How to Form S-Corp in Ohio: 2026 Step-by-Step Guide

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How to Form S-Corp in Ohio

Quick Answer

To form an S Corporation in Ohio, you must first incorporate as a regular corporation by filing Articles of Incorporation with the Ohio Secretary of State for a $99 filing fee, then elect S Corp tax status with the IRS. As of April 10, 2026, Ohio processes corporate formations in 3-5 business days when filed online, and the state requires a registered agent but imposes no state income tax on business income.

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Step-by-Step Formation Process

  1. Choose and Reserve Your Corporate Name: Search the Ohio Secretary of State’s business database to ensure your desired name is available. The name must include “Corporation,” “Corp.,” “Incorporated,” or “Inc.” and cannot conflict with existing entities.

  2. Appoint a Registered Agent: Designate a registered agent with an Ohio address who will receive legal documents and official correspondence on behalf of your corporation.

  3. File Articles of Incorporation: Submit Form 532 (Articles of Incorporation) to the Ohio Secretary of State either online at ohiosos.gov or by mail. Include the corporate name, registered agent information, number of authorized shares, and incorporator details.

  4. Pay the Filing Fee: Submit the $99 filing fee along with your Articles of Incorporation. Online filings are processed faster than mail submissions.

  5. Obtain Your EIN: Apply for an Employer Identification Number from the IRS using Form SS-4 or the online EIN application system.

  6. File Form 2553 for S Corp Election: Submit IRS Form 2553 (Election by a Small Business Corporation) within 75 days of incorporation to elect S Corporation tax status. All shareholders must sign this form.

  7. Create Corporate Bylaws: Draft bylaws outlining your corporation’s internal operating procedures, though Ohio doesn’t require filing them with the state.

  8. Hold Organizational Meeting: Conduct your first board meeting to adopt bylaws, elect officers, and issue stock certificates to initial shareholders.

Costs Breakdown

Fee TypeAmountNotes
Articles of Incorporation Filing Fee$99Required state fee as of April 2026
Name Reservation (optional)Contact Secretary of StateIf you want to reserve your name before filing
Registered Agent Service$100-300/yearIf using a professional service
EIN ApplicationFreeDirect from IRS website
Form 2553 FilingFreeIRS S Corp election form
Certified CopiesContact Secretary of StateFor banking and other business needs

Total Minimum Cost: $99 (plus registered agent if using a service)

Requirements Checklist

Before filing your S Corporation in Ohio, ensure you have:

  • Available corporate name ending in Corporation, Corp., Incorporated, or Inc.
  • Registered agent with Ohio address
  • Articles of Incorporation completed (Form 532)
  • $99 filing fee
  • List of initial shareholders (maximum 100 for S Corp status)
  • Incorporator information (person filing the documents)
  • Number of authorized shares determined
  • Corporate bylaws drafted
  • EIN application ready for submission
  • Form 2553 prepared for S Corp election

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Tax Implications

Ohio S Corporations enjoy several tax advantages compared to other business structures:

State Income Tax: Ohio does not impose state income tax on business income. Instead, businesses with gross receipts exceeding $150,000 annually pay the Commercial Activity Tax (CAT) at a rate of 0.26% on gross receipts above $1 million.

Federal Tax Treatment: As an S Corporation, your business passes income, losses, deductions, and credits through to shareholders’ personal tax returns, avoiding double taxation. Shareholders pay federal income tax on their share of profits, regardless of whether distributions are made.

Self-Employment Tax Savings: S Corp shareholders who work in the business must take reasonable salary subject to payroll taxes, but additional profits distributed as dividends are not subject to self-employment tax, potentially saving thousands annually.

Sales Tax: Ohio’s base sales tax rate is 5.75%, though local jurisdictions may add additional taxes. S Corporations engaged in retail sales must register for and collect sales tax.

Ongoing Obligations

Ohio S Corporations have minimal ongoing compliance requirements:

Annual Reports: Ohio does not require corporations to file annual reports or pay annual fees, making it one of the most business-friendly states for ongoing compliance.

Federal Tax Filings: File Form 1120S (S Corporation Income Tax Return) annually by March 15th, with automatic six-month extension available.

