Department of Revenue Portal
Department of Revenue Phone
414-227-4907
Name Reservation Required?
No
Taxpayer Portal
Comprehensive State Guide

General Business Information

Wisconsin Department of Revenue
2135 Rimrock Road
Madison, WI 53708
P  414-227-4907

Portal Link

Wisconsin Secretary of State
P.O. Box 7848
Madison, WI 53707-7848
P  608-266-8888

Website Link

Small Business Advocacy
Wisconsin District Office

310 West Wisconsin Ave. Suite 580W
Milwaukee, WI 53203
P  414-297-3941

Website Link

Business Filing Fees

LLC Filing Fee
$130.00
Incorporation Filing Fee
$100.00

Tax Information

Tax Type
Applicable
Rate / Fee
Due Date
Corporate Income Tax
Applicable:
Yes
Applicable:
7.90%
3/15
Sales Tax
Applicable:
Yes
Rate:
5.00%
Due Date:
Last day of the month following the reporting period
Property Tax
Applicable:
Yes
Rate:
1.76%
Due Date:
March 1
Unemployment Tax
Applicable:
Yes
Rate:
3.05 - 3.25%
Due Date:
The end of the month following the end of each calendar quarter
Annual Report Required?*
*(C-Corp & LLC only)
Applicable:
Yes
Rate:
Corporations - $25 online or $40 by mail. // LLC's - $25
Annually by the end of the registration anniversary quarter. So if you incorporated or foreign-qualified on February 15, then your annual report is due every year by the end of the first quarter on March 31. The due dates are March 31, June 30, September 30, and December 31.
File Report

Additional Information

New Hire Reporting Required?
Yes
E-Verify Required?
No
Comprehensive State Guide

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