| 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 |
| Mercury Ditio Limited | Private company limited by shares | Live |
| MERCURY SEA & AIR DIVISION LIMITED | Private company limited by shares | Live |
| MERCURY FAR EAST LIMITED | Private company limited by shares | Dissolved |
| MERCURY FAR EAST ENTERPRISE LIMITED | Private company limited by shares | Live |
| Mercury Education Limited | Private company limited by shares | Live |
| Mercury Electronics Limited | Private company limited by shares | Live |
| MERCURY ENERGY LIMITED | Private company limited by shares | Live |
| MERCURY ENGINEERING LIMITED | Private company limited by shares | Live |
| MERCURY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HK MERCURY ENTERPRISE LIMITED | Private company limited by shares | Live |
| MERCURY ENTERPRISES CO. LIMITED | Private company limited by shares | Live |
| MERCURY ETHAN LIMITED | | Live |
| Mercury Foreign Exchange Limited | Private company limited by shares | Live |
| MERCURY EXPORTS LIMITED | Private company limited by shares | Live |
| MERCURY EXPRESS LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Aug-2012 |
| MERCURY FASHION LIMITED | Private company limited by shares | Dissolved |
| MERCURY FAST LIMITED | Private company limited by shares | Live |
| Mercury Films Limited | Private company limited by shares | Live |
| Mercury Financial Solutions Service Limited | Private company limited by shares | Live |
| Mercury Fintech Limited | | Live |
| MERCURY FOOD LIMITED | Private company limited by shares | Live |
| MERCURY SPORTS FOOTWEAR LIMITED | Private company limited by shares | Dissolved |
| MERCURY OCEAN FREIGHT FORWARDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| MERCURY GAMES LIMITED | Private company limited by shares | Dissolved |
| Gentle Mercury Limited | | Live |
| MERCURY GLOBAL LIMITED | Private company limited by shares | Live |
| Mercury Global Investment Co., Limited | Private company limited by shares | Live |
| Mercury Global Trading Limited | Private company limited by shares | Live |
| Golden Mercury Industrial Limited | Private company limited by shares | Dissolved |
| GOLDEN MERCURY INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Mercury Gondola Limited | | Live |
| GREAT MERCURY LIMITED | Private company limited by shares | Dissolved |
| MERCURY GROUP LIMITED | Private company limited by shares | Live |
| MERCURY GROUP LIMITED | Private company limited by shares | Live |
| Mercury Group Asia Limited | Private company limited by shares | Live |
| Mercury Beauty Group Limited | Private company limited by shares | Live |
| HONGKONG MERCURY HOME TEXTILE INT'L GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| First Mercury Group Limited -The- | Private company limited by shares | Live |
| USA MERCURY INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| MERCURY SHIPS GROUP LIMITED | Private company limited by shares | Live |
| MERCURY TRADING GROUP LIMITED | Private company limited by shares | Live |
| Mercury Trading Group Limited | | Live |
| Mercury Height Limited | Private company limited by shares | Live |
| HIRDARAMANI MERCURY APPAREL (PVT) LIMITED | Private company limited by shares | Dissolved |
| ALWIN MERCURY (HK) LIMITED | Private company limited by shares | Live |
| Mercury Shipping (HK) Co., Limited | | Live |
| Mercury (HK) Cross-border E-commerce Limited | Private company limited by shares | Live |
| Mercury (HK) Engineering Company Limited | Private company limited by shares | Live |
| MERCURY EXPRESS (HK) LIMITED | | Live |
| MERCURY INSURANCE COMPANY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MERCURY PRODUCTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Mercury Sports Service (HK) Limited | | Live |
| MERCURY SHIPBROKERS (HK) LIMITED | Private company limited by shares | Dissolved |
| MERCURY TECHNOLOGIES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Mercury EV Charging Technology (HK) Limited | | Live |
| MERCURY (HK) TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED MERCURY BUILDERS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MERCURY ASIA HOLDING LIMITED | Private company limited by shares | Live |
| MERCURY HOLDING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MERCURY HOLDINGS LIMITED | Private company limited by shares | Live |
| Mercury Agriculture Holdings HK Limited | Private company limited by shares | Live |
| MERCURY ELECTRONICS GROUP HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Mercury One Fifteen Holdings Limited | Private company limited by shares | Live |
| Mercury (Hong Kong) Holdings Limited | | Live |
| Mercury Offshore Holdings (HK) Limited | Private company limited by shares | Live |
| Hong Kong Mercury Home Co., Limited | Private company limited by shares | Dissolved |
| HK MERCURY HOME LIFE (INT'L) CO., LIMITED | Private company limited by shares | Live |
| HK MERCURY HOME TEXTILES LIMITED | Private company limited by shares | Live |
| Mercury Engineering Services (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Hong Kong Mercury Import and Export Co., Limited | | Live |
| HONG KONG MERCURY INTERNATIONAL HOTEL PROCURENCENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mercury Industrial (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG MERCURY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HONG KONG MERCURY INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| MERCURY INTERACTIVE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Mercury Hong Kong Trading Limited | | Live |