Department of Labor / Department of Employment Security / U.S. Post Office / Department of Revenue / Obligations Department / Business Licensing Service / Employment Security Department’s Job Service Center / Washington Relay Service / Corporations Division / office of the Secretary / Employment Security Department / / /
UBI number Information for New Registrants What is a "UBI" number? The Unified Business Identifier (UBI) is assigned to the owner of a business when a Business Application is filed for the first time. If filing for a le