Business guide / official starting points

Starting a business in Washington

The short answer: define the activity and location, choose the structure, register when required, then complete state, local, and industry licensing.

Reviewed July 24, 2026General informationOfficial links included

UBI

Direct answer

There is no single universal filing.

Entity registration, a Washington business license, city endorsements, professional rules, permits, and tax setup are related but not interchangeable. Start with the state’s official business guide and licensing tools.

Define the activity and location

Licensing and local requirements depend on what you do, where you operate, and whether you have employees or regulated work.

Choose a structure deliberately

Compare legal, tax, ownership, and administrative consequences with qualified advisers when needed. The state does not choose for you.

Register the entity when required

Use the Washington Secretary of State for applicable entity filings, and keep the confirmation and UBI information.

Complete state licensing

Use the Department of Revenue business licensing resources and wizard to identify state and participating local endorsements.

Check city, county, and industry rules

Zoning, permits, professional licensing, health, signage, home occupation, and other requirements can sit outside the first state filing.

Set up ongoing obligations

Plan for taxes, payroll, workers’ compensation, unemployment insurance, annual reports, renewals, records, and beneficial ownership rules that may apply.

Decisions to settle first

Bring these answers to the official tools.

01Owners
Who owns and controls the business?
02Activity
What exactly will it sell or do?
03Location
Where will work, storage, and customer activity occur?
04People
Will it hire employees or contractors?

Setup checklist

Read the Washington Small Business Guide Confirm structure and naming decisions Register the entity when applicable Use the state business licensing resources Check local and industry-specific requirements Calendar renewals, reports, taxes, and employment obligations

Sources & review

Check the current source before the hinge of your trip.

This is general orientation, not legal, tax, accounting, licensing, or financial advice. Requirements vary by activity, entity, location, and workforce.

Reviewed July 24, 2026