Business Taxes Done AItomatically,
Human in the Loop
AI-powered tax filing for LLCs, S-Corps, and C-Corps. IRS-authorized e-filing with built-in accuracy checks and expert support.
Business Taxes Done AItomatically,
Human in the Loop
AI-powered tax filing for LLCs, S-Corps, and C-Corps. IRS-authorized e-filing with built-in accuracy checks and expert support.
Business Taxes Done AItomatically,
Human in the Loop
AI-powered tax filing for LLCs, S-Corps, and C-Corps. IRS-authorized e-filing with built-in accuracy checks and expert support.
$159
$159
Flat federal price
Flat federal price
4.9/5
4.9/5
Trusted filer rating
Trusted filer rating
AI-Powered
AI-Powered
Smart filing assistance
Smart filing assistance
50
50
State filing coverage
State filing coverage
Every entity has its own form. We file all of them
Every entity has its own form.
We file all of them
Tell us your business type and we will guide you to the right return - then prepare, review, and e-file it.
Tell us your business type and we will guide you to the right return -
then prepare, review, and e-file it.
FORM 1065
Partnerships & multi-member LLCs
Report partnership income and issue Schedule K-1s to every partner.
FORM 1120-S
S-Corporations
File your S-corp return and pass income through to shareholders.
FORM 1120
C-Corporations
File corporate income tax with all schedules handled for you.
Filing in more than one state?
Add state returns for just $49 each and annual reports for $129 — handled alongside your federal filing.
how it works
Built for how your business actually files
Automation handles the busywork. Real tax pros handle the judgment.
You get an accurate return without the price of a traditional firm.
Automation handles the busywork. Real tax pros handle the judgment. You get an accurate return without the price of a traditional firm.
AI does the heavy lifting
Upload your previous 1065, 1120-S, or 1120. X.TAX scans the file and pulls key business details automatically.
Upload prior return
AI fills key details
Built-in error checks
A real CPA reviews it
Every return is checked by a licensed CPA or EA before it is filed (available as add on).
Audit support available
If the IRS has questions, you are not alone.
No black-box filing
You stay in control before anything is e-filed.
How it works
An AI tax assistant, backed by real CPAs
Our engine does the data entry, the math, and the form mapping in minutes. A licensed pro checks the result. You stay in control the whole way.
Imports from QuickBooks, Xero & spreadsheets
Asks plain-English questions — no tax jargon
Flags deductions and credits you may qualify for
Escalates anything tricky to a licensed CPA
How it works
An AI tax assistant, backed by real CPAs
Our engine does the data entry, the math, and the form mapping in minutes. A licensed pro checks the result. You stay in control the whole way.
Imports from QuickBooks, Xero & spreadsheets
Asks plain-English questions — no tax jargon
Flags deductions and credits you may qualify for
Escalates anything tricky to a licensed CPA
How it works
An AI tax assistant, backed by real CPAs
Our engine does the data entry, the math, and the form mapping in minutes. A licensed pro checks the result. You stay in control the whole way.
Imports from QuickBooks, Xero & spreadsheets
Asks plain-English questions — no tax jargon
Flags deductions and credits you may qualify for
Escalates anything tricky to a licensed CPA
The secure 5-step filing process for business returns
File Form 1065, 1120S, 1120 & more - quickly, securely, and IRS-approved.
1
Select Your Form
Select your tax form and filing year to begin.
2
Choose Filing Method
Pick your preferred way to file.
3
Enter or Import Your Details
Complete your return using your selected method.
4
Review & Validate
Verify your information before submission.
5
Pay & eFile
Complete payment and securely eFile your return to the IRS.
The secure 5-step filing process for business returns
File Form 1065, 1120S, 1120 & more - quickly, securely, and IRS-approved.
1
Select Your Form
Select your tax form and filing year to begin.
2
Choose Filing Method
Pick your preferred way to file.
3
Enter or Import Your Details
Complete your return using your selected method.
4
Review & Validate
Verify your information before submission.
5
Pay & eFile
Complete payment and securely eFile your return to the IRS.
The secure 5-step filing process for business returns
File Form 1065, 1120S, 1120 & more - quickly, securely, and IRS-approved.
1
Select Your Form
Select your tax form and filing year to begin.
2
Choose Filing Method
Pick your preferred way to file.
3
Enter or Import Your Details
Complete your return using your selected method.
4
Review & Validate
Verify your information before submission.
5
Pay & eFile
Complete payment and securely eFile your return to the IRS.
Bring your numbers
in automatically
Sync your entire stack in one click - no manual entry, no re-keying, no friction.
Bring your numbers
in automatically
Sync your entire stack in one click - no manual entry, no re-keying, no friction.
Bring your numbers
in automatically
Sync your entire stack in one click - no manual entry, no re-keying, no friction.
One flat price. Full business tax coverage.
No hidden fees. No surprises. One flat price per filing.
Flat federal filing
$159
Federal
Form 1065
Form 1120-S
Form 1120
AI-assisted workflow
IRS e-file tracking
Built-in validation checks
No hidden fees. Add-ons are optional.
State Filing
For each state filing
$49
Extension Filing
For each federal extension
$14.99
Optional add-ons
Add support only when you need it.
Tax Expert Review
Extra review before filing
$59
Audit Protection
Year-round audit support
$99
State Annual / Franchise Report
Annual or franchise report filing
$129
Flat federal filing
$159
Federal
Form 1065
Form 1120-S
Form 1120
AI-assisted workflow
IRS e-file tracking
Built-in validation checks
No hidden fees. Add-ons are optional.
State Filing
For each state filing
$49
Extension Filing
For each federal extension
$14.99
Optional add-ons
Add support only when you need it.
Tax Expert Review
Extra review before filing
$59
Audit Protection
Year-round audit support
$99
State Annual / Franchise Report
Annual or franchise report filing
$129
Flat federal filing
$159
Federal
Form 1065
Form 1120-S
Form 1120
AI-assisted workflow
IRS e-file tracking
Built-in validation checks
No hidden fees. Add-ons are optional.
State Filing
For each state filing
$49
Extension Filing
For each federal extension
$14.99
Optional add-ons
Add support only when you need it.
Tax Expert Review
Extra review before filing
$59
Audit Protection
Year-round audit support
$99
State Annual / Franchise Report
Annual or franchise report filing
$129
Customer Testimonials
Here’s what our clients say about us
Stories from real customers
"
Reliable help when it mattered
The extension workflow made it simple to keep our records moving while we wrapped up the last few details.
NP
Noah Patel
Founder
4.0 · 59 reviews
"
A filing tool our team trusts
The review prompts caught small issues early and helped us submit our annual report with confidence.
EL
Elena Lee
Finance Manager
5.0 · 96 reviews
"
Everything was clear from day one
Our first partnership filing with X.TAX was organised, easy to follow, and far less stressful than previous years.
MC
Maya Chen
Managing Partner
5.0 · 112 reviews
"
A smoother close, every quarter
We moved our partnership return out of spreadsheets and finished our filing with a much clearer review process.
SK
Sara K.
Operations Director
5.0 · 128 reviews
"
A calm way to handle deadlines
The guided checks gave our S-Corp team confidence before filing, without adding another late night to the calendar.
JB
John Biden
S-Corp Owner
4.0 · 86 reviews
"
QuickBooks data finally flowed
Importing our corporate records was straightforward, and the review steps made the final filing feel genuinely manageable.
AK
Alex Kim
Controller
4.0 · 74 reviews
Customer Testimonials
Here’s what our clients say about us
Stories from real customers
"
Reliable help when it mattered
The extension workflow made it simple to keep our records moving while we wrapped up the last few details.
NP
Noah Patel
Founder
4.0 · 59 reviews
"
A filing tool our team trusts
The review prompts caught small issues early and helped us submit our annual report with confidence.
EL
Elena Lee
Finance Manager
5.0 · 96 reviews
"
Everything was clear from day one
Our first partnership filing with X.TAX was organised, easy to follow, and far less stressful than previous years.
MC
Maya Chen
Managing Partner
5.0 · 112 reviews
"
A smoother close, every quarter
We moved our partnership return out of spreadsheets and finished our filing with a much clearer review process.
SK
Sara K.
Operations Director
5.0 · 128 reviews
"
A calm way to handle deadlines
The guided checks gave our S-Corp team confidence before filing, without adding another late night to the calendar.
JB
John Biden
S-Corp Owner
4.0 · 86 reviews
"
QuickBooks data finally flowed
Importing our corporate records was straightforward, and the review steps made the final filing feel genuinely manageable.
AK
Alex Kim
Controller
4.0 · 74 reviews
Customer Testimonials
Here’s what our clients say about us
Stories from real customers
"
Reliable help when it mattered
The extension workflow made it simple to keep our records moving while we wrapped up the last few details.
NP
Noah Patel
Founder
4.0 · 59 reviews
"
A filing tool our team trusts
The review prompts caught small issues early and helped us submit our annual report with confidence.
EL
Elena Lee
Finance Manager
5.0 · 96 reviews
"
Everything was clear from day one
Our first partnership filing with X.TAX was organised, easy to follow, and far less stressful than previous years.
MC
Maya Chen
Managing Partner
5.0 · 112 reviews
"
A smoother close, every quarter
We moved our partnership return out of spreadsheets and finished our filing with a much clearer review process.
SK
Sara K.
Operations Director
5.0 · 128 reviews
"
A calm way to handle deadlines
The guided checks gave our S-Corp team confidence before filing, without adding another late night to the calendar.
JB
John Biden
S-Corp Owner
4.0 · 86 reviews
"
QuickBooks data finally flowed
Importing our corporate records was straightforward, and the review steps made the final filing feel genuinely manageable.
AK
Alex Kim
Controller
4.0 · 74 reviews
5900 Balcones Drive #22662, Austin, TX, 78731
Monday - Friday, 9AM to 6PM EST
X.TAX © 2026 All rights reserved.
5900 Balcones Drive #22662, Austin, TX, 78731
Monday - Friday, 9AM to 6PM EST
X.TAX © 2026 All rights reserved.
5900 Balcones Drive #22662, Austin, TX, 78731
Monday - Friday, 9AM to 6PM EST
X.TAX © 2026 All rights reserved.