Hamilton, OH Payroll Tax Registration

Nov 20, 2025

If you are an employer in Hamilton, Ohio, it is important to be aware of the local payroll tax requirements for businesses operating in the city. These requirements may include registering your business with the city and withholding a certain percentage of your employees' wages for local taxes.

How to Register for Payroll Tax in Hamilton

Hamilton, Ohio Local Withholding Tax Setup for Corporation, LLC, LLP, Professional Corporation

Employers must register with the Ohio Regional Income Tax Agency (RITA) to withhold income tax from the qualifying wages of employees working within Hamilton, even if they are remote.

Complete Registration Online
Create a RITA MyAccount, if you haven't already done so, to register for Hamilton withholding tax. Select "Withholder" as the tax type.
Add Municipality to RITA MyAccount
Log in to your RITA MyAccount and click "Add Municipality" to add Hamilton withholding tax to your account.

Documents and Resources

Hamilton, OH Payroll Registration Agencies

Regional Income Tax Agency (RITA)

Use Mosey to register for payroll accounts in Hamilton.

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Register for payroll taxes with the state of Ohio

Ohio Payroll Tax Registration

How to register your business in more Ohio cities

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Agencies in Ohio

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