Form 1120 Filing Service |U.S. Corporate Tax Filing|Domestic & Cross-Border Business

Form 1120 Filing Service (U.S. Corporate Tax Return)

Filing Form 1120 is a required annual compliance step for many U.S. corporations — even if your company has little activity or no income.

CrossBorderstax provides an AI-assisted workflow with final review and filing completed by licensed U.S. CPAs.

You don’t need to understand corporate tax rules — you just need to file correctly.

Who This Service Is For

This Form 1120 filing service is designed for:

• U.S. C-Corporations with business activity

• U.S. corporations with no income but annual filing requirements

• Cross-border businesses with international ownership

• E-commerce sellers operating through a U.S. corporation

• Companies that want a structured process instead of back-and-forth emails

What We Need From You

To begin, we typically require:

• Profit & Loss statement (P&L)

• Balance Sheet

• Bank statements (if applicable)

• Ownership information

• Prior-year tax return (if available)

• Business activity summary (simple intake questions)

If you don’t have everything ready, the intake checklist will guide you.

Typical Turnaround Time

Most Form 1120 filings can be completed within 5–15 business days, depending on:

• document completeness

• business complexity

• CPA review queue during peak season

Pricing

Pricing depends on business activity and complexity.

Please view our plans for a transparent breakdown.

→ View Plans & Pricing

Ready to file your U.S. corporate tax return?

[Start Filing Now]

(secure intake + CPA review included)

FAQ

Form 1120 FAQ

Do I need to file Form 1120 if my corporation has no income?

In many cases, yes. Certain U.S. corporations must file Form 1120 annually even with no income.

Do you file Form 1120 for foreign-owned corporations?

Yes. We support Form 1120 filings for domestic and foreign-owned U.S. corporations.

Is CPA review included?

Yes. All returns are reviewed by a licensed U.S. CPA prior to filing.

How do I submit documents?

You will upload documents through a secure workflow after purchase.

Do you provide tax planning or consulting?

This service is focused on tax return preparation and filing. Advisory services may be available separately.

What happens if my filing is more complex than expected?

If additional complexity is identified, we will notify you and provide upgrade options before continuing.

Disclaimer: Information on this page is for general informational purposes only and does not constitute tax or legal advice. Final review and filing are completed by a licensed U.S. CPA.