Wisconsin Payroll Tax and Registration Guide
Employers in America’s Dairyland State: learn about Wisconsin payroll tax and registration here.
Account Number(s) Needed:
Companies who pay employees in Wisconsin must register with the WI Department of Revenue (DOR) for a Tax Account Number and the WI Department of Workforce Development (DWD) for an Unemployment Insurance Account Number.
Wisconsin Department of Revenue Tax Account Number Format: 036-9999999999-09 (036 + 10 digits + 09)
- Apply online at the DOR’s MyTaxAccount portal to receive the Tax Account ID within one business day of completing the application.
- Find an existing Tax Account ID:
- on Form WT-6, Withholding Coupon
- visit the the DOR contact page.
Wisconsin Department of Workforce Development Unemployment Insurance (UI) Account Number Format: 999999-999-9 (10 digits)
- Apply online at the DWD’s Employer Online Services to receive the UI Account Number immediately after finishing the application.
- Find an existing UI Account Number:
- on Form UCT-101, Employer’s Quarterly Wage Report
- visit the DWD contact page.
Required Payroll Documentation:
Third Party Access /POA Needed:
No
Local Income Taxes Imposed:
No
State Resources:
Visit state resources for specific tax rates and wage details:
Dept. of Revenue for withholding taxes
Dept. of Workforce Development for unemployment taxes
