Why Stress Over Wisconsin? eFile Wisconsin Business Returns Quickly
X.TAX ensures accurate filing for all WI business forms while helping you save more.

File WI Business Tax Forms Without the Hassle
Get clarity on Wisconsin business taxes.
Wisconsin offers a competitive 7.9% corporate income tax rate. The state provides various tax credits and incentives, such as the Manufacturing and Agriculture Credit and the Research Expense Credit. This supportive landscape fosters economic growth and innovation, making Wisconsin an attractive hub for diverse businesses.
All WI Business Tax Forms in One Place
Corporations, partnerships, LLCs, estates, and trusts—X.TAX has it all.
Corporations
- Form 1120, Form 1120S, and Form 5
Partnerships
- Form 1065, Form 3, and Form 1CNP
For LLCs and Sole Proprietors
- Form 1, Form Corp-ES, and Form PW-1
For Estates and Trusts
- We provide all necessary forms for Wisconsin estate and trust filings.
File Wisconsin Business Taxes in Just 4 Steps
Accurate, efficient, and stress-free WI Biz filing with X.TAX.
Create an Account
Set up your profile securely.
Upload Your Information
Enter your income, expenses, and tax forms.
Review for Errors
Use smart tools to verify accuracy.
Submit to the State
File with one click and track your submission.
Key WI Business Tax Deadlines
Never miss your WI Biz Tax filing date with X.TAX reminders
Business Type | Forms | Due Date |
---|---|---|
Corporations | Form 1120 | April 15, 2025 |
Form 1120S | March 15, 2025 | |
Form 5 | April 15, 2025 | |
Partnerships | Form 1065 | March 15, 2025 |
Form 3 | March 15, 2025 | |
Form 1CNP | April 15, 2025 | |
LLCs and Sole Proprietors | Form 1 | April 15, 2025 |
Form Corp-ES | Quarterly payments due on April 15, June 15, September 15, and January 15 | |
Form PW-1 | April 15, 2025 | |
Estates and Trusts | All necessary forms for Wisconsin estate and trust filings are typically | April 15, 2025 |
Take Advantage of WI Tax Exemptions
Claim every Wisconsin tax benefit with X.TAX.
Eligible California businesses can benefit from these exemptions:
Sales and Use Tax Exemptions
Corporate Income Tax Exemptions
Property Tax Exemptions
Economic Development Incentives
Research and Development Tax Credits
X.TAX- Your Wisconsin Tax Filing Solution
Filing your WI business taxes has never been easier.
Audit Protect
- Detect and address audit triggers early using Data Signals.
- Manage audits efficiently with full support from X.TAX.
RiskScore
- Track your IRS account status in real time.
- Receive alerts about potential filing issues or unresolved balances.
AItomatic Filings
- Let CPAs handle your filings for $250.
- Includes audit protection for a full year.
QuickBooks Integration
- Import financial data directly for faster, error-free filings.
Why WI Businesses Rely on X.TAX
Trusted by companies across Wisconsin for efficient tax filing.
Filing our corporate taxes was stress-free with X.TAX. Their platform is reliable and accurate.
John R
We saved thousands by claiming manufacturing exemptions. X.TAX made the process effortless.
Laura T.
Estate tax filings were so much easier with X.TAX. Their tools are a lifesaver!
Emma P.
The reminders and filing accuracy tools helped us meet every Wisconsin deadline without worry.
David K.
X.TAX is our go-to platform for filing taxes in WI. Great support and incredible savings!
Sarah W.
Wisconsin Business Tax FAQs
Get clear answers to your WI tax questions.
What is the best e-filing software for Wisconsin business taxes?
X.TAX is tailored for Wisconsin businesses, offering reliable, secure, and accurate filing tools.
What forms do I need to file Wisconsin business taxes?
We provide all essential forms for corporations, partnerships, LLCs, and estates. Check the full list above or visit our website.
What are the key deadlines for Wisconsin business taxes?
Corporate filings are due April 15, and partnership filings are due March 15. Quarterly forms have specific deadlines listed above.
What tax exemptions can Wisconsin businesses claim?
Wisconsin businesses benefit from sales tax exemptions, property tax relief, and incentives for job creation and R&D activities.
Why should I choose X.TAX for my California business e-filing?
X.TAX is the best e-filing software for California businesses because it offers accurate filing, tax-saving tools, QuickBooks integration, and expert CPA assistance.
How does X.TAX ensure filing accuracy?
Our platform uses advanced tools to review filings and ensure they meet Wisconsin tax laws.
Is X.TAX secure for Wisconsin business tax filings?
Yes, X.TAX prioritizes your data security with robust encryption for all submissions.