Hamilton, OH Payroll Tax Registration

Nov 6, 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.

  1. 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.

  2. 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

Use Mosey to register for payroll accounts in Hamilton.

Register for payroll taxes with the state of Ohio

Agencies in Ohio

See all

More from the blog

Learn how to keep your business compliant in all 50 states across payroll, HR, Secretary of State, and tax.

How to Create a Competency Model: A Guide for HR

Talented and effective HR professionals are the secret ingredient to organizational success. HR professionals can utilize tools like competency models to maximize success and efficiency. A competency model serves as a blueprint for identifying, developing, and assessing the skills and behaviors necessary for individuals to excel in their roles within an organization. A little bit of work on a competency model can boast a huge payoff in productivity and human resource planning.

Paul Boynton | Oct 17, 2025

What Is SUI? State Unemployment Insurance FAQs

If you’re a stakeholder in HR, finance, or even the founder of a small to mid-sized company, you already know state compliance can get tricky, especially when it comes to fluctuating tax rates. With that in mind, let’s discuss state unemployment insurance, commonly abbreviated SUI. What Is SUI? State unemployment insurance, or SUI, is an employer-funded tax designed to provide short-term financial support to employees who have been laid off or terminated without misconduct. If you’re operating a U.S.-based business — especially one that spans multiple states — you’ll find that SUI tax rates are diverse.

Kaitlin Edwards | Nov 5, 2023

Mosey Partners with Pilot, Providing Tax Preparation and Filing

We’re thrilled to announce an exciting new partnership between Mosey, the leading state compliance solution, and Pilot, the premier accounting and tax firm for startups. Together, we’re helping startups navigate the complexities of compliance and financial management with confidence and ease. One of the most frequent requests from our customers is for corporate tax return preparation and filing. Pilot’s expertise in bookkeeping, tax preparation, and corporate accounting complements Mosey’s compliance solutions, creating a streamlined experience for customers.

Gabrielle Sinacola | Jan 15, 2025

Ready to get started?

Schedule a free consultation to see how Mosey transforms business compliance.