S-Corp vs C-Corp in Wisconsin

Side-by-side comparison of S Corporation and C Corporation for Wisconsin businesses. See costs, tax treatment, and which structure fits your situation.

At a Glance

Feature	S-Corp	C-Corp
Filing fee (Wisconsin)	$130	$100
Annual fee	$0/yr	$0/yr
Liability protection	Yes	Yes
Self-employment tax	Salary only	Salary only
Formation complexity	medium	high
Ongoing complexity	medium	high
Can raise funding	Limited	Yes

Pros & Cons

S-Corp

Pros

+Save thousands in self-employment tax
+Only pay payroll tax on salary, not distributions
+Liability protection
+Pass-through taxation — no double tax

Cons

-Must pay yourself a "reasonable salary"
-Payroll requirements ($1-2K/yr in CPA and payroll costs)
-More complex tax filing (Form 1120-S)
-Restrictions: max 100 shareholders, US residents only, one class of stock

C-Corp

Pros

+Can raise venture capital and issue stock options
+Multiple share classes for investors
+No ownership restrictions
+Potential QSBS exclusion (up to $10M capital gains tax-free)

Cons

-Double taxation: corporate tax + dividend tax
-Most complex and expensive to maintain
-Board of directors required
-Annual meetings, minutes, and corporate formalities

Who Should Choose What

Choose S-Corp if you...

→Businesses earning $80K+ net
→Solopreneurs with consistent income
→Service-based businesses
→Consultants and professionals

Choose C-Corp if you...

→Raising VC/angel funding
→Planning to go public
→Issuing stock options to employees
→High-growth startups

Not sure which is right?

Our free quiz calculates your actual tax burden under each entity type based on your income and Wisconsin tax rates.

Take the Quiz

Form Your Business in Wisconsin

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More Comparisons in Wisconsin

LLC vs S-Corp LLC vs C-Corp LLC vs Sole Prop

S-Corp vs C-Corp FAQ

What is the difference between S-Corp and C-Corp in Wisconsin?

S Corporation: An LLC or Corp with an S-Corp tax election. Splits income into salary + distributions to reduce self-employment tax. C Corporation: A separate legal entity with its own tax rate. The standard structure for VC-funded startups. In Wisconsin, S-Corp filing costs $130 and C-Corp costs $100.

Is S-Corp or C-Corp better for taxes in Wisconsin?

Both have similar tax treatment. The best choice depends on your specific income level and Wisconsin tax situation. Use our free quiz for exact numbers.

How much does it cost to file an S-Corp vs an C-Corp in Wisconsin?

S-Corp filing fee: $130, annual fee: $0/year. C-Corp filing fee: $100, annual fee: $0/year.

Disclaimer

This comparison is for educational purposes only and does not constitute tax, legal, or financial advice. Filing fees, tax rates, and regulations may have changed since this data was compiled. Verify all information with the Wisconsin Secretary of State and consult a qualified CPA or tax attorney before making entity selection or tax election decisions.

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