Business tax extension filing is currently closed.
The IRS isn’t accepting tax extension requests right now, but you can still file your 2025 business taxes.
File 2025 Taxes
Business tax extension filing is currently closed.
The IRS isn’t accepting tax extension requests right now, but you can still file your 2025 business taxes.
File 2025 TaxesWhat are your next steps?
Missed the deadline?
You can still file your 2025 tax return — just do it as soon as possible to minimize penalties and interest. We’ll guide you every step of the way.
When does the IRS open?
The IRS typically opens for the new tax filing season at the end of January. Check back then to request more time to file your 2026 tax return.
Not filing costs way more than not paying
For many small businesses, late-filing penalties can add up quickly, sometimes per owner or shareholder.
Already filed your business tax extension?
Confirm your extension filing, pay what you can (if you owe), and get ready to file by the September 15 or October 15 deadline.
Learn MorePlan ahead for your 2026 business taxes.
Keep your business and personal finances separate.
Use a dedicated business checking account and credit card so income and expenses stay easy to track.
Re-evaluate your business structure.
Your business may have evolved since you last filed. Now is a good time to review whether your structure still makes sense for your goals and potential tax advantages.
Maximize your deductions before the year ends.
Investing in equipment, software, or employee benefits now can help reduce your taxable income.
Missed the extension deadline for S-Corps or Partnerships?
The deadline to file a business tax extension for S-Corporations or Partnerships closed on March 16, 2026.
You can still file your 2025 business tax return — just do it as soon as possible to minimize penalties and interest. We’ll guide you every step of the way.
TaxAct will be ready to help when 2026 business tax extension filing is available.
In the meantime, you can file your 2025 business tax return or explore tools to get organized for 2026.
Frequently Asked Questions
The IRS extension deadlines vary by business type. For calendar-year partnerships and S corporations, the deadline to file an extension is March 15. For sole proprietors and single-member LLCs who report business income on Schedule C, the extension deadline is April 15. If you've missed these deadlines, you can no longer file an extension — but you can (and should) still file your return as soon as possible. Doing so can help reduce or avoid failure-to-file penalties and interest on unpaid taxes.
Yes. Even if you filed your tax extension through another tax provider or directly with the IRS, you can still use TaxAct to prepare and file your business or individual return. Just be sure your extension was submitted by the applicable IRS deadline, and TaxAct will walk you through the rest.
To file a business tax extension, you'll need to submit the correct IRS form for your entity type:
Form 7004 for partnerships, corporations, and S corps
Form 4868 for sole proprietors and single-member LLCs (Schedule C filers)
You can file these forms electronically using tax software like TaxAct or mail them to the IRS. If filed on time, the extension typically gives you an extra six months to file your return. Source: irs.gov – About Form 7004 / Form 4868 Instructions
Yes. The IRS accepts online extension filings through approved e-file providers, including TaxAct. Filing electronically is faster, more secure, and gives you immediate confirmation of receipt. Source: irs.gov – e-File for Business Extensions
No. A tax extension only gives you more time to file, not to pay. Any estimated taxes owed for your business must still be paid by the original due date (March 15 or April 15, depending on entity type). Failing to pay on time can result in interest and late-payment penalties
If you miss the deadline to file a tax extension, the IRS may charge a failure-to-file penalty, which can be significantly higher than the failure-to-pay penalty. Interest also accrues on unpaid taxes. It’s best to file your return as soon as possible to reduce potential penalties.
The IRS only issues refunds for returns filed within three years of the original due date. For example, if your 2021 business return was due in April 2022, the final deadline to claim a refund was April 2025. After that, any unclaimed refund is forfeited.
Please note: TaxAct does not support filing returns for tax year 2022 or earlier. To file older returns, you’ll need to download forms from irs.gov and file by mail.
Yes. If you're a U.S. citizen or resident living abroad, or if you're an active-duty service member in a combat zone, you may receive automatic filing extensions. The length of the extension depends on your situation. More information can be found in these two articles: 7 Tax Tips Military Members Need To Know and How to File U.S. Taxes While Living Abroad: A Complete Guide for Expats
Most states allow business tax extensions, but requirements and deadlines vary. Some states honor your federal extension automatically, while others require a separate state-specific form. Be sure to check with your state’s tax authority or use TaxAct's state filing guidance.
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