Payroll Tax Obligations: If you have employees (including owner-employees taking salary), file quarterly payroll tax returns and make required deposits.

Corporate Records: Maintain corporate records including bylaws, meeting minutes, stock certificates, and shareholder records at your principal office.

Registered Agent: Keep a registered agent on file with the Ohio Secretary of State and notify them of any address changes.

Registered Agent

Ohio law requires all corporations to maintain a registered agent with an Ohio address. The registered agent serves legal documents, receives official state correspondence, and ensures you don’t miss important deadlines or legal notices.

Requirements: Your registered agent must have a physical Ohio address (not a P.O. Box) and be available during regular business hours. You can serve as your own registered agent if you have an Ohio address, or hire a professional registered agent service.

Professional Services: Many business owners choose professional registered agent services for privacy, reliability, and convenience. These services typically cost $100-300 annually and provide additional benefits like document scanning and compliance reminders.

Common Mistakes to Avoid

  1. Missing the S Corp Election Deadline: File Form 2553 within 75 days of incorporation or wait until the following tax year. Late elections require special relief from the IRS.

  2. Inadequate Registered Agent Service: Using an unreliable registered agent can result in missed legal notices. Ensure your agent maintains consistent Ohio presence.

  3. Improper Shareholder Compensation: S Corp owner-employees must receive reasonable salary subject to payroll taxes. Paying only distributions without salary triggers IRS scrutiny.

  4. Exceeding S Corp Limitations: S Corps cannot have more than 100 shareholders, multiple classes of stock, or non-resident alien shareholders. Violations terminate S Corp status.

  5. Poor Corporate Record-Keeping: Maintain separate business bank accounts, document major decisions in meeting minutes, and keep corporate records organized to preserve limited liability protection.

  6. Ignoring CAT Tax Thresholds: Monitor gross receipts to determine CAT tax obligations once you exceed $150,000 annually in Ohio.

  7. Mixing Personal and Business Finances: Keep business and personal expenses separate to maintain corporate liability protection and simplify tax preparation.

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FAQ

How long does it take to form an S Corporation in Ohio?

Ohio processes Articles of Incorporation in 3-5 business days when filed online, according to data from April 2026. After incorporation, you have 75 days to file Form 2553 with the IRS for S Corp tax election. The entire process typically takes 2-3 weeks when handled promptly.

Can I be my own registered agent in Ohio?

Yes, you can serve as your own registered agent if you have a physical Ohio address and are available during business hours to receive legal documents. However, many business owners prefer professional registered agent services for privacy and reliability.

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

Both LLCs and S Corporations pay the same $99 formation fee in Ohio and face no annual report requirements. The main differences are tax treatment (LLCs have more flexibility) and ownership structure (S Corps have stock and formal corporate structure). Ohio Llc Vs S Corp Comparison

Do Ohio S Corporations pay state income tax?

No, Ohio does not impose state income tax on business income. Instead, businesses with gross receipts exceeding $150,000 annually may owe Commercial Activity Tax (CAT) at 0.26% on receipts above $1 million.

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

Ohio requires no annual report or annual fee for corporations, making ongoing costs minimal. You’ll need to maintain your registered agent (if using a service), file federal tax returns, and handle payroll taxes if you have employees.

Can non-residents form an S Corporation in Ohio?

Yes, non-residents can form an Ohio S Corporation, but you must maintain a registered agent with an Ohio address. However, S Corp shareholders cannot be non-resident aliens under federal tax rules.

What happens if I miss the S Corp election deadline?

If you miss the 75-day deadline to file Form 2553, your corporation will be taxed as a regular C Corporation until the next tax year. You can request late election relief from the IRS, but it’s better to file on time to avoid complications.

Do I need an attorney to form an S Corp in Ohio?

While not legally required, consulting an attorney is advisable for complex situations involving multiple shareholders, specific industry requirements, or significant assets. For straightforward formations, many entrepreneurs successfully handle the process themselves or use professional formation services.


This article provides general information for educational purposes only and should not be considered legal or tax advice. Consult with qualified attorneys and accountants for guidance specific to your situation. Data current as of April 10, 2026.