City of Ontario Income Tax Department

Dec 16, 2025

Access the City of Ontario Income Tax Department here.

The City of Ontario Income Tax Department is a state agency in Ohio responsible for overseeing and enforcing income tax regulations within the city limits of Ontario. This department ensures that residents and businesses comply with state tax laws and regulations to maintain financial transparency and accountability.

Agency Accounts

Ontario Withholding Tax Account

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

Ontario Withholding Account ID : Enter your EIN if you don't have an account number

Zero payroll penalties, zero distractions.

Coverage for 700+ state and local payroll tax accounts. Prevent penalties, resolve notices, and simplify tax account registration.

Schedule a free consultation

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.

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.

Telehealth Hiring Compliance for HR

Hiring telehealth providers across multiple states opens new markets, speeds patient access, and drives revenue growth. But every new state also adds a layer of legal risk. A single missed registration or delayed tax account can hold up onboarding for weeks. For telehealth companies, that doesn’t just mean administrative headaches—it means providers sitting idle, patients waiting longer for care, and revenue stuck in limbo. Getting this right doesn’t mean checking boxes after the fact. Compliance needs to be baked into your hiring strategy from the start.

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