IRS Authorized E-file Provider for Tax Extension Forms
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File Corporate (C-Corp) Tax Form
1120 Extension Online

  • Extension for the Corporate Tax Return 1120 can be obtained by
    filing the IRS Form 7004.
  • Filing the IRS Form 7004 gives Corporation an additional 6 months of time to file their 1120 tax return.
  • The IRS Recommends filers to E-file Form 7004 for quick processing and to get an instant IRS Approval.
IRS Authorized E-file Provider for Tax Extension Forms

C-Corp Tax Extension

  • File Form 7004 to get an extension for your C-Corp Tax Return 1120
  • IRS doesn't require any reason for applying for an extension
  • Form 7004 provides additional 6 months of time to file Form 1120
  • IRS recommends filing Form 7004 electronically for quick processing

File C-Corp Extension in Minutes with ExpressExtension

Corporate Tax Forms Purposes, Due Date, and Extension

- Updated March 22, 2022 - 8.00 AM Admin, ExpressExtension

Form 1120 - U.S. Corporation Income Tax Return

Businesses operating as a corporation use Form 1120 to report the IRS about their income, gain, losses, deductions, and credits.


Due Date to file Corporate Tax Form 1120

The due date to file Form 1120 is the 15th day of the fourth month after the end of the tax year. The deadline to file Form 1120 for the 2021 tax year is April 18, 2022.

Is your organization operating in the fiscal year? Find out your due date here.


Extension for (C-Corp) Corporate Tax Form 1120

Want to file an extension for your corporation? File Form 7004 Now


When is the due date to file an extension for C-Corp Tax Form 1120?

The due date for filing the tax extension for a corporate tax return is the same as the Form 1120 filing deadline. i.e., 15th day of the fourth month after the end of the tax year.

For this 2021 tax year, the due date to file an extension for corporate tax return 1120 is
April 18, 2022. Request an Extension Now


How to file a Corporate (C-Corp) Tax Extension?

The corporation can request the Form 7004 extension using ExpressExtension, an IRS-approved efile provider for tax extension forms. Filing a 7004 extension with ExpressExtension is very simple and can be completed in less than 5 minutes.

  • Enter Business Details
  • Choose the tax return for which you are applying for an extension (Form 1120)
  • Choose Tax Period (Calendar or Fiscal Tax Year)
  • Enter tentative tax payment if any and the option (EFW, or EFTPS) that you prefer to pay those tax due
  • Review the Form summary, and E-file 7004 with the IRS

Once you filed Form 7004, the IRS will process your extension quickly, and you will be notified about the extension status via email instantly.


Why should I choose ExpressExtension to file my Corporate Tax Extension?

Most of the businesses choose ExpressExtension for these amazing features:

  • Extension Guaranteed or Money Back
  • Option to pay the balance due
  • Compatibility to file from any device
  • Filing of State Business Tax Extension
  • Instant Notifications about the filing status
  • Re-transmission of rejected return
  • Bulk upload templates and volume-based pricing for bulk filers

Get all these amazing features for the lowest price $19.95. File your tax extension today.


Is your business an S-corporation?

  • Businesses operating as an S-corporation use Form 1120-S to report the income, losses, and dividends of S-Corporation shareholders.
  • The due date to file Form 1120-S or an 1120-S extension is usually the 15th day of the third month (March 15, 2022, this year) after the end of the tax year.

Want to know more about how to file an extension for an 1120-S tax return? Click here to see how you can obtain an extension for 1120-S using ExpressExtension.

See why our customers choose us year after year

ExpressExtension - The Smart Business Owners Choice

Extend your Corporate Tax Filing Deadline Now!