To register your business, use the My DOR online business licensing system. 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 the Department of Revenue with your UBI/account ID number and filing frequency.
To learn more about doing business in Washington, visit Business.wa.gov.
All monthly, quarterly, and annual filers must file and pay their excise taxes electronically. For more information, visit our mandatory e-file page.
For taxpayers who are not required to file and pay electronically:
File and pay your taxes online using My DOR.