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X.TAX Business Tax

APIyesFREEnoDOCS4/5
XT6.7#2of 29
outWeb

Ranked in Small Business Tax Software·Free trial

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About

X.TAX Business Tax provides online federal and state business tax e-filing for LLCs, partnerships, S corporations, and C corporations. It supports Forms 1065, 1120-S, 1120, and 1041, with automated workflows for calculations, form mapping, and validation. AI-driven checks flag missing or inconsistent information before filing. QuickBooks and Xero integrations import income, expenses, and balance-sheet information. Users can access CPAs and Enrolled Agents for questions, reviews, or assisted filing; RiskScore highlights potential IRS issues, and Audit Protection covers IRS and state audits throughout the tax year. X.TAX says users can start for free and pay when ready to file, though it has no free plan. Business Tax Filing costs 159.00 USD per once, and State Business Tax Filing costs 49.00 USD per once. The web and API platform is headquartered in Austin, Texas. Its developer API supports embedding filing for Forms 1065, 1120, 1120-S, 7004, and 4868. The company describes itself as IRS-authorized.

Who it is for

It suits businesses that need online federal and state filing for supported entity types, as well as products embedding tax filing through an API. Accounting-data imports and access to tax professionals may suit teams seeking filing assistance.

What is good

  • Supports four business entity types
  • QuickBooks and Xero financial data imports
  • AI checks flag missing or inconsistent information
  • CPAs and Enrolled Agents are available
  • API supports embedded filing

What to know first

  • No free plan
  • Zero state returns included
  • Business Tax Filing costs 159.00 USD per once

Verdict

X.TAX combines business e-filing, accounting imports, validation, and access to tax professionals. Teams integrating filings can use its API, while businesses should account for per-filing charges and the zero included state returns.

Compared on small business tax software

Business entity support
Partnerships and multi-member LLCs (Form 1065); S corporations (Form 1120-S); C corporations (Form 1120)x.tax
Federal e-file
Yesx.tax
State e-file
Yesx.tax
Included state returns
0 returnsx.tax
Bookkeeping imports
Yesx.tax
Prior-year import
Yesx.tax

Facts

What it does
X.TAX provides online federal and state business tax e-filing services.x.tax · 1 Oct 2026
Supported entities
The platform supports LLCs, partnerships, S corporations, and C corporations.x.tax · 1 Oct 2026
Supported forms
X.TAX supports Forms 1065, 1120-S, 1120, and 1041.x.tax · 1 Oct 2026
Automation
Automated workflows manage calculations, form mapping, and validation.x.tax · 1 Oct 2026
AI validation
AI-driven validation checks reduce errors and flag missing or inconsistent information before filing.x.tax · 1 Oct 2026
Accounting integrations
X.TAX integrates with QuickBooks and Xero to import financial data such as income, expenses, and balance-sheet information.x.tax · 1 Oct 2026
Expert help
Users can access CPAs and Enrolled Agents for questions, reviews, or assisted filing.x.tax · 1 Oct 2026
Risk monitoring
RiskScore highlights potential IRS issues before they result in penalties.x.tax · 1 Oct 2026
Audit protection
Audit Protection covers IRS and state audits throughout the tax year.x.tax · 1 Oct 2026
Security
The privacy policy says data is stored in the United States with encryption, access controls, secure servers, and regular security assessments.x.tax · 1 Oct 2026
IRS authorization
X.TAX describes itself as an IRS-authorized e-filing platform.x.tax · 1 Oct 2026
API
The developer platform offers an API for embedding Forms 1065, 1120, 1120-S, 7004, and 4868 filing into products.developer.x.tax · 1 Oct 2026
API security
The developer platform states that its infrastructure uses AES-256 encryption at rest, TLS 1.3 in transit, and SOC 2 Type II certified infrastructure.developer.x.tax · 1 Oct 2026
Support
Support is available by email at [email protected], with listed business hours Monday through Friday, 8AM to 6PM CST.x.tax · 1 Oct 2026
Free start
The homepage says users can start for free and pay only when ready to file.x.tax · 1 Oct 2026

Company

Headquarters
Austin, Texas, United Statesx.tax · 28 Sept 2026

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Where it ranks on Inferse

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