Gewerbesteuererklärung (Trade Tax Return)
The annual municipal trade tax return, establishing the Gewerbesteuermessbetrag (trade tax assessment amount) which is then multiplied by the local Hebesatz to calculate the final Gewerbesteuer liability. Filed with the local Finanzamt, which sends the Messbescheid to the relevant municipality.
Who this applies to
- All Gewerbebetriebe (commercial businesses), including GmbHs, AGs, sole traders, and partnerships
- Does not apply to Freiberufler (liberal professionals — lawyers, doctors, architects, tax advisors) under §18 EStG
- Agricultural businesses are also exempt
What to file
Gewerbesteuererklärung (form GewSt 1A): profit from business operations adjusted for GewSt-specific additions (Hinzurechnungen — 25% of interest, 20% of leasing costs, 6.25% of royalties) and deductions (Kürzungen — notional return on property). Net Gewerbeertrag after Freibetrag determines the Steuermessbetrag.
How to file
Electronically via ELSTER. The Finanzamt processes the return and issues a Gewerbesteuermessbescheid to both the company and the relevant municipality. The municipality then issues the actual Gewerbesteuer assessment based on the Messbescheid multiplied by its Hebesatz.
Payment due
Advance payments quarterly: 15 February, 15 May, 15 August, 15 November (note: different dates from KSt advances). Final payment within one month of the GewSt assessment notice.
Penalties for missing this deadline
Verspätungszuschlag up to 10% of the tax assessed. Missed advance payments incur Säumniszuschlag of 1% per month. Chronic late filing can result in a Schätzung (estimated assessment) by the Finanzamt.
Filing checklist
- Profit figure from commercial accounts taken as starting point
- Hinzurechnungen calculated: 25% of all interest costs, 20% of all operating lease/rental payments, 6.25% of royalty payments, and other specified items
- Kürzungen applied: 1.2% of assessed land values (Grundbesitzkürzung) and other allowances
- Freibetrag applied: €24,500 for individuals and partnerships (not for GmbHs)
- Check whether loss carry-forwards (Gewerbeverlust) from prior years can offset current year profit
Documents you'll need
- Annual accounts (Jahresabschluss) confirming commercial profit
- Detailed breakdown of interest payments, leasing costs, and royalties for Hinzurechnung calculation
- Prior year Gewerbesteuermessbescheide for comparison
- Property assessment values (Einheitswerte) if claiming Grundbesitzkürzung
Common mistakes to avoid
- Forgetting the Hinzurechnungen — many businesses omit the 20% leasing cost addition because it feels counterintuitive to add back costs already deducted
- Claiming the €24,500 Freibetrag for a GmbH — it only applies to natural persons and partnerships
- Not reconciling GewSt advance payments against the final assessment — overpayments earn no interest but underpayments incur Säumniszuschlag
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