| MERCURY INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MERCURY INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| MERCURY INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY TRADING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURY INVESTMENT LIMITED | Private company limited by shares | Live |
| Mercury DC Investment Limited | Private company limited by shares | Live |
| MERCURY (ASIA) INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Mercury Investment Holding Limited | Private company limited by shares | Live |
| MERCURY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MERCURY INVESTMENTS LIMITED | Private company limited by shares | Live |
| New Mercury Investments Limited | | Live |
| MERCURY INVESTORS LIMITED | Private company limited by shares | Live |
| Mercury Jewellery Co. Limited | Private company limited by shares | Live |
| Jiuding Mercury Limited | Private company limited by shares | Live |
| Mercury Journey Company Limited | Private company limited by shares | Live |
| MERCURY KINGDOM (HONG KONG) LIMITED | Private company limited by shares | Live |
| MERCURY LINE COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY LOGISTICS LIMITED | Private company limited by shares | Live |
| Mercury Dragon Logistics Limited | Private company limited by shares | Live |
| Mercury Global Logistics Services Limited | Private company limited by shares | Live |
| MERCURY TRADE LOGISTICS LIMITED | | Live |
| Mercury Management Limited | Private company limited by shares | Live |
| MERCURY MANAGEMENT LIMITED | | Live |
| MERCURY ASSETS MANAGEMENT LIMITED | Private company limited by shares | Live |
| MERCURY CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Mercury Catering Management Limited | Private company limited by shares | Live |
| Mercury Global Supply Chain Management Limited | Private company limited by shares | Live |
| HONG KONG MERCURY HOTEL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Mercury Management Service Limited | Private company limited by shares | Live |
| Mercury Sports Management Limited | Private company limited by shares | Live |
| MERCURY MANAGEMENT & TRADING LIMITED | Private company limited by shares | Dissolved |
| Mercury Management & Trading Limited | Private company limited by shares | Live |
| MERCURY MANAGER COMPANY LIMITED | Private company limited by shares | Live |
| TREASURE WEALTH MERCURY MANAGER COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURY ELECTRICAL MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Mariner Limited | Private company limited by shares | Live |
| OCEAN MERCURY MARITIME COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Mercury Digital Marketing Communications Company Limited | Private company limited by shares | Live |
| MERCURY MEDIA LIMITED | Private company limited by shares | Dissolved |
| APOLLO MEDICAL MERCURY LIMITED | Private company limited by shares | Dissolved |
| Mercury Medical Devices Limited | Private company limited by shares | Live |
| MERCURY MIND APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| MERCURY MODELS LIMITED | Private company limited by shares | Dissolved |
| MERCURY DANCING MOVIE LIMITED | Private company limited by shares | Live |
| Mercury 8 Network System Limited | Private company limited by shares | Dissolved |
| MERCURY BY NICE LIMITED | | Live |
| MERCURY NOMINEES LIMITED | Private company limited by shares | Dissolved |
| MERCURY OMNI LIMITED | Private company limited by shares | Dissolved |
| Mercury Partners Limited | Private company limited by shares | Live Commenced dormancy on 18-Jun-2009 |
| Mercury Value Partners Hong Kong Limited | Private company limited by shares | Live |
| MERCURY PEARL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURY PHARM LIMITED | Private company limited by shares | Live |
| MERCURY PHAROS LIMITED | Private company limited by shares | Live |
| MERCURY PHOENIX COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pinnacle Fitness (Mercury) Company Limited | | Live |
| Mercury Beauty Planet Limited | Private company limited by shares | Live |
| MERCURY POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Power Limited | Private company limited by shares | Live |
| MERCURY PRINTING CO., LIMITED | Private company limited by shares | Dissolved |
| MERCURY ENTERTAINMENT PRIVATE LIMITED | Private company limited by shares | Live |
| MERCURY INC. PRIVATE LIMITED | Private company limited by shares | Dissolved |
| MERCURY PRODUCTION CO. LIMITED | Private company limited by shares | Dissolved |
| MERCURY PRODUCTION CO. LIMITED | Private company limited by shares | Live |
| Mercury Project Co., Limited | Private company limited by shares | Live |
| Mercury Property Investment Co Limited | Private company limited by shares | Live |
| MERCURY PUBLICITY ASIA LIMITED | Private company limited by shares | Dissolved |
| MERCURY PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| Mercury Recalls Company Limited | | Live |
| MERCURY RESOURCES LIMITED | Private company limited by shares | Dissolved |
| MERCURY RICH LIMITED | Private company limited by shares | Live |
| 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 |