How do I register for Wisconsin payroll taxes?

Registering for Wisconsin Payroll Tax Account Numbers

Wisconsin requires employers to register with the Department of Revenue and Division of Unemployment Insurance. You may be able to register for both using the Wisconsin One Stop Business Registration Portal.

Department of Revenue Employer Identification Number

• Register online
• Format: 15 digits (999999999999999, 999-9999999999-99)
• To find an existing account number, call: (608) 266-2776

Division of Unemployment Insurance Account Number

• Register online
• Format: 10 digits (999999-999-9)
• To find an existing account number, call: (608) 261-6700

Wisconsin Payroll Taxes

Payroll Tax Rates

The Division of Unemployment Insurance will assign your unemployment insurance tax rate. New employers generally have an initial rate of 3.05%.

Payroll Tax Deposit Schedules

All unemployment taxes are deposited quarterly.

The Department of Revenue will assign your withholding deposit schedule based only your average monthly withholding.