How to Do Payroll in Maine: A Step-by-Step Guide

Last reviewed: July 2026

Maine's minimum wage rises every January under a CPI-indexed formula, and its pay frequency rule is stricter than a simple "biweekly is fine" standard. Here's the order to handle registration and setup correctly.

Step 1: Get Your Federal EIN

Every Maine employer needs a federal Employer Identification Number before anything else. Apply free at IRS.gov and you'll have the number in about 15 minutes. You'll need it for every state registration that follows.

Step 2: Register with Maine State Agencies

New Maine employers need a withholding account with Maine Revenue Services and an unemployment insurance account with the Maine Department of Labor's Bureau of Unemployment Compensation. If you're forming a corporation or LLC, register the entity with the Bureau of Corporations, Elections and Commissions first — sole proprietors and general partnerships can skip that step.

From the Payroll Desk

Register before your first payroll, not after. Give the state agencies a few business days to process, since your account numbers need to exist before you deposit any withheld tax.

Step 3: Set Up State Withholding

Maine has its own withholding certificate, separate from the federal W-4: Form W-4ME, the Employee's Maine Withholding Allowance Certificate. Employees should submit it at the same time as their federal W-4. If someone doesn't turn one in, withhold as if they claimed single status with no allowances.

Register your withholding account through Maine Revenue Services. Deposit frequency is semiweekly if your 12-month lookback withholding was $18,000 or more, otherwise quarterly, and once you're required to file semiweekly you stay on that schedule going forward.

Step 4: Register for Maine SUI

State Unemployment Insurance is administered by the Maine Department of Labor. New employers pay a combined rate of 2.54% for 2026 (a 2.23% base rate plus small CSSF and UPAF assessments) on the first $12,000 of each employee's wages, since Maine remains on its lowest available rate schedule this year.

Maine also requires workers' compensation coverage for essentially any employer with one or more employees, with narrow exceptions for sole proprietors and small agricultural operations — confirm your situation with the Maine Workers' Compensation Board before your first hire starts.

Step 5: Pick a Pay Frequency and Handle Final Pay

Maine law is specific here: wages must be paid at regular intervals not exceeding 16 days, and each payment has to cover wages earned to within 8 days of the payment date. That effectively rules out true monthly payroll and pushes most employers toward weekly or biweekly schedules. Lengthening your pay interval requires 30 days' advance notice to employees.

When someone leaves, final wages are due no later than the next established payday, whether the separation was voluntary or not.

New hires need to be reported within 7 days of their start date — notably faster than the 20-day standard used in most states. See our New Hire Reporting guide for the required fields.

Step 6: Deposit and Filing Calendar

Once payroll is live, three calendars run at the same time:

• Federal: Deposit withheld income tax and FICA on the IRS semi-weekly or monthly schedule, then file Form 941 quarterly.
• Maine withholding: Deposit semiweekly or quarterly based on your prior lookback amount, with Form 941ME due at quarter-end for quarterly filers.
• Maine SUI: File quarterly wage reports and pay unemployment tax to the Bureau of Unemployment Compensation.

Our paycheck calculator is a quick way to sanity-check withholding amounts before you deposit, especially given Maine's tighter pay interval rule.

Step 7: Year-End W-2s

By January 31, issue Form W-2 to every employee and file copies with the Social Security Administration, along with your final Form 941 and Form 940 for the year. Reconcile the Maine withholding shown on your W-2s against what you actually deposited to Maine Revenue Services across the year before you file.

Send new employees to our W-4 Helper for a guided walkthrough of the current federal withholding form.

Frequently Asked Questions

What are the basic steps to run payroll in Maine?

Get a federal EIN from the IRS, register with Maine Revenue Services for state withholding, register with the Maine Department of Labor for unemployment tax, collect W-4 and W-4ME forms from each employee, set a compliant pay schedule, then run payroll, deposit taxes on schedule, and file quarterly and year-end returns.

Does Maine have its own state withholding form?

Yes. Maine employees complete Form W-4ME, the Employee's Maine Withholding Allowance Certificate, in addition to the federal W-4. If an employee doesn't return a W-4ME, you withhold as if they claimed single filing status with no allowances.

How often do Maine employers need to pay employees?

Maine law requires wages to be paid at regular intervals not exceeding 16 days, with each payment covering wages earned to within 8 days of the payment date. On separation, wages are due no later than the employee's next established payday.

What is the Maine SUI rate for new employers?

New Maine employers pay a combined unemployment insurance rate of 2.54% for 2026 (2.23% base plus small CSSF and UPAF assessments) on the first $12,000 of each employee's wages, under the Maine Department of Labor's Schedule A rates.