What is a Unified Business Identifier (UBI) number? A UBI number is a nine-digit number that registers you with several state agencies and allows you to do business in Washington State. …

The WA Sales Tax Rate Look-up App has been updated. Learn about the improvements and download the app.

When you receive your business license, you’ll be assigned a Unified Business Identifier (UBI) number. This number is unique to your business, and you’ll need it whenever you file your …

Find a corporation or LLC registered in Washington with the Office of the Secretary of State's advanced business search. Use the Department of Labor & Industries' verify tool to make sure …

Find the information you need to do business in Washington. Learn how to open, manage, or close your business. File and pay business and occupation (B&O) taxes, explore opportunities …

A UBI number (or Unified Business Identifier) is a nine-digit number that registers you with several state agencies and allows you to do business in Washington State. A UBI number is …

A UBI (Unified Business Identifier) is a 16-digit number issued by Washington State Business License Services. The State requires businesses that meet a certain threshold to register the …

A UBI number is a Washington State Unified Business Identifier. A UBI number is a 9-digit number that registers you with several state agencies and allows you to do business in …

Your business must be licensed by the state of Washington, which will assign you a Unified Business Identifier (UBI) number. This number will be your identification

After you’ve filed your application, you will receive a business license and Unified Business Identifier (UBI) number from the Business Licensing Service. You will also receive a letter from …