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Licensing WI

WI Business Registration

Source: WI Department of Financial Institutions Verified: March 1, 2026

Wisconsin businesses must register with the Department of Financial Institutions before conducting business. Sole proprietors using a trade name must file a DBA with the county register of deeds. Businesses with employees or taxable sales must register with the Department of Revenue for withholding and sales tax permits.

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

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