Ohio Department of Taxation

Aug 25, 2026

Access the Ohio Department of Taxation here.

The Ohio Department of Taxation is the state agency responsible for overseeing tax compliance and revenue collection in the state of Ohio. They work to ensure that individuals and businesses are meeting their tax obligations in accordance with state laws and regulations.

Agency Accounts

Ohio Withholding Account

Access your online account via OH ID.

The Ohio Withholding Account allows you to set up and manage the following information:

  • Withholding Account Number
  • Initial Withholding Tax Filing Frequency

Bureau of Workers' Compensation Policy Account

The Bureau of Workers' Compensation Policy Account allows you to set up and manage the following information:

  • BWC Policy Number

Ohio Commercial Activity Tax (CAT) Account

Access your online account via OH ID.

The Ohio Commercial Activity Tax (CAT) Account allows you to set up and manage the following information:

  • Commercial Activity Tax (CAT) Account Number

Ohio Sales Tax Account

Access your online account via OH ID.

The Ohio Sales Tax Account allows you to set up and manage the following information:

  • Sales Tax Account Number

Find out more on how to stay compliant with the Ohio Department of Taxation:

Zero payroll penalties, zero distractions.

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.

Michigan Right To Work Law Repealed: 5 Things To Know

In a significant change for the labor scene of the state, the right-to-work law in Michigan is obsolete. Effective as of March 24, 2023, this move has made waves for companies throughout the state and affects workers just as much as their employers. Still, employers especially need to know the subtleties of this repeal and how it will affect their payroll compliance.

Gabrielle Sinacola | Sep 27, 2024

Case Study: MediaRadar

How MediaRadar Navigated a Multi-State PEO Transition and Centralized Compliance with Mosey MediaRadar transitioned off a PEO and onboarded 350 employees across 40 states—saving over 80 hours and thousands in labor costs while streamlining compliance with Mosey. “If you’re moving off a PEO, Mosey is the system you wish you had from day one. It saves time, reduces stress, and gives your team the confidence that you’re not missing anything.”

Paul Boynton | May 14, 2025

What Is a COLA: Cost of Living Adjustment Guide for Employers

You’ve probably heard a lot about inflation lately. With rising prices for everything from groceries to gas, your employees are feeling its effects. That’s where a cost of living adjustment (COLA) comes into play. Think of a COLA as a way for businesses to help their employees maintain their purchasing power when everyday expenses start to climb. So, how exactly does it work, and why should employers pay attention?

Alex Kehayias | Nov 14, 2024

Ready to get started?

Mosey has everything you need to get compliant in all 50 states in one, easy to use, platform.