Wisconsin research credit

Tax credit

Official program guidance

Agency: Wisconsin Department of Revenue. Agency source

This directory is not tax advice. Confirm eligibility, tax-year rules, deadlines and filing requirements with a tax professional.

Check program requirements [Wisconsin 2025 Schedule R][Wisconsin 2025 Schedule R instructions]

Who qualifies
Taxpayers incurring qualifying Wisconsin research expenses. Different rates apply to certain engine and energy-product research. [Wisconsin 2025 Schedule R][Wisconsin 2025 Schedule R instructions]
What it’s worth
General rate: 5.75% of qualifying expenses above half the prior-three-year average, or 2.875% of current expenses if a prior year had none. [Wisconsin 2025 Schedule R][Wisconsin 2025 Schedule R instructions]
How to claim
File Schedule R with the applicable Wisconsin income or franchise-tax return. [Wisconsin 2025 Schedule R][Wisconsin 2025 Schedule R instructions]
Deadlines and application windows
Annual return claim. Up to 25% of the research credit is refundable; unused nonrefundable credit may carry forward 15 years. [Wisconsin 2025 Schedule R instructions]

Amounts are subject to the conditions in each listing. A source review does not mean applications are open or that a business qualifies.

Official sources

Listing reviewed