📢 Partnership & S-Corp Returns Due March 16, 2026. Don’t wait until the last minute !  E-File Today

Secure Business Tax Filing: Powered by AI, Human in the loop.

X.TAX automates business tax filing end-to-end, reducing manual processes, minimizing errors, and ensuring compliance. Connect your data, file accurately, and get expert support when needed.

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Simple, Honest, Affordable Pricing

Total Cost
$159 per filing
Add-ons (Optional)
Audit Protection $99/per filing
Tax Expert Review $59/per filing
State Annual/Franchise Tax Reporting $129/per filing
No hidden fees. Cancel anytime.
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4.9/5 (2,341 User Reviews)

Built for businesses that demand
taxes done right, the first time.

X.TAX combines automation with expert guidance to streamline business tax compliance from initiation through filing.

File Business Taxes Faster Without the Busywork

Automatically import income and expenses from accounting software, spreadsheets, or prior-year returns. X.TAX maps your data to the correct business tax forms so you can complete online business taxes without manual entry or rework.

Maximize Deductions Without Guesswork

AI reviews your financial data to identify eligible deductions and credits based on your business activity and entity type. Reduce overpayment while staying compliant with business tax filing rules.

Stay Compliant All Year

Built-in IRS monitoring and validation checks help flag missing information, filing gaps, and potential compliance issues before they turn into penalties. Your tax filing for business stays on track beyond filing day.

Expert Support and Audit Protection

Access CPAs and Enrolled Agents when you need guidance or choose assisted filing for professional review. With Audit Protection, your business is supported through IRS or state audits from start to finish.

How to File Business Taxes Online With X.TAX

X.TAX guides you through a clear, structured workflow designed to reduce errors and simplify tax filing for business owners.

Connect your data

Link your accounting software, upload last year’s return, or enter details manually.

Review AI-prepared forms

X.TAX automatically prepares and validates your business tax forms with built-in accuracy checks.

Get expert support if needed

Ask questions or opt for assisted filing with a CPA or EA.

E-file securely

Submit your return with confidence and track status in real time.

Pricing That Works for Every Business

Clear, upfront costs with no hidden fees

Partnerships

Form 1065

Easy guidance for businesses shared by multiple owners who file Form 1065.

  • Bundle & Save

$159 Federal

  • + $49 each State filing
Start for Free

S Corporations

Form 1120-S

Companies with shareholders can file Form 1120-S, and we’ll help save time with various reports.

  • Bundle & Save

$159 Federal

  • + $49 each State filing
Start for Free

C Corporations

Form 1120

For the most prevalent type of corporations, we’ll help maximize deductions & file your Form 1120

  • Bundle & Save

$159 Federal

  • + $49 each State filing
Start for Free

Tax Extension

E-File Tax Extension

If you are not ready with filing information, you can File tax extension & get more time to file.

  • File Now & Avoid penalties

$14.99

  • For each Extension Filing
File Extension Now

Why Businesses Choose X.TAX to File Business Taxes Online

X.TAX is modern tax software for business owners who want accurate, secure, and fully online business tax filing without the complexity of traditional tax services.

IRS-Authorized Business Tax Filing

X.TAX is an IRS-authorized eFile provider for business tax filing. File business taxes online with confidence knowing your returns are submitted through IRS-approved systems for federal and state compliance.

AI-Powered Business Tax Automation

Upload last year’s return, connect your accounting software, or enter income and expenses manually. X.TAX uses AI automation to prepare business tax forms accurately while giving you full control to review and edit before filing.

Integrated Accounting Data Import

Seamlessly import financial data from Excel or connect QuickBooks Online to reduce manual entry. X.TAX ensures your numbers flow correctly into the right business tax forms, saving time and minimizing errors.

File Business Taxes Anytime, Anywhere

No appointments. No paperwork. File your business taxes online from anywhere with a secure, cloud-based platform built for modern businesses and remote teams.

Accuracy-First Validation Checks

AI-driven validation scans your return for missing information, inconsistencies, and common filing mistakes before submission. This reduces rejections, notices, and costly corrections.

Real-Time IRS Account Monitoring

Stay informed beyond filing day. X.TAX monitors your IRS business tax account and alerts you to notices, audits, or discrepancies often before official mail arrives.

Enterprise-Grade Security for Business Data

Your financial data is protected with encryption, secure infrastructure, and strict privacy standards. X.TAX is built to safeguard sensitive business tax information at every step.

Save Time and Reduce Filing Costs

Automation replaces manual prep and expensive service-based workflows. X.TAX helps businesses file taxes faster while lowering overall tax filing costs without sacrificing accuracy or compliance.

Add-On's

Stay compliant with proactive alerts, audit protection, and real-time IRS monitoring. Leverage expert assistance for complex filings and full audit support. 

Let us handle taxes so you can focus on your business.

Audit Protection

$99/per filing

Tax Expert Review

$59/per filing

State Annual/Franchise Tax Reporting

$129/per filing

Security & Compliance

Your data is protected with enterprise-grade security and privacy standards. X.TAX follows strict compliance practices, uses secure encryption, and ensures sensitive financial information remains protected at every stage of the filing process.

Why Thousands of Businesses Trust X.TAX 

Here’s what our customers are saying
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!
Emily R.Tax Consultant
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!
John P.Managing Partner
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.
Mark T.Business Owner
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.
Sara K.Financial Analyst

Got Some Questions?

We’ve got answers
X.TAX is built for partnerships, S corporations, and C corporations that want to file business taxes online with accuracy and less manual effort. It works for both small businesses and growing companies.
X.TAX supports major business tax forms including Form 1065, Form 1120-S, Form 1120, and business tax extensions. Additional support is available through assisted filing when needed.
Yes. X.TAX allows you to file business taxes online using AI automation. If you need help, you can access CPA or EA support or choose assisted filing for professional review.
X.TAX uses AI-driven validation combined with expert-reviewed processes to reduce errors, flag missing information, and ensure compliance with business tax requirements.

Yes. X.TAX uses secure encryption and follows strict data protection practices to keep your financial information safe throughout the tax filing process.

Still Need Help? Contact Us Today