Hamilton, OH Payroll Tax Registration

Nov 13, 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.

Book a demo

Register for payroll taxes with the state of Ohio

Ohio Payroll Tax Registration

How to register your business in more Ohio cities

See all

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.

Doing Business in Florida as a Foreign Corporation

Suppose you’re a business leader, HR head, startup founder, or a key finance and people management player looking to expand across state lines. In that case, this is your essential guide to navigating the complexities of business as a foreign corporation in Florida. We’ll dive into everything you must know about becoming a foreign corporation, how to register, and what you can expect when expanding your business into the Sunshine State.

Employee Handbook Template and HR Guide

Modern HR’s Blueprint to Stronger Policy, Culture, and Compliance Note for HR pros: This is the most comprehensive employee handbook resource you’ll find, complete with templates, best practices, and insights from Mosey’s experts. We’ve covered nearly every possible angle, knowing what might seem like a minor best practice or insight today could very well be exactly what saves you tomorrow. Now, do we expect you to read this cover-to-cover in one sitting? Absolutely not. But we did structure this guide to build on itself, with each section connecting to the next to reveal how employment policies, compliance, and culture all work together.

Cell Phone & Internet Reimbursement Laws by State

Your team can’t do their jobs without internet—but who’s responsible for the bill when they’re working from home? In the office, it’s easy to tell which costs are yours and which belong to your employees. You’re not expected to buy your COO a new suit or cover someone’s lunch every day, but you’d never ask employees to pay for office electricity or bring their own desk.

Ready to get started?

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

Schedule a free consultation