How to Form S-Corp in Oregon

Quick Answer

To form an S-Corporation in Oregon, you must first incorporate as a regular corporation by filing Articles of Incorporation with the Oregon Secretary of State, then elect S-Corp tax status with the IRS using Form 2553. As of April 10, 2026, Oregon does not impose a franchise tax on corporations, and the state has an income tax rate ranging from 4.75% to 9.9% with no base sales tax.

Step-by-Step Formation Process

1. Choose and Reserve Your Corporate Name

   • Search Oregon’s business name database to ensure availability
   • Your name must include “Corporation,” “Incorporated,” “Company,” or an abbreviation
   • File a Name Reservation Application if needed to hold your chosen name

2. Appoint a Registered Agent

   • Designate an Oregon resident or business entity authorized to conduct business in Oregon
   • The registered agent must have a physical Oregon address (not a P.O. Box)

3. File Articles of Incorporation

   • Submit Form 20 (Articles of Incorporation) to the Oregon Secretary of State
   • Include required information: corporate name, registered agent details, authorized shares, incorporator information
   • Contact the Secretary of State for current filing fees and processing times

4. Create Corporate Bylaws

   • Draft internal rules governing your corporation’s operations
   • While not filed with the state, bylaws are legally required

5. Hold Initial Board Meeting

   • Elect directors, adopt bylaws, authorize stock issuance
   • Document decisions in corporate minutes

6. Issue Stock Certificates

   • Issue shares to initial shareholders according to your articles and bylaws

7. Obtain Federal EIN

   • Apply for an Employer Identification Number from the IRS
   • Required for tax filings and business banking

8. File Form 2553 for S-Corp Election

   • Submit IRS Form 2553 within 75 days of incorporation or by March 15 of the tax year
   • All shareholders must sign the election form

Costs Breakdown

Contact the Oregon Secretary of State for current information on the following fees:

Fee Type	Amount	Notes
Articles of Incorporation	Contact SOS	Required filing fee
Name Reservation	Contact SOS	Optional, if reserving name in advance
Certified Copies	Contact SOS	For banking and other business needs
Registered Agent Service	Varies	If using commercial service

Fee information last updated: April 10, 2026

Requirements Checklist

Before filing your Articles of Incorporation, ensure you have:

• Chosen an available corporate name with required designator
• Selected a registered agent with Oregon address
• Determined authorized share structure
• Identified initial directors and officers
• Prepared to pay required filing fees
• Planned initial capitalization and stock issuance
• Obtained any required business licenses for your industry

Tax Implications

Federal Tax Treatment: S-Corporations enjoy pass-through taxation, meaning profits and losses flow through to shareholders’ personal tax returns. The corporation itself generally doesn’t pay federal income tax.

Oregon State Taxes: Based on data from April 10, 2026:

• Oregon imposes income tax at rates of 4.75% to 9.9%
• No franchise tax is levied on corporations
• Oregon has no base sales tax (0%)
• S-Corp income passes through to shareholders and is subject to Oregon personal income tax

Self-Employment Tax: S-Corp shareholders who work in the business must pay themselves reasonable salaries subject to payroll taxes, but distributions beyond salary are not subject to self-employment tax.

Ongoing Obligations

Annual Reports: Oregon corporations must file annual reports with the Secretary of State. Contact the Secretary of State for current filing deadlines and fees.

Tax Filings:

• File federal Form 1120S annually by March 15 (or 15th day of 3rd month after fiscal year-end)
• Oregon requires pass-through entities to file state returns
• Issue Schedule K-1 forms to all shareholders

Corporate Maintenance:

• Hold annual shareholder and director meetings
• Maintain corporate records and meeting minutes
• Keep registered agent information current
• Update business licenses as needed

Registered Agent

Oregon law requires all corporations to maintain a registered agent with:

• Physical address in Oregon (not a P.O. Box)
• Availability during normal business hours
• Authority to accept legal documents on behalf of the corporation

You can serve as your own registered agent if you meet these requirements, or hire a commercial registered agent service. The registered agent’s name and address appear in public records and on legal documents.

Common Mistakes to Avoid

1. Missing S-Corp Election Deadline: File Form 2553 within 75 days of incorporation or risk waiting until the next tax year for S-Corp status.

2. Inadequate Salary for Working Shareholders: The IRS requires S-Corp shareholders who work in the business to receive reasonable compensation as employees.

3. Commingling Personal and Business Finances: Maintain separate business bank accounts and proper corporate records to preserve liability protection.

4. Neglecting Annual Report Filings: Late or missed annual reports can result in penalties or administrative dissolution.

5. Improper Stock Ownership: S-Corps are limited to 100 shareholders, one class of stock, and cannot have corporate or partnership shareholders.

6. Failing to Maintain Corporate Formalities: Hold required meetings, document decisions, and maintain corporate records to avoid piercing the corporate veil.

7. Ignoring Oregon-Specific Requirements: Stay current with Oregon Secretary of State requirements, which may differ from other states.

Related Guides

• How to Form S-Corp in Florida 2026: Complete Step-by-Step Guide
• How to Form S-Corp in New Jersey: 2026 Step-by-Step Guide
• How to Form S-Corp in New York: 2026 Step-by-Step Guide
• How to Form S-Corp in Rhode Island: 2026 Step-by-Step Guide
• How to Form Corporation in Oregon: 2026 Step-by-Step Guide

FAQ

How long does it take to form an S-Corp in Oregon?

Contact the Oregon Secretary of State for current processing times for Articles of Incorporation. Once incorporated, you have 75 days to file Form 2553 with the IRS for S-Corp tax election, or you can file by March 15 of the tax year you want the election to take effect.

Can I be my own registered agent in Oregon?

Yes, you can serve as your own registered agent if you’re an Oregon resident or have a physical address in Oregon where you’re available during normal business hours. However, many business owners prefer using a commercial service for privacy and reliability.

What’s the difference between an LLC and S-Corp in Oregon?

Both offer liability protection and pass-through taxation, but S-Corps have more restrictions (limited to 100 shareholders, one class of stock) and require more formalities (board meetings, corporate records). S-Corps can provide self-employment tax savings for active owners through the salary/distribution structure.

Do I need an attorney to form an S-Corp in Oregon?

While not legally required, consulting an attorney is advisable for complex situations. The formation process involves legal documents and ongoing compliance requirements that benefit from professional guidance.

Can non-residents form an S-Corp in Oregon?

Yes, non-residents can incorporate in Oregon, but you’ll need an Oregon registered agent. However, consider whether incorporating in Oregon makes sense for your business operations and tax situation.

What happens if I miss the S-Corp election deadline?

If you miss the 75-day deadline or March 15 deadline, you’ll typically need to wait until the following tax year to make the S-Corp election. In some cases, you may qualify for late election relief from the IRS.

How much does it cost to maintain an S-Corp in Oregon annually?

Ongoing costs include the annual report fee (contact Oregon Secretary of State for current rates), registered agent fees if using a service, tax preparation costs, and any required business licenses. Costs vary based on your specific business needs and whether you use professional services.

Can an S-Corp have foreign ownership?

No, S-Corps cannot have non-resident alien shareholders. All shareholders must be U.S. citizens or residents, which is one of the key restrictions of S-Corp status.

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This information is for educational purposes only and should not be considered legal or tax advice. Business formation requirements and fees change periodically. Consult with an attorney or accountant for advice specific to your situation and verify current requirements with the Oregon Secretary of State.