Tax