| William Shawn Trading Limited | | Live |
| WILLIAM K. C. SHUM & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| WILLIAM SOERYADJAYA LIMITED | Private company limited by shares | Dissolved |
| WILLIAM Y.W. WONG & SONS LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Oct-2005 |
| WILLIAM SOONG & CO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| William Stanley Consulting Limited | | Live |
| WILLIAM J. STEVENSON AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| STEWART WILLIAM LIMITED | Private company limited by shares | Dissolved |
| WILLIAM & STONE CAPITAL LIMITED | Private company limited by shares | Live |
| WILLIAM LEUNG STUDIO LIMITED | Private company limited by shares | Live |
| WILLIAM LUCAS STUDIO LIMITED | Private company limited by shares | Live |
| WILLIAM SUPERMARKET LIMITED | Private company limited by shares | Dissolved |
| SWEET WILLIAM LIMITED | Private company limited by shares | Dissolved |
| WILLIAM Y. L. TANG & CO. LIMITED | Private company limited by shares | Dissolved |
| CP WILLIAM TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| William Thomas Limited | Private company limited by shares | Dissolved |
| William Thomas Group Limited | Private company limited by shares | Live |
| WILLIAM TONG & COMPANY LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TRADE LIMITED | Private company limited by shares | Live |
| TRADEDATA WILLIAM ALEXANDER LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TRADING LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TRADING COMPANY LIMITED | Private company limited by shares | Live |
| KAI WILLIAM TRADING LIMITED | Private company limited by shares | Live |
| WILLIAM CHAN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAM TRADING & INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAM KAI YUEN TRADING LIMITED | Private company limited by shares | Dissolved |
| WILLIAM TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAM TUEN PRODUCTIONS COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAM TURNER & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| HK WILLIAM UNION AUCTION CO., LIMITED | Private company limited by shares | Live |
| WILLIAM VIET-NAM INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Virtus Dr WL William Chan Limited | Private company limited by shares | Live |
| WILLIAM (WEI WEN) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAM WIGHT AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| WILLIAM & WILSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| WILLIAM AND WINSTON COMPANY, LIMITED | Private company limited by shares | Live |
| WILLIAM AND WONG LIMITED | Private company limited by shares | Dissolved |
| WILLIAM WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| William&Alia Trading Co., Limited | Private company limited by shares | Live |
| WILLIAMITTIA RESOURCES (ASIA) LIMITED | Private company limited by shares | Live |
| Britain WilliamPolo Group Limited | Private company limited by shares | Live |
| R. C. WILLIAMS AND COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAMS LIMITED | Private company limited by shares | Live |
| Williams Eng Limited | Private company limited by shares | Live |
| Two Williams Limited | | Live |
| Advantage Williams Limited | Private company limited by shares | Dissolved |
| WILLIAM'S KITCHEN LIMITED | Private company limited by shares | Live |
| Magnus Williams Limited | Private company limited by shares | Live |
| WARREN WILLIAMS & COMPANY LIMITED | Private company limited by shares | Dissolved |
| WILLIAMSBURG LIMITED | Private company limited by shares | Dissolved |
| WILLIAMSBURG COMPANY LIMITED | Private company limited by shares | Live |
| WILLIAMSDABO GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WILLIAMSON & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| T B WILLIAMSON LIMITED | Private company limited by shares | Live |
| Williamson Limited | Private company limited by shares | Live |
| WILLIAMSON & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| WILLIAMSON GROUP LIMITED -THE- | Private company limited by shares | Live |
| WILLIAMSON MARINE SERVICE LIMITED | Private company limited by shares | Live |
| WILLIAMSON SECRETARIAL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Oct-1993 |
| Williamson-Dickie HK Holding Company Limited | Private company limited by shares | Live |
| Williamson-Dickie APAC Holding Company Limited | Private company limited by shares | Live |
| Willian Limited | Private company limited by shares | Live |
| WILLIANION COMPANY LIMITED | Private company limited by shares | Dissolved |
| U.S.A. SHERWIN WILLIAS CHEMICAL INDUSTRY LIMITED | Private company limited by shares | Dissolved |