Tax, accounting, and operational guides for Germany

Practical articles for self-employed people, founders, and small teams building cleaner accounting and tax routines in Germany.

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Germany Tax Calendar 2026: All Deadlines for Freelancers & GmbHs

Missing a German tax deadline costs hundreds of euros in late-filing surcharges — and in the worst case an estimated assessment from the Finanzamt. This Germany tax calendar for 2026 covers every key date for freelancers, self-employed, and GmbHs in one place: income tax, VAT pre-returns, prepayments, EC sales list, and trade tax.

Your income tax return for tax year 2025 must reach the Finanzamt by 31 July 2026 if you file on your own. With a tax adviser (Steuerberater) or Lohnsteuerhilfeverein, the deadline shifts to 1 March 2027 (the statutory 28 February falls on a Sunday).

Self-employed people must file even in a loss year. The return includes the EÜR cash-basis P&L and — if you are gewerblich (commercial) — the trade tax return. Common mistakes are covered in our German tax filing mistakes guide.

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