Why Struggle with Ohio Business Taxes When You Can eFile Accurately in Minutes?
X.TAX provides expert Business tax solutions for filing all your OH business tax forms, 100% accuracy, Audit Protect and Assist Filing.

Take a Glance at the Ohio Business Taxes
Know more about OH Biz Taxes
Ohio requires businesses to file various tax forms based on their structure and income. Failing to file on time can result in significant penalties. If a business files late, the penalty is the lesser of $250 or 2 percent of the tax due. Late payments incur a penalty of 2 percent of unpaid taxes if paid within 30 days, which increases to 10 percent if the payment is more than 30 days overdue. Interest is also charged on unpaid taxes, with rates set by the Ohio Department of Taxation.
Ohio Business Tax Forms
Know OH Business Tax Forms, which required for your business to stay compliant with Ohio regulations and avoid penalties.
Corporations
- IT 1120: Ohio Corporate Franchise Tax Return
- IT 1120S: Ohio S Corporation Income Tax Return
- CAT 12: Commercial Activity Tax Annual Return
Partnerships
- IT 1065: Ohio Partnership Return of Income
- CAT 12: Commercial Activity Tax Annual Return
Limited Liability Companies (LLCs)
- LLCs taxed as corporations file IT 1120 or IT 1120S, depending on their election status
Estates and Trusts
- IT 1041: Ohio Trust or Estate Income Tax Return
Additional New Jersey Forms
- RITA Form 10A: Ohio School District Income Tax Return
- Form IT 1040: Renaissance Zone Income Exemption and Tax Credits
- Form SD 100: Business Income Schedule
- Form SD 100ES: Estimated Tax Payments
- In Ohio, the first $250,000 of business income for pass-through entities such as LLCs, S-Corps, and partnerships is exempt from the state personal income tax. This is a valuable exemption for small businesses.
How to file OH Business Tax online with X.TAX
It’s Just 4 Easy Steps
Set Up Your Account
Secure and fast onboarding to get started quickly.
Upload Your Information
Enter income, expenses, and supporting documents.
Review Your Return
Use smart tools to check for errors and optimize exemptions.
Submit Your Filing
File directly with the Ohio Department of Taxation in just one click.
Ohio Business Tax Filing Deadlines
Tax Deadlines You Can’t Miss That’s Why X.TAX Alerts Keep You on Time
Business Type | Forms | Deadline |
---|---|---|
Corporations | IT 1120 and IT 1120S | April 15, 2025 |
CAT 12 Annual Return | May 11, 2025 | |
Partnerships | IT 1065 | April 15, 2025 |
Estates and Trusts | IT 1041 | April 15, 2025 |
Commercial Activity Tax (CAT) Quarterly Returns | Q1 | May 10, 2025 |
Q2 | August 10, 2025 | |
Q3 | November 10, 2025 | |
Q4 | February 10, 2026 |
Missing these deadlines can lead to penalties of up to 10 percent of unpaid taxes, plus accruing interest.
Ohio Business Tax Exemptions
With X.TAX Find Every Eligible Exemption for Your OH Business
Commercial Activity Tax Exemptions
- The first $250,000 of business income for pass-through entities is exempt.
Sales Tax Exemptions
- Equipment and machinery used in manufacturing processes are exempt.
- Packaging materials used after manufacturing may qualify for exemption.
- Purchases for resale are also exempt from sales tax.
Nonprofit Exemptions
- 501(c)(3) organizations are exempt from sales tax when purchasing goods for charitable purposes.
Property Tax Exemptions
- Properties owned by nonprofits or used for charitable purposes may qualify for property tax exemptions.
Filing errors can result in penalties and additional interest. Businesses in Ohio paid millions in penalties in 2023 due to late filings and mistakes. Filing accurately with X.TAX can save you significant costs.
Trusted by Ohio Businesses
Reliable, Accurate, and Built for You
Audit Protect
- Receive Data Signals to detect and resolve potential audit triggers.
- Get full support for managing IRS or state audits.
RiskScore
- Monitor your IRS account status in real time.
- Receive alerts about unresolved balances or missing filings before they become problems.
AItomatic Filings
- Certified CPAs or Enrolled Agents handle your filing for $250.
- Audit protection is included for the entire tax year.
QuickBooks Integration
- Import data directly from QuickBooks for faster, more reliable filing.
- Ensure your financial records are ready for tax season without extra work.
See What Business Owners in Ohio Say About X.TAX
Real Stories of Success with AItomatic Filing Tools.
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Got Questions About Tax Filing?
X.TAX Answers Your Business Needs
What is Ohio business e-filing?
Ohio business e-filing lets you file taxes electronically, making the process faster and more accurate.
What is the best e-filing software for Ohio businesses?
Look for tools that offer error-checking, form matching, and compliance with Ohio’s Department of Taxation standards.
How do I know which tax forms to file?
Forms vary by business type. Corporations use IT 1120, while partnerships file IT 1065.
What is the Commercial Activity Tax (CAT)?
CAT is a gross receipts tax. Businesses earning over $150,000 must file CAT 12 annually.
Are nonprofits required to file taxes in Ohio?
Nonprofits are generally exempt but must file for unrelated business income or other specific circumstances.
What happens if I file late?
Late filings can result in penalties up to $250 or 2% of the unpaid tax, increasing to 10% after 30 days.
How secure is Ohio e-filing?
E-filing systems use encryption to ensure data security.