What is a UBI number?
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 Washington State. A UBI number is sometimes called a tax registration number, a business registration number, or a business license number. Apply for a UBI number at the Department of Revenue website, using their business license application form.Department of Revenue Business Licensing Service

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1. How much is a business license?
2. Where do I apply for a business license?
3. What is a UBI number?
4. How do I renew my business license?