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Taxes WI

WI Corporate Income and Franchise Tax

Source: WI Department of Revenue Verified: March 1, 2026

Wisconsin imposes a 7.9% corporate income and franchise tax on net income attributable to Wisconsin. C corporations file Form 4 with the Department of Revenue. Multi-state corporations apportion income using a single sales factor. The minimum tax is $25.

Official Source:
WI Department of Revenue
Always verify current information directly with this agency.

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