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Wisconsin law

Business Laws in Wisconsin.

Wisconsin business entities are governed principally by Wis. Stat. ch. 180 (Wisconsin Business Corporation Law), Wis. Stat. ch. 183 (Wisconsin Uniform Limited Liability Company Law, substantially revised effective January 1, 2023), and Wis. Stat. ch. 181 (Wisconsin Nonstock Corporation Law). Wisconsin's Act 258 of 2022 adopted a fully revised LLC statute modeled on the Revised Uniform Limited Liability Company Act. Wisconsin is home to Fortune 500 headquarters including Northwestern Mutual, Kohl's, Harley-Davidson, and Rockwell Automation.

Last verified: 2026-04-20

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State law

Key Wisconsin Statutes

Wisconsin Business Corporation LawWis. Stat. ch. 180

Wisconsin's business-corporation statute — governing formation, shareholders, directors, mergers, and dissolution.

Wisconsin Uniform Limited Liability Company LawWis. Stat. ch. 183

Wisconsin's LLC statute. Substantially revised by 2021 Act 258, effective January 1, 2023, modeled on the Revised Uniform Limited Liability Company Act.

Wisconsin Consumer ActWis. Stat. chs. 421–429

Wisconsin's distinctive consumer-credit statute — applies broadly to most consumer-credit transactions and is central to Wisconsin business and debt-collection practice.

State law

Official Sources

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Wisconsin.

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