When are taxes due? 2026 tax deadlines for self-employed and small businesses

Here is your official cheat sheet to the most critical tax dates you need to know.

In this video, we break down the most important IRS tax dates you’ll encounter throughout the year so you can stay compliant, avoid penalties, and feel confident going into tax season. We’ll walk through the major filing deadlines, extension windows, contribution cutoffs, and key milestones for businesses, individuals, and anyone earning income without withholding. Whether you file as an employee, run a business, or are self-employed, this timeline will be your go-to cheat sheet for the entire year.

What you'll learn:
• The key early-year deadlines for employer tax forms
• Important business tax filing dates for partnerships, S-corps, and C-corps
• The major April milestones for filings, contributions, and retirement rules
• Mid- and late-year deadlines for extended returns
• The quarterly estimated tax dates self-employed taxpayers must track
• How these dates affect penalties, refunds, and IRS compliance
• How to build a simple tax-deadline calendar to stay organized
• How QuickBooks helps automate reminders and reduce tax-season stress

This content is for information purposes only and should not be considered legal, accounting or tax advice, or a substitute for obtaining such advice specific to your business. Additional information and exceptions may apply. Applicable laws may vary by state or locality. No assurance is given that the information is comprehensive in its coverage or that it is suitable in dealing with a customer’s particular situation. Intuit Inc. does not have any responsibility for updating or revising any information presented herein. Accordingly, the information provided should not be relied upon as a substitute for independent research. Intuit Inc. does not warrant that the material contained herein will continue to be accurate, nor that it is completely free of errors when published. Readers should verify statements before relying on them.

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Видео When are taxes due? 2026 tax deadlines for self-employed and small businesses канала Intuit QuickBooks