Ohio Annual Report

Oct 9, 2025

Annual reports filed with the Secretary of State in Ohio are official documents that provide a comprehensive overview of a business's financial performance, operations, and activities throughout the previous year. These reports are required by law and serve as a means for businesses to maintain transparency and compliance with state regulations.

There are 2 different ways to file an annual report in Ohio depending on your legal entity type and tax classification. Follow the guide below to help you file your annual report with the Secretary of State in Ohio or use Mosey to do it.

Use Mosey to automate annual reports in Ohio.

Ohio Biennial Report for Professional Corporation

Professional associations must file a Biennial Report (Form 520) with the Ohio Secretary of State to maintain good standing. You must file your first biennial report between June 30 and July 1 of the first even-numbered year following the calendar year in which your business was registered with the Secretary of State. Subsequent biennial reports must be filed between June 30 and July 1 of each following even-numbered year.

  1. Create Ohio Business Central Account

    Create an Ohio Business Central account with the Secretary of State if you have not done so already.

  2. File Biennial Report Online

    Log in to your Ohio Business Central account to file the Biennial Report and pay the filing fees with the Secretary of State online.

Ohio Biennial Report for LLP

Limited liability partnerships must file a Biennial Report (Form 520) with the Ohio Secretary of State to maintain good standing. You must file your first biennial report between April 1 and July 1 of the first odd-numbered year following the calendar year in which your business was registered with the Secretary of State. Subsequent biennial reports must be filed between April 1 and July 1 of each following odd-numbered year.

  1. Create Ohio Business Central Account

    Create an Ohio Business Central account with the Secretary of State if you have not done so already.

  2. File Biennial Report Online

    Log in to your Ohio Business Central account to file the Biennial Report and pay the filing fees with the Secretary of State online.

What else do I need to know?

There may be additional things you will need to do to maintain your "good standing" in the state including having a registered agent and other kinds of taxes.

Maintaining a Registered Agent

Most states require that you have a registered agent that can receive important mail from the Secretary of State should they need to contact you. There are many commercial options available or you can use Mosey to be your registered agent and keep your information private in Ohio.

Other Taxes

In addition to maintaining a registered agent, maintaining your good standing can include additional taxes. This can include franchise tax, sales tax, or other state taxes. You can use Mosey to identify these additional requirements to maintain good standing in Ohio.

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