Navigating Sales Tax in Wisconsin

This guide provides an overview of Sales Tax in Wisconsin, including applicable rates, registration requirements, compliance obligations, and filing deadlines. It is designed for businesses engaging in transactions within Wisconsin.

Last Updated: May 2025
Group 427320837 e1763784339445

68

counties have local option sales taxes that are administered centrally by the state.

Wisconsin at a glance.

State

Wisconsin

Tax Rate Range

6% - 7%

Economic Nexus Threshold

$100 000 in gross sales or 200 separate transactions

Filling Deadlines

20th of the month following the reporting period

Is SaaS Taxable?

Yes

Base Tax Rate:

6%

When should your
business collect Sales
Tax in Wisconsin?

A business must collect Wisconsin sales tax once it establishes physical or economic nexus. After registration, the business must begin collecting tax on all taxable sales using Wisconsin’s destination sourcing rules.

Wisconsin physical sales tax nexus.

A business has physical nexus in Wisconsin when it maintains any physical presence or in-state business activity.

Sales tax physical nexus checklist for Wisconsin

The following conditions might establish a physical nexus in Wisconsin:

Which services are taxable in Wisconsin?

Wisconsin taxes SaaS, streaming services, and nearly all services unless specifically exempt.

Wisconsin sales tax information:

Wisconsin uses destination sourcing, so sales tax is calculated using the state 6% rate plus any county local rate, based on the purchaser’s delivery location.

Wisconsin taxes tangible personal property, SaaS, streaming services, and almost all services unless exempt.

Register using the Application for Registration Certificate, or register as a remote seller using the simplified Remote Seller Registration on the MyTaxes portal; the fee is $30 once-off.

After registering, sellers must charge the correct destination-based rate, apply Wisconsin’s taxability rules for services and SaaS, include delivery charges when required, maintain exemption certificates, and file returns using the MyTaxes portal.

Sales Tax return due dates explained.

Wisconsin assigns filing frequency based on the seller’s sales volume and reviews the frequency annually. Returns are due on the 20th of the month following the reporting period. Some sellers may be required to file electronically if their prior-year payments exceeded $50,000. Combined state and local tax returns are filed together, and amended returns must be submitted through the MyTaxes portal using form CST-200CU.

FAQs

No, Wisconsin does not currently offer a sales tax holiday.

Yes. Registered marketplace facilitators must collect and remit tax on behalf of third-party sellers.

Yes. Wisconsin requires a return for every filing period assigned, even if you had no sales or no tax due.

Related content.

Navigating Sales Tax in Wisconsin

This guide provides an overview of Sales Tax in Wisconsin, including applicable rates, registration requirements, compliance obligations, and filing deadlines. It is designed for businesses engaging in transactions within Wisconsin.

Last Updated: May 2025
Group 427320837 e1763784339445

68

counties have local option sales taxes that are administered centrally by the state.

Wisconsin at a glance.

State

Wisconsin

Tax Rate Range

6% - 7%

Economic Nexus Threshold

$100 000 in gross sales or 200 separate transactions

Filling Deadlines

20th of the month following the reporting period

Is SaaS Taxable?

Yes

Base Tax Rate:

6%

When should your
business collect Sales
Tax in Wisconsin?

When should your
business collect Sales Tax in Wisconsin?

A business must collect Wisconsin sales tax once it establishes physical or economic nexus. After registration, the business must begin collecting tax on all taxable sales using Wisconsin’s destination sourcing rules.

Wisconsin physical sales tax nexus.

A business has physical nexus in Wisconsin when it maintains any physical presence or in-state business activity.

Sales tax physical nexus checklist for Wisconsin

The following conditions might establish a physical nexus in Wisconsin:

Which services are taxable in Wisconsin?

Wisconsin taxes SaaS, streaming services, and nearly all services unless specifically exempt.

Wisconsin sales tax information:

Wisconsin uses destination sourcing, so sales tax is calculated using the state 6% rate plus any county local rate, based on the purchaser’s delivery location.

Wisconsin taxes tangible personal property, SaaS, streaming services, and almost all services unless exempt.

Register using the Application for Registration Certificate, or register as a remote seller using the simplified Remote Seller Registration on the MyTaxes portal; the fee is $30 once-off.

After registering, sellers must charge the correct destination-based rate, apply Wisconsin’s taxability rules for services and SaaS, include delivery charges when required, maintain exemption certificates, and file returns using the MyTaxes portal.

Sales Tax return due dates explained.

Wisconsin assigns filing frequency based on the seller’s sales volume and reviews the frequency annually. Returns are due on the 20th of the month following the reporting period. Some sellers may be required to file electronically if their prior-year payments exceeded $50,000. Combined state and local tax returns are filed together, and amended returns must be submitted through the MyTaxes portal using form CST-200CU.

FAQs

No, Wisconsin does not currently offer a sales tax holiday.

Yes. Registered marketplace facilitators must collect and remit tax on behalf of third-party sellers.

Yes. Wisconsin requires a return for every filing period assigned, even if you had no sales or no tax due.

Related content.

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