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TAX CALENDARSELF-EMPLOYEDGUIDE

2026 tax calendar for self-employed people

The 2026 dates for VAT, instalment payments, withholding and the annual income-tax return, summarised in one place.

Zolven · 2 min read · 5 June 2026

2026 annual calendar with tax dates highlighted in an orderly layout

Quarterly dates

These are the general filing dates. You only need to file the forms that apply to your activity, and direct-debit deadlines are earlier. Check the official 2026 taxpayer calendar.

Direct links for 2026: Form 303 (VAT), Form 130 (direct assessment), Form 131 (objective assessment), Form 111 (employment and professional withholding) and Form 115 (rent withholding).

  • 20 January: Q4 2025 Forms 111 and 115, if you withhold tax.
  • 30 January: Q4 2025 Forms 303 and 130/131; Form 390 if required.
  • 2 February: 2025 annual summaries 180 and 190, if applicable.
  • 20 April: Q1 2026 Forms 303, 130/131, 111 and 115.
  • 20 July: the same forms for Q2.
  • 20 October: the same forms for Q3.

2025 annual income-tax campaign

Online returns can be filed from 8 April to 30 June 2026. If tax is due and you pay by direct debit, the deadline is 25 June.

What to prepare before each quarter closes

  • Record every issued and received invoice.
  • Review expenses without supporting documents and international transactions.
  • Check amounts carried forward and accumulated withholding.
  • Confirm the direct-debit deadline and the account balance.

Important

This summary covers the most common obligations. Intra-EU transactions, employees, rent, objective-assessment schemes, special regimes or information returns may add forms and dates.

The deadline is already on the calendar. Your new gestoría can be too.

Limited places in the pilot programme for self-employed people. Tell us about your business and we’ll let you know whether Zolven can already run its back office.

We reply within 24 hours · hola@zolven.ai