Need to file a business tax extension? TaxAct can help.
The business tax filing deadlines are on March 16 and April 15, depending on your entity. File a tax extension to get an additional six months to file.
File a Tax ExtensionNeed to file a business tax extension? TaxAct can help.
The business tax filing deadlines are on March 16 and April 15, depending on your entity. File a tax extension to get an additional six months to file.
File a Tax Extension
Not filing costs way more than not paying
For many small businesses, late-filing penalties can add up quickly, sometimes per owner or shareholder.
What are your next steps?
1. File an extension by March 16 or April 15.
File a tax extension. This is the most important step! You’ll file IRS Form 4868, estimate your taxes, and pay what you can — even if it’s $0.
2. Finish filing by September 15 or October 15.
Gather your documents and finish filing your taxes. If you filed your tax extension, there is no additional penalty for filing during this time.
Missed the extension deadline for S-Corps or Partnerships?
Deadlines vary by business type.
File a business tax extension by April 15, 2026.
Businesses that typically file by April 15 will have their tax filing deadline extended to October 15.
Sole Proprietor
Sole proprietors and freelancers will file IRS Form 4868 to file a tax extension.
C Corporations
Corporations will file IRS Form 7004 to file a tax extension.
Estates & Trusts
Fiduciaries will file IRS Form 7004 to file a tax extension.
File a business tax extension by May 15, 2026.
Businesses that typically file by May 15 will have their tax filing deadline extended to November 15.
Tax Exempt Orgs
Nonprofits and charities will file IRS Form 8868 to file a tax extension.
Filing for S-Corps and Partnerships?
The business tax extension deadline closed on March 16, 2026, but you can still file your 2025 tax return! File soon to minimize penalties and interest.
S Corporations
S corporations will file IRS Form 7004 to file a tax extension.
Partnerships
Partnerships and multi-member LLCs will file IRS Form 7004 to file a tax extension.
Choose how to file your extended return
Choose how to file your extended return
What you need to know.
Extension deadlines vary.
Filing an extension is fast.
An extension isn’t extra time to pay.
