Tax Deadlines in Switzerland for the 2025 Tax Year: Overview by Canton
The 2025 tax deadlines are regulated differently by canton and apply separately for natural and legal persons. Here you'll find all submission deadlines and extension options at a glance – including helpful tips.
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Those who want to submit their tax return on time should know the cantonal deadlines precisely. These differ by canton and apply separately for private individuals (natural persons) and companies (legal entities). This overview shows the submission deadlines for the 2025 tax year.
Tax Deadlines for Private Individuals
- Aargau: Submission deadline 31.03.2026, extension until individual
- Appenzell Ausserrhoden: Submission deadline 31.03.2026, extension until 31.10.2026
- Appenzell Innerrhoden: Submission deadline 30.04.2026, extension until 30.11.2026
- Basel-Landschaft: Submission deadline 31.03.2026, extension until 30.11.2026
- Basel-Stadt: Submission deadline 31.03.2026, extension until 31.12.2026
- Bern: Submission deadline 15.03.2026, extension until 15.11.2026
- Freiburg: Submission deadline 31.03.2026, extension until 15.12.2026
- Geneva: Submission deadline 31.03.2026, extension until 31.12.2026
- Glarus: Submission deadline 31.03.2026, extension until 31.12.2026
- Graubünden: Submission deadline 31.03.2026, extension until 30.11.2026
- Jura: Submission deadline 15.07.2026, extension until 31.10.2026
- Lucerne: Submission deadline 31.08.2026, extension until 31.12.2026
- Neuchâtel: Submission deadline 21.02.2026, extension until 31.10.2026
- Nidwalden: Submission deadline 31.03.2026, extension until 31.12.2026
- Obwalden: Submission deadline 31.03.2026, extension until 31.12.2026
- Schaffhausen: Submission deadline 31.03.2026, extension until 30.11.2026
- Schwyz: Submission deadline 31.03.2026, extension until 31.12.2026
- Solothurn: Submission deadline 31.03.2026, extension until individual
- St. Gallen: Submission deadline 31.03.2026, extension until 31.12.2026
- Ticino: Submission deadline 30.04.2026, extension until 31.12.2026
- Thurgau: Submission deadline 30.04.2026, extension until 30.11.2026
- Uri: Submission deadline 31.03.2026, extension until 30.09.2026
- Vaud: Submission deadline 15.03.2026, extension until 30.09.2026
- Valais: Submission deadline 31.03.2026, extension until 31.12.2026
- Zug: Submission deadline 30.04.2026, extension until 31.12.2026
- Zurich: Submission deadline 31.03.2026, extension until 30.11.2026
Tax Deadlines for Companies
- Aargau: Submission deadline 31.10.2026, extension until 31.12.2026
- Appenzell Ausserrhoden: Submission deadline 30.06.2026, extension until 31.12.2026
- Appenzell Innerrhoden: Submission deadline 31.05.2026, extension until 30.11.2026
- Basel-Landschaft: Submission deadline 30.06.2026, extension until 28.02.2027
- Basel-Stadt: Submission deadline 30.06.2026, extension until 31.12.2026
- Bern: Submission deadline 31.07.2026, extension until 15.11.2026
- Freiburg: Submission deadline 31.08.2026, extension until individual
- Geneva: Submission deadline 30.04.2026, extension until 31.12.2026
- Glarus: Submission deadline 30.06.2026, extension until 31.03.2027
- Graubünden: Submission deadline 30.09.2026, extension until 31.05.2027
- Jura: Submission deadline 15.07.2026, extension until 31.10.2026
- Lucerne: Submission deadline 31.08.2026, extension until 31.12.2026
- Neuchâtel: Submission deadline 31.03.2026, extension until 31.10.2026
- Nidwalden: Submission deadline 30.06.2026, extension until 31.12.2026
- Obwalden: Submission deadline 30.06.2026, extension until 31.03.2027
- Schaffhausen: Submission deadline 30.09.2026, extension until 31.12.2026
- Schwyz: Submission deadline 31.07.2026, extension until 31.12.2026
- Solothurn: Submission deadline 30.06.2026, extension until 31.12.2026
- St. Gallen: Submission deadline 30.06.2026, extension until 31.12.2026
- Ticino: Submission deadline 30.06.2026, extension until 31.01.2027
- Thurgau: Submission deadline 30.06.2026, extension until 31.12.2026
- Uri: Submission deadline 31.07.2026, extension until 31.12.2026
- Vaud: Submission deadline 12.09.2026, extension until 30.11.2026
- Valais: Submission deadline 30.06.2026, extension until 31.12.2026
- Zug: Submission deadline 30.09.2026, extension until 30.06.2027
- Zurich: Submission deadline 30.09.2026, extension until 30.11.2026
Important Note on Deadline Extensions
In most cantons, extending the tax deadline is free of charge, but in some cases fees may apply – particularly if the extension is requested very last-minute or is needed multiple times. Therefore, check your canton's regulations in advance to avoid unnecessary costs.
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