Hiring Your First Employee in Michigan: The Payroll Taxes Nobody Warned You About

Hiring your first employee feels like a milestone, and it is. It also triggers one of the most complex compliance chains in small-business ownership. Before the first paycheck clears, you are simultaneously responsible to the IRS, the Michigan Department of Treasury, the Michigan Unemployment Insurance Agency, and possibly a city tax authority. Most first-time employers find this out the hard way.

This article covers every layer of that chain in plain English, with the specific rates, deadlines, and form numbers you actually need.

Before the First Paycheck: The Registrations That Cannot Wait

Before you can legally run payroll in Michigan, you need to set up accounts in the correct order. Getting this sequence wrong does not just cause paperwork headaches; it causes penalties.

First, confirm or obtain an Employer Identification Number (EIN) from the IRS. Think of the EIN as the Social Security number for your business. Every other registration in this list requires it. You can apply for one free at IRS.gov and receive it immediately online.

Second, enroll in the Electronic Federal Tax Payment System (EFTPS) at eftps.gov. This is the system through which you will send all federal payroll tax deposits. Enrollment is free, but the IRS mails your activation PIN by standard mail, and that takes 5 to 7 business days. You cannot make a deposit until you receive and activate that PIN. Start this process before you run your first payroll, not after.

Third, register with Michigan Treasury Online (MTO) at mto.treasury.michigan.gov to open a state income tax withholding account. Michigan requires this account to be active before wages are paid.

Fourth, register with the Michigan Unemployment Insurance Agency (UIA) at michigan.gov/uia within 30 days of paying wages for the first time. Missing that 30-day window can result in the agency assigning you the highest possible unemployment tax rate retroactively. That is an entirely avoidable cost.

One thing to check before any of this: make sure you actually need to go through this process. If the person you are paying could legitimately be classified as an independent contractor, these obligations may not apply. Read our article on whether your worker actually qualifies as a contractor before you start filling out forms.

What You Owe on Every Payroll: FICA, Federal Withholding, and the True Cost of a W-2 Employee

Once you have a W-2 employee, every payroll creates three distinct federal tax obligations.

The first is Federal Insurance Contributions Act (FICA) taxes, which cover Social Security and Medicare. Your employee pays half; you pay the other half, dollar for dollar, as a matching contribution. For 2025, the employer share is 6.2% for Social Security on wages up to $176,100, plus 1.45% for Medicare on all wages, for a combined employer FICA cost of 7.65% on top of every dollar of gross wages. The combined rate including both the employee and employer shares is 15.3%. You are responsible for remitting both halves to the IRS, whether or not you remembered to withhold the employee's share. If you forget to withhold from the employee's check, you still owe the full employee-side FICA amount yourself.

The second obligation is federal income tax withholding. This is a pass-through responsibility: you collect the employee's federal income tax from their wages and hold it in trust for the IRS. You do not owe this tax yourself, but you are responsible for depositing it on time. The amount depends on each employee's W-4 elections.

Adding 7.65% employer FICA to gross wages is the starting point for understanding true labor cost. When you factor in state unemployment tax, federal unemployment tax, and any benefits, the all-in cost of a W-2 employee typically runs 8 to 12 percent above gross wages before benefits are considered. Understanding how your business entity structure affects what you owe on payroll can meaningfully change that number for business owners who pay themselves through payroll.

Michigan-Specific Obligations: State Withholding, SUTA, and City Taxes

Federal obligations are only part of the picture. Michigan adds its own layer, and if you operate in certain cities, there is a third layer on top of that.

Michigan levies a flat state income tax on wages, and you are required to withhold it from each paycheck. The rate was 4.25% for 2024 and remains 4.25% for 2025, though it did drop temporarily to 4.05% for the 2023 tax year due to a state revenue trigger. Do not assume the rate is fixed; check the Michigan Income Tax Withholding Guide published by the Department of Treasury each year before you finalize your payroll setup.

Michigan State Unemployment Tax, called SUTA, is paid through the UIA. New employers are assigned a starting tax rate, and the taxable wage base is updated annually. The key rule: register within 30 days of paying wages or risk being assessed the maximum rate retroactively.

If any of your employees work in Detroit, you also owe Detroit city income tax. As of 2025, the rate is 2.4% for Detroit residents and 1.2% for non-residents who work within city limits. The obligation follows where the work is performed, not just where the employee lives. Grand Rapids and Lansing also levy city income taxes at their own rates and with their own filing requirements, so city-level obligations are not unique to Detroit.

Michigan remittance schedules for state withholding are tiered by volume. Low-volume withholders file and remit annually; mid-volume employers remit quarterly; higher-volume employers remit monthly. The Department of Treasury assigns your schedule based on the amount you withhold.

A mid-year review of your overall Michigan tax position is a practical way to catch withholding miscalculations before they compound across an entire calendar year.

The Deposit Schedule: When Your Payroll Taxes Are Actually Due

Filing a payroll tax return and actually depositing the taxes are two separate obligations on two separate schedules. Conflating them is one of the most common and costly mistakes new employers make.

The IRS uses a lookback period to determine how often you must deposit. For new employers with no payroll history, the default is the monthly deposit schedule: all federal payroll taxes (withheld income tax plus both halves of FICA) must be deposited by the 15th of the month following the month in which wages were paid. Pay employees in January, deposit by February 15.

There is one rule that overrides the monthly schedule without warning: if your total payroll tax liability reaches $100,000 or more on any single payroll, you must deposit by the next business day, regardless of what schedule you are otherwise on. Businesses that grow quickly or that pay large project crews can hit this threshold without planning for it.

Deposits are made through EFTPS. Filing Form 941, the Employer's Quarterly Federal Tax Return, is a separate obligation. Form 941 is due four times per year: April 30, July 31, October 31, and January 31. Filing Form 941 does not satisfy your deposit requirement. Depositing through EFTPS does not substitute for filing Form 941. Both must happen, on their own schedules.

Note that these payroll tax deposit deadlines are entirely separate from your own quarterly estimated tax payments as a business owner, which follow a different calendar and cover a different set of taxes.

FUTA: The Annual Federal Unemployment Tax Most Owners Forget to File

Federal Unemployment Tax, called FUTA, is paid entirely by the employer. Employees do not contribute. The gross FUTA rate is 6.0% on the first $7,000 of each employee's wages for the year. However, employers who pay their state unemployment taxes on time receive a credit of up to 5.4%, which reduces the effective FUTA rate to 0.6%. In practice, that works out to about $42 per employee per year, which is why FUTA rarely feels urgent until you miss the filing.

FUTA is reported on Form 940, which is due annually by January 31. Even though the annual tax is small, if your FUTA liability exceeds $500 in any quarter during the year, you are required to make a deposit for that quarter through EFTPS rather than waiting until January 31. The 5.4% SUTA credit is only available if your Michigan state unemployment taxes were paid on time. A late SUTA payment can eliminate that credit and turn a $42-per-employee obligation into a significantly larger one.

The Penalty That Pierces Your LLC: Understanding the Trust Fund Recovery Penalty

Most business owners assume that forming an LLC or S-Corp insulates them personally from business debts. That assumption is correct for most obligations, but it is entirely wrong for undeposited payroll taxes.

Under Internal Revenue Code Section 6672, the IRS can assess the Trust Fund Recovery Penalty (TFRP) against any person deemed a responsible party for the business's failure to deposit withheld federal income taxes and the employee share of FICA. The penalty is 100% of the unpaid amount. Not 10%. Not 25%. All of it.

The LLC or S-Corp structure provides zero protection from the TFRP. The IRS can, and does, assess this penalty against the business owner, a bookkeeper who controlled payments, officers, and anyone else who had authority over the funds and failed to deposit them. Multiple people can be assessed simultaneously for the same unpaid liability.

This penalty exists because withheld taxes belong to the government the moment they are deducted from an employee's paycheck. Using that money to cover a slow month in your cash flow is not a short-term loan; it is a federal tax violation with personal consequences.

If you have any reason to believe payroll tax deposits have been missed or are running behind, contact a CPA before responding to any IRS correspondence. The sequence matters, and acting before a formal assessment is different from responding after one has already been issued.

Common Mistakes, Specific Penalties, and What to Do If You Are Already Behind

The Failure to Deposit penalty for payroll taxes is tiered and it escalates quickly. A deposit that is 1 to 5 days late triggers a 2% penalty. Six to 15 days late costs 5%. More than 15 days late costs 10%. If the IRS issues a demand notice and the deposit is still not made within 10 days, the penalty rises to 15%. These percentages apply to the entire unpaid deposit, on every payroll cycle where the error occurs. The IRS assessed more than $12 billion in employment tax penalties in a recent fiscal year, with Failure to Deposit among the most common categories for small businesses.

Payroll software does not protect you from these penalties. Gusto, QuickBooks Payroll, and similar platforms automate calculations and can facilitate deposits, but the legal responsibility remains with the employer. Software does not verify that your lookback period was applied correctly, that your Michigan registration was completed before the first paycheck, or that city-level withholding is reaching the right agency. It processes what you set up.

If you are already behind, the worst thing you can do is ignore IRS notices. The second worst is to respond without understanding what the notice actually says. Read our guide on what to do when the IRS sends a notice about unpaid payroll taxes before you call the number on the letter.

The practical first steps if you are behind: gather your payroll records, calculate what was deposited versus what should have been deposited, and contact a CPA before responding to any IRS correspondence. The IRS does have programs for first-time penalty abatement and installment arrangements, but accessing them correctly requires knowing which ones apply to your situation.

One Thing to Do This Week

If you have not yet hired anyone but are getting close, pull up the EFTPS enrollment page today and start the process. That 5 to 7 business day PIN delay is the single most common reason new employers miss their first deposit deadline. Everything else in this article can be addressed in sequence once you have that account active.

If you are already running payroll and something in this article raised a question you cannot answer with confidence, that question is worth a conversation with a CPA before it becomes a notice. Birchwood Tax and Accounting is a small firm in Brighton, Michigan. We are happy to take a straightforward look at where things stand.