Turn Your C-Corp Biz Tax Filing into “Handled”
It’s time for a no-nonsense, AI-tomatic way of filing business taxes for LLCs and C corporations.

What's Form 1120?
Form 1120 is the U.S. corporate tax return for C corporations. It reports income, deductions, and tax liabilities to the IRS.
Report Business Income
Tell the IRS what your corporation earned.
Claim Deductions
Offset income with eligible expenses.
Calculate Tax Liability
Pay your share (or show why you don’t owe).
Who Needs It?
C corporations of all sizes, from global giants to local retailers, and LLCs taxed as corporations. If you’re operating under corporate tax rules, Form 1120 is your must-file.
Skipping it? Think again. The IRS penalty for not filing on time is 5% of unpaid taxes per month—a headache you really don’t need.

What You Need to File Form 1120
No surprises. Just AI-tomatically smooth preparation
What You’ll Need to Get It Done
Gather these essentials before you begin
- Your EIN : Think of it as your corporation’s social security number.
- Income Records: Gross receipts, investments, and rental income.
- Expenses: Salaries, office costs, utilities, and other deductible items.
- Schedule L: Details your assets and liabilities.
- Schedule M-1: Explains income differences between your books and tax filing.
- Tax Payments: Any estimated payments made this year.
Why X TAX Is for You?
Taxes are complex—but we make them AItomatically manageable.
Keep You Audit-Ready
Every tax filing is compliance focused.
Spot Issues Before They Happen
With RiskScore, we’ll flag potential IRS concerns early.
Maximize Deductions
Eligible expenses, from salaries to rent, won’t go unnoticed.
Support When You Need It
Whether you DIY or use Assisted Filing, expert help is always a click away.
Take Filing Further with These Features
Audit Protect
- Early Warning System: Leverage our Data Signals to stay ahead of potential IRS tax audits.
- We will take care of IRS and State Tax Audits in case of Audits.
RiskScore
- Real-Time IRS Monitoring: Stay informed about your account status.
- Proactive Alerts: Know about unresolved balances, missing filings, or potential red flags before the IRS contacts you.
AI-tomatic Filings
- Human Expertise: Let CPAs or EAs handle your filing for just $250.
- Built-In Security: Includes Audit Protect for the entire tax year.
X.TAX + QuickBooks = Easy Biz Tax Filing
- File seamlessly using QuickBooks import. It’s fast, AItomatic, and reliable.
- Seamless Integration for a Smarter Filing Experience
How to E-File Form 1120
It just takes 4 simple steps
Set Up Your Account
Quick, secure, and ready to go in minutes
Upload Your Info
Add income, expenses, and schedules.
Review Before You File
Catch errors and optimize deductions with our smart tools.
Submit Directly to the IRS
One click, and you’re done.
Our process prioritize accuracy, compliance, and speed – so you can focus on running your business.
Here’s What We’re Building Towards
Your feedback is our foundation.
Corporation Tax filing has never been this simple!
"X.TAX’s smart AI filing tool made importing data from QuickBooks effortless. I completed our Form 1120 in no time!A must-have for busy business professionals
As a partnership, filing Form 1065 used to take hours. X.TAX’s automated mapping saved us so much time. Highly recommend!Perfect for businesses of all sizes
Our S Corporation relies on X.TAX for filing Form 1120-S. The software’s precision and ease of use are unmatched.Smart, fast, and reliable
The AI-driven features ensure every detail is correct, and the process is seamless from start to finish. X.TAX has earned our trust.What You Need to Know About X TAX
What’s the deadline for Form 1120?
April 15, 2025, for calendar-year corporations. If you need more time, file for an extension by this date.
Can I use X.TAX for filing small business taxes?
Yes, X.TAX is being designed to handle all types of business tax filings, including LLCs taxed as corporations.
What will Audit Protect cover?
Everything. From monitoring your IRS account to full representation during audits, we’ll handle it all.
How will RiskScore work?
RiskScore will track your IRS account in real time, flagging potential issues like missing documents or unresolved balances before they escalate.