Form a S-Corp in Washington

Everything you need to know about forming a S-Corp in Washington. Filing fees, requirements, timeline, and step-by-step guidance.

$200
Filing Fee
7-10 business days
Processing Time
Required
Registered Agent

How to File

1

Choose a Corporate Name

Select an available name that complies with Washington naming requirements and includes 'Corporation,' 'Corp.,' 'Incorporated,' or 'Inc.'

1-2 hours

2

Appoint a Registered Agent

Designate a registered agent with a Washington address to receive legal documents and official correspondence.

30 minutes

3

File Articles of Incorporation

Submit Form 01-20 to the Washington Secretary of State with required information and filing fee.

1 hour

4

Create Corporate Bylaws

Draft internal rules governing corporate operations, though not required to be filed with the state.

2-3 hours

What's Next After Filing

Once your S-Corp is officially formed, you'll want to complete these important steps:

  • Hold Initial Board MeetingConduct first board meeting to adopt bylaws, appoint officers, and issue stock certificates.
  • File Form 2553 with IRSSubmit federal S-Corporation election form within 75 days of incorporation to receive S-Corp tax treatment.
  • Obtain Business LicensesApply for necessary federal, state, and local business licenses and permits specific to your industry.

Advantages

  • Pass-through taxation avoids double taxation
  • Limited liability protection for shareholders
  • Enhanced credibility with customers and vendors
  • Ability to have up to 100 shareholders

Considerations

  • Strict IRS eligibility requirements and ongoing compliance
  • Limited to one class of stock
  • Potential loss of S-Corp status if requirements violated

Annual Obligations

Annual Report Fee:$71
Report Due:By the end of the corporation's anniversary month
Must file annual report with updated corporate information and pay B&O tax if applicable
Last verified: December 2025Source

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Other Business Types in Washington

Form S-Corporation in Washington | Complete Filing Guide 2025 | OpenChamber