CNBC 2025 · #21 of 50
Wisconsin
ModerateRank: #21 of 50
Year-over-year movement
Category breakdown
All 10 CNBC categories — score out of category max, rank among 50 states.
CNBC methodology — 10 categories, 2,500 points max
Founder Snapshot
Lite operational context for Wisconsin — what to know before operating here. Sourced public facts, separate from CNBC scores.
Tax posture
Wisconsin corporate income tax is 7.9%. Personal income tax is progressive up to 7.65%. Economic development surcharge may apply to large corporations.
Source: Wisconsin Department of Revenue
Business registration
Register entities through the Wisconsin Department of Financial Institutions.
Source: Wisconsin DFI — Corporations
Compliance calendar
Annual reports are due by the end of the quarter following the anniversary of formation; corporate returns follow DOR deadlines.
Source: Wisconsin DFI — Annual Report
Multi-state heads-up
If you operate outside Wisconsin or hire remotely — informational, not legal advice.
Remote sales & economic nexus
Remote sellers must collect Wisconsin sales tax once economic nexus thresholds are exceeded.
Source: Wisconsin DOR — Sales & Use Tax
Remote employees & payroll
Wisconsin employers register for withholding and unemployment insurance.
Source: Wisconsin DOR — Withholding
Also applies across state lines
-
If you are incorporated elsewhere but transact business here, you may need to foreign-qualify with the Secretary of State.
-
Multi-state operations often trigger registration, withholding, or nexus rules — confirm with official state agencies.
Source: IRS — State government websites
Regulatory Pulse
Recent regulatory changes in Wisconsin — sourced public updates for founders operating here.
Wisconsin data breach notification
Businesses must notify Wisconsin residents of unauthorized acquisition of personal information.