What SUI rate does a new employer pay in Wisconsin, and on how much of each worker's wages?

New employers pay a 3.25% state unemployment insurance rate on the first $14,000 of each employee's wages per year, producing a maximum SUI liability of $455 per worker annually until an experience rate is assigned.

Does Wisconsin impose a state income tax on employee wages?

Yes. Wisconsin levies a graduated state income tax on wages, so employers must withhold and remit state income tax in addition to FICA and federal income tax from the first paycheck.

What happens if Wisconsin finds that a contractor should have been classified as a W-2 employee?

Under Wisconsin's common-law test, a misclassification determination results in the employer owing all back unemployment insurance taxes that should have been paid, plus a 50% penalty on the underpaid contributions — a penalty structure that can dwarf the original savings from using contractor arrangements.

WI · Payroll tax 2026

The true cost of hiring in Wisconsin

What a W-2 employee actually costs an employer in Wisconsin— and how that compares to a 1099 contractor — with the state's real 2026 unemployment-insurance rates built in.

Wisconsin's employer-side payroll costs sit above the national median in one key area: the new-employer SUI rate opens at 3.25% on the first $14,000 of each employee's wages, adding up to $455 per worker per year in unemployment-insurance liability before experience rating kicks in. That figure lands on top of the federal FUTA obligation and FICA, meaning a $60,000 salary in Milwaukee or Madison carries an all-in employer cost closer to $70,000 once mandatory taxes, workers' comp, and statutory benefits are modeled. Manufacturing is Wisconsin's backbone — precision components, paper, food processing — and labor-intensive shops in Green Bay or Oshkosh feel SUI exposure more acutely than service-sector firms because headcount turns over faster. The state does levy a personal income tax on wages, so payroll withholding compliance is required from day one. Employers relying on independent contractors to sidestep these obligations face real exposure: Wisconsin uses the common-law test, and a misclassification finding triggers back UI taxes plus a 50% penalty on underpaid contributions. Run the numbers before the offer letter.

Estimate a Wisconsin hire

Pre-filled with Wisconsin's 3.25% new-employer SUI rate. Adjust salary, benefits, and the 1099 rate to fit your hire.

Fully-loaded W-2 costWisconsin

$99,535/yr

1.33× base salary$47.85/hr$24,535 over base

W-2 employee

$99,535

1099 contractor

$75,000

W-2 costs $24,535 more (32.7%) than this contract. Breakeven rate: $99,535.

Annual salary

State

Health insurance/mo

401(k) match

Overhead

1099 contract/yr

New-employer rates · IRS Pub 15WI details

Wisconsin employer tax facts

Wisconsin employer payroll-tax rates for 2026
Item	WI	Context
New-employer SUI rate	3.25%	+1.18% vs national avg 2.07%
SUI taxable wage base	$14,000	national avg $22,573
Federal FICA (employer)	7.65%	6.2% SS + 1.45% Medicare
FUTA	0.6%	max $42 per employee/yr
State income tax on wages	Yes
Worker classification test	Common-law control test

Source: IRS Pub 15 · Wisconsin unemployment agency · Updated 2026-06-01

Example: a $75,000 hire in Wisconsin

At a $75,000 base salary with typical benefits, a W-2 employee in Wisconsin costs an employer $99,535 per year — $24,535 above base pay. An equivalent 1099 contract at $75,000 would cost $24,535 less; the breakeven contract rate is $99,535.

Misclassification risk in Wisconsin

Test: Common-law control test

Common-law test; back UI taxes + 50% penalty on underpaid contributions.

Penalties by state

Compare nearby rates

Wisconsin's 3.25% new-employer SUI rate sits near California (3.4%), Nevada (3%), Illinois (3.65%), New Jersey (2.8%). See the full 51-state comparison or the 2026 employer payroll tax reference.

Wisconsin hiring-cost FAQ

What SUI rate does a new employer pay in Wisconsin, and on how much of each worker's wages?: New employers pay a 3.25% state unemployment insurance rate on the first $14,000 of each employee's wages per year, producing a maximum SUI liability of $455 per worker annually until an experience rate is assigned.
Does Wisconsin impose a state income tax on employee wages?: Yes. Wisconsin levies a graduated state income tax on wages, so employers must withhold and remit state income tax in addition to FICA and federal income tax from the first paycheck.
What happens if Wisconsin finds that a contractor should have been classified as a W-2 employee?: Under Wisconsin's common-law test, a misclassification determination results in the employer owing all back unemployment insurance taxes that should have been paid, plus a 50% penalty on the underpaid contributions — a penalty structure that can dwarf the original savings from using contractor arrangements.