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📅 ZZP Tax Calendar 2026

Never miss a tax deadline again. All important dates for ZZP'ers in the Netherlands.

⚠️ Important: BTW returns must be filed and paid within one month after each quarter ends. Late filing results in a €68 fine, late payment adds interest charges.

Annual Deadlines

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BTW Returns

File and pay quarterly. Deadlines: April 30, July 31, October 31, January 31.

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Income Tax (IB)

Annual inkomstenbelasting return. Deadline: May 1, 2026 for the 2025 tax year. Extension possible until September.

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Provisional Tax

If expected to owe more than €100, pay voorlopige aanslag in monthly installments throughout the year.

BTW Quick Reference

Quarter Period Filing Deadline Status
💡 Pro Tip: Set up a separate savings account and transfer 25–30% of every invoice payment to it. This way you'll always have money ready for your BTW and income tax bills.

Need to Calculate Your BTW?

Use our free BTW calculator to find out exactly how much you owe

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