| WESTOCEAN MARINE MACHINERY CO., LIMITED | Private company limited by shares | Live |
| WESTOCEAN NAVIGATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTOE LIMITED | Private company limited by shares | Dissolved |
| WESTOLOGY LIMITED | Private company limited by shares | Live |
| WESTON LIMITED | Private company limited by shares | Dissolved |
| WESTON LIMITED | Private company limited by shares | Live |
| Ava Weston Limited | Private company limited by shares | Dissolved |
| GERMANY WESTON AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WESTON ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| WESTON HEALTHCARE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| WESTON GROUP CO., LIMITED | Private company limited by shares | Live |
| COLIN WESTON EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| WESTON PAN PACIFIC CONSULTING LIMITED | Private company limited by shares | Dissolved |
| WESTON CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WESTON CREATION LIMITED | Private company limited by shares | Live |
| WESTON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN WESTON ELECTROMECHANICAL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| WESTON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WESTON ENGINEERING LIMITED | Private company limited by shares | Live |
| WESTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WESTON ENVIRONMENT LIMITED | Private company limited by shares | Live |
| WESTON (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| WESTON FINANCE LIMITED | Private company limited by shares | Dissolved |
| WESTON HANG FUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTON GARMENT LIMITED | Private company limited by shares | Dissolved |
| Weston (HK) Electronics CO., Limited | Private company limited by shares | Live |
| WESTON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WESTON HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG WESTON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Hongkong Weston (International) Group Foods Limited | Private company limited by shares | Live |
| WESTON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTON INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| WESTON INDUSTRY LIMITED | Private company limited by shares | Live |
| WESTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WESTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WESTON INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Weston (America) International Petroleum Limited | Private company limited by shares | Live |
| NEW WESTON INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WESTON INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTON INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| WESTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| J.M. WESTON CHINA LIMITED | Private company limited by shares | Live |
| LOUIS WESTON COSMETICS CO., LIMITED | Private company limited by shares | Live |
| HK WESTON HOTEL MANAGEMENT YATAI CO., LIMITED | Private company limited by shares | Live |
| WESTON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Weston Pacific Limited | Private company limited by shares | Live |
| JM Weston Asia Pacific Limited | Private company limited by shares | Live |
| WESTON PERSONNEL CONSULTANTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTON PHARMACEUTICAL LIMITED | Private company limited by shares | Dissolved |
| WESTON POINTER LIMITED | Private company limited by shares | Live |
| WESTON POINTER DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| WESTON SANITARY WARE LIMITED | Private company limited by shares | Live |
| WESTON SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Weston & Abigail Studio Limited | Private company limited by shares | Live |
| WESTON TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| WESTON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WESTON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WESTON TEXTILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTON TRADING LIMITED | Private company limited by shares | Dissolved |
| WESTON TRADING LIMITED | Private company limited by shares | Dissolved |
| WESTON TRADING LIMITED | Private company limited by shares | Live |
| WESTON TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| Westona Limited | Private company limited by shares | Live |
| WESTONARIA LIMITED | Private company limited by shares | Dissolved |
| WESTONE COMPANY LIMITED | Private company limited by shares | Live |
| BEIJING WESTONE TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| WESTONE (GERMANY) OIL CHEMICAL TECHNOLOGY DEVELOP CO., LIMITED | Private company limited by shares | Live |
| WESTONE (HK) TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WESTONE HOLDINGS LIMITED | Private company limited by shares | Live |
| WESTONE (HONG KONG) LIMITED | Private company limited by shares | Live |
| WESTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WESTONE MACHINERY&ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Westone Marine Services Co., Limited | Private company limited by shares | Live |
| WESTONE TRADING TECH CO., LIMITED | Private company limited by shares | Live |
| WESTONIA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WESTOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTOP HK COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTOST LIMITED | Private company limited by shares | Dissolved |
| WESTOWER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WESTOWN LIMITED | Private company limited by shares | Live |