Business Registration & Taxes

IRS Small Business and Self Employed Tax Center
Whether you are a budding entrepreneur, or an established business owner, you will find everything you need to keep your business venture federally tax compliant. Includes information on business and employment taxes, tax ID (EIN) numbers and access to forms and instructions.

Washington State Department of Revenue
Provides you with the information you need to meet your state taxpaying responsibilities. The site contains detailed information about state tax rates along with forms and instructions.

Washington State Department of Licensing
You can use this website obtain your Master Business License or any professional licenses that you require. There is also detailed information about selecting a business entity type.

Washington State Secretary of State
Search for available names for your corporation or LLC, register your company online and download forms and instructions.

Seattle Department of Executive Administration
Anyone engaging in business within the Seattle city limits needs a business license and may have to pay business tax as well. Here you will find answers to many of your business license and taxes questions such as how to file a tax return.