Unified Business Identifier (UBI) in Washington State
A UBI number is a nine-digit number that registers you with several Washington state agencies. Use the Business License Application to apply for a UBI number. Your UBI number works across agencies.
Washington State will provide a UBI number to a registered business. Local agencies will use the UBI to identify a business. When you file for a UBI, you must pay a $15 fee, plus an extra $5 for each additional trade name.
Importance and Usage of UBI Number
At its core, a UBI number, which stands for “Unique Business Identifier,” is assigned by the Washington Secretary of State’s office. It serves as your business’s identification number within the state’s registry system. Registering for a UBI number ensures that your business operates legally.
Obtaining a UBI Number in Washington State
If you operate a business in Washington state, and hire employees or collect and pay Washington taxes, then you are required to get a UBI number. All licensed businesses receive a UBI number once they apply for a business license. The nine-digit UBI number identifies your business.