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LocalBizSetup.
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Start a Business in
St. Croix, Wisconsin

The complete 2026 local regulatory and municipal compliance guide for St. Croix. Step-by-step instructions for entity formation and permit acquisition.

Affordable LLC Registration Notice

Wisconsin requires a base filing fee of $100 USD. Protecting your home address from public records using a secure corporate shield is highly recommended by legal professionals.

✓ Checklist: How to Launch Legally

Step 1: Name Availability Search

Search the St. Croix Clerk database to ensure your desired assumed business name (DBA) is unique and available for registration.

Step 2: File Assumed Name Certificate

Complete and submit the Assumed Name Certificate form with the St. Croix Clerk office, paying the required filing fee.

Step 3: Obtain Local Permits

Check with your local municipality within St. Croix for specific zoning, building, or health permits required for your industry.

Local Cost Calculator

Estimated Initial Cost $225 Includes $100 Wisconsin state fee