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The Washington Secretary of State Corporations and Charities System enables a search of its database for registered business entities.

All businesses operating in the State of Washington must get a Washington State Business Licensing Service external link.

You can find information on any corporation or business entity in Washington or another state by performing a search on the Secretary of State website.

Search the database for licensed Seattle businesses. You can search by business name, industry type or zip code. The Seattle business license tax certificate ...

Search for businesses and charities with this web tool from the Secretary of State. Source: Corporations Search (Washington state)

Lookup a business in Washington State. Verify a business name, entity registration, or business license. Starting a business? Search business names.

You conduct a business name search using the Washington SOS website, which records all registered business filings in the Evergreen State.

Learn how to conduct a Washington business entity search. We cover the steps and resources for finding information on registered businesses in the state.