Get a business license tax certificate
Apply for a new Seattle business license tax certificate.

Renew a business license tax certificate
Your Seattle business license tax certificate expires on Dec. 31. Find out how to renew it.

Cancel a business license tax certificate
Just letting your business license tax certificate expire does not cancel your license.

Find a business
Need to look up a business? Search the database for licensed Seattle businesses.

Business assistance
The Office of Economic Development provides direct services to Seattle businesses, including permitting assistance, financing, advocacy, location assistance and the development of successful business districts.