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AI-Powered U.S. Corporate Tax Filing
for Domestic and Cross-Border Businesses
Reviewed and Filed By Licensed U.S. CPAs
One-stop U.S. tax filing for domestic and foreign-owned U.S. companies
Form 1120 & Form 5472 filing (IRS annual deadline applies)
✔ Reviewed by US CPAs | ✔ AI Automation | ✔ Cross-Border Compliance
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Who We Are
IAt CrossBorderstax, we believe cross-border compliance shouldn’t be a maze — it should be a system.
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Founded by a U.S. Certified Public Accountant with Big4 and multinational finance experience,
we combine AI automation with professional expertise to simplify U.S. tax filing.
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Our mission is simple:
To make U.S. tax compliance clear, efficient, and intelligent.
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From document upload to AI data mapping and CPA review,
every step is transparent, accurate, and designed for growth-minded entrepreneurs.
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We’re more than a filing platform — we’re your AI-powered tax partner,
bridging borders with clarity, compliance, and trust.
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Smart Tax. Human Touch.
Pricing
​Choose the right plan for your business
Early Client Program (Limited Availability)
​Includes Form 1120 and Form 5472 where applicable
MOST POPULAR
BEST VALUE
Need more time?
U.S. Corporate Tax Extension (Form 7004) is included in your filing plan.
Professional Custom Filing
From $1999 Assessment Required
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For complex structures, multi-entity groups, or non-standard cross-border cases.
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No available for direct checkout.