| WYN(HK)BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WYNI Holding Limited | | Live |
| WYNI Technology Limited | | Live |
| Wynja Limited | Private company limited by shares | Live |
| WYNLAM LIMITED | Private company limited by shares | Dissolved |
| WYNLET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Wynlifeonline Limited | Private company limited by shares | Dissolved |
| Wynn & Syn Company Limited | Private company limited by shares | Live |
| WYNN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Wynn wine Limited | | Live |
| Hong Kong WynnCo International Trading Co., Limited | Private company limited by shares | Live |
| WYNNCOR LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Feb-2004 |
| Wynncorp International Limited | Private company limited by shares | Dissolved |
| WYNND INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| WYNNE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNNE ARTS CENTRE LIMITED | Private company limited by shares | Dissolved |
| YEN BROTHERS & WYNNE LIMITED | Private company limited by shares | Dissolved |
| WYNNE BUTCHERY (HOP KEE) LIMITED | Private company limited by shares | Dissolved |
| WYNNE MING (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNNE ENTERPRISE HOLDING CO., LIMITED | Private company limited by shares | Live |
| WYNNE CHANNEL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| YEN BROTHERS AND WYNNE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| POON WYNNE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WYNNE AND COMPANY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| POON WYNNE TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| POON WYNNE POULTRY LIMITED | Private company limited by shares | Dissolved |
| WYNNEWOOD (HEYUAN) COMPANY LIMITED | Private company limited by shares | Live |
| WYNNEWOOD OPTOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| WYNNIE LAND AND TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNNITON LIMITED | Private company limited by shares | Dissolved |
| Wynnjet Co., Limited | | Live |
| WYNNSON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNNSTAY LIMITED | Private company limited by shares | Dissolved |
| WYNNUS LIMITED | Private company limited by shares | Dissolved |
| WYNNWELL LIMITED | Private company limited by shares | Dissolved |
| WYNN-WRIGHT LIMITED | Private company limited by shares | Dissolved |
| Wynn-Wright Limited | Private company limited by shares | Live |
| WYNOK COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNSMUTH LIMITED | Private company limited by shares | Dissolved |
| Wynson Consulting Limited | Private company limited by shares | Live |
| Wynson Group Limited | Private company limited by shares | Live |
| WYNSON INVESTMENT AND INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| WYNSON INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| Wynson Asset Management Limited | Private company limited by shares | Live |
| Wynson Multi Family Office Limited | | Live |
| Wynson Securities Limited | Private company limited by shares | Live |
| WYNSORON COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNTACO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WYNTACO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WYNTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNTON GROUP LIMITED | Private company limited by shares | Live |
| WYNTOWN LIMITED | Private company limited by shares | Dissolved |
| WYNTR Trading Limited | Private company limited by shares | Live |
| WYNTRONIX LIMITED | Private company limited by shares | Live |
| WYNYARD COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYNYARD TRADING DEVELOP LIMITED | | Live |
| Wynyard Global Trading Co., Limited | | Live |
| WYNYARD INSURANCE CONSULTANTS LIMITED | Private company limited by shares | Live |
| WYNYARD INVESTMENT COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 13-Nov-2009 |
| Wyofa Co., Limited | Private company limited by shares | Live |
| WYOM TELECOM Limited | Private company limited by shares | Live |
| Wyoming Health Centre Company Limited | Private company limited by shares | Live |
| WYOMING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WYONA LIMITED | Private company limited by shares | Live |
| Wyou Trading Co., Limited | | Live |
| WYOUTARGET LIMITED | Private company limited by shares | Live |
| TAIYUAN WYPLEX INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| WYPLUS WINE COMPANY LIMITED | Private company limited by shares | Live |
| WYPOL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WYPOL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WYPOL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WYPSF LIMITED | Private company limited by shares | Live |
| WYRE LIMITED | Private company limited by shares | Live |
| Wyre Payments CSC Limited | Private company limited by shares | Live |
| WYRESTORM HOLDING LIMITED | Private company limited by shares | Live |
| Wyrsch Limited | Private company limited by shares | Live |
| WYSA EDUCATION LIMITED | | Live |
| WYSALL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WYSB Trading Limited | Private company limited by shares | Live |
| WYSE 3D LIMITED | Private company limited by shares | Live |
| WYSE COMPANY LIMITED | Private company limited by shares | Live |
| WYSELEAD CONSULTING LIMITED | Private company limited by shares | Dissolved |
| WYSEMAN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WYSERMANN COMPANY LIMITED | Private company limited by shares | Live |
| WYSH DATA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| wysiwic Limited | | Live |
| Feneur WYSIWYG Limited | Private company limited by shares | Live |
| WYSNER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WYSON LIMITED | Private company limited by shares | Live |
| WYSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Wyson Investment Limited | Private company limited by shares | Live |
| Wysor Co. Limited | Private company limited by shares | Live |
| WYSS ENTERPRISES LIMITED | Private company limited by shares | Live |
| WYSS PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WYSS SOLUTIONS LIMITED | Private company limited by shares | Live |
| WYSTAN LIMITED | Private company limited by shares | Live |
| Wystan Enterprise Limited | Private company limited by shares | Live |
| WYSTEK LIMITED | Private company limited by shares | Dissolved |
| WYSTERIA LIMITED | Private company limited by shares | Dissolved |
| WYSTERIA LIMITED | Private company limited by shares | Live |