
| Mercury Secretarial Limited | Private company limited by shares | Live |
| MERCURY SECRETARIES LIMITED | Private company limited by shares | Dissolved |
| MERCURY JUN SECRETARY LIMITED | | Live |
| Mercury Semiconductor HK Limited | Private company limited by shares | Live |
| MERCURY SERVICE LIMITED | Private company limited by shares | Live |
| 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 |
| MERCUS LIMITED | Private company limited by shares | Dissolved |
| Mercus Entertainment Company Limited | Private company limited by shares | Live |
| MERCUTIO HOLDINGS LIMITED | Private company limited by shares | Live |
| Mercutio International Company Limited | Private company limited by shares | Live |
| MERCY LIMITED | Private company limited by shares | Dissolved |
| ALP MERCY LIMITED | Private company limited by shares | Live |
| MERCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCY LIMITED | Private company limited by shares | Dissolved |
| MERCY POP LIMITED | Private company limited by shares | Dissolved |
| Mercy F&B Limited | Private company limited by shares | Live |
| MERCY LIMITED | Private company limited by shares | Live |
| Mercy HK Limited | Company limited by guarantee | Live |
| JOY MERCY LIMITED | Private company limited by shares | Live |
| No Mercy Limited | Private company limited by shares | Live |
| MERCY SPA LIMITED | | Live |
| Mercy Grace's Home (Aberdeen) Limited | Private company limited by shares | Live |
| MERCY ACCORD LIMITED | Private company limited by shares | Dissolved |
| MERCY FAITH EMPLOYMENT AGENCY LIMITED | Private company limited by shares | Dissolved |
| CHRISTIAN ALLIANCE MERCY CHURCH LIMITED | Company limited by guarantee | Live |
| AMIGOS OF MERCY LIMITED | Private company limited by shares | Live |
| Mercy For Animals Asia Limited | Company limited by guarantee | Live |
| Mercy Association Limited | Private company limited by shares | Live |
| CHINESE SHANDAO MERCY ASSOCIATION LIMITED | Private company limited by shares | Live |
| MERCY BEAUTY LIMITED | | Live |
| MERCY BRAVE LIMITED | Private company limited by shares | Live |
| MERCY BUDDHA MISSION LIMITED | Company limited by guarantee | Live |
| MERCY AND CARE LIMITED | Company limited by guarantee | Live |
| Mercy Elderly Care Centre Limited | Private company limited by shares | Live |
| MERCY CHARM LIMITED | Private company limited by shares | Dissolved |
| CHARTER MERCY INVESTMENTS LIMITED | Private company limited by shares | Live |
| CHINA MERCY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCY & MEEK (CHINA) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Mercy Grace's Home (Kowloon City) Limited | Private company limited by shares | Live |
| MERCY IMPORT & EXPORT TRADE (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| MERCY NURSING HOME CO., LIMITED | Private company limited by shares | Live |
| MERCY SALVARE CO., LIMITED | Private company limited by shares | Live |
| MERCY SHIPPING CO., LIMITED | Private company limited by shares | Live |
| MERCY CONSULTANT LIMITED | Private company limited by shares | Live |
| HK MERCY INTERNATIONAL TRADING AND CONSULTING LIMITED | Private company limited by shares | Live |
| MERCY CORPORATION LIMITED | Private company limited by shares | Live |