Wisconsin Payroll Tax and Registration Guide

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:
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:

Required Payroll Documentation:

Withholding 

  • WT7 (Annual Reconciliation) & WT6 (Withholding Tax Deposit Report): The WI Tax Deposit Report can be a good source of information to use to balance withholding taxes made in prior quarters. You can also use a payroll report that contains employee wages and withheld amounts to help balance prior quarters.

Unemployment

  • UC7823-E (Quarterly Wage Report): This is a good report is a good source of information to use to balance WI employee quarterly wages from prior quarters.

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

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