📢 Now Open: We are Accepting 2025 Business Tax Forms Now! E-File Now

File S Corporation Taxes Online with Smarter, Automated Accuracy

File your S corporation tax return online using intelligent automation built for accuracy, speed, and IRS compliance. X.TAX helps you eFile Form 1120-S with confidence,no manual stress, no missed deductions.

4.9/5  (2,341 User Reviews)

What’s Form 1120-S, and
Why Does It Matter? 

Form 1120-S is the required tax return for S corporations to report income, deductions, credits, and shareholder distributions to the IRS. Filing it correctly is critical to avoid penalties and ensure each shareholder’s Schedule K-1 is accurate.

Income and Expenses

Stay compliant and maximize deductions

Shareholder Distributions

Pass profits to shareholders without double taxation. 

Federal Compliance

Avoid IRS penalties that cost up to $210 per month, per shareholder. 

That’s why choosing the right S corporation tax software matters.

What Information Do You Need to File Form 1120-S?

Ready to File? Here’s Your Checklist. 

Information Required to File 1120-S

Gather these essentials before you begin

Keep these organized, and X TAX will do the heavy lifting with its tax software for S corporations

Why S-Corps Trust X TAX ?

Built specifically for S corporation tax filing online, X.TAX combines automation with expert oversight.

Save Hours, Not Minutes

Adapt the AI-tomatic way and cut filing time by more than half. 

Get Every Dollar You Deserve

No deduction or credit is overlooked.

Stay Stress-Free

Built-in compliance checks to keep you IRS-ready.

Expert Assistance

When things get tricky, our experts have your back.

AI-Assisted Features Built for S Corporations

Let us take care of your tax filings AI-tomatically so you can focus on your business 

Audit Protect

RiskScore

AI-tomatic Filings

QuickBooks Import

File Your 1120-S Forms in 4 Simple Steps

Tax filing doesn’t have to feel like rocket science

Create Your Account

Quick and easy setup

Input Financial Data

Use our guided platform to report income and expenses

Review Your Filing

Built-in checks catch errors before you submit.

Submit to the IRS

One click, and you’re done.

Why Thousands of Businesses Trust X TAX 

Here’s what our customers are saying

Have Some Questions? We’ve Got Answers. 

The best S corporation tax software automates Form 1120-S, validates entries, and supports IRS-compliant eFiling like X.TAX.
S corporation tax returns are typically due March 15. Late filing penalties can apply per shareholder or September 15 if you file for an extension.

X.TAX simplifies this process, ensuring each shareholder gets accurate K-1s.

Yes. X.TAX prepares accurate Schedule K-1s for each shareholder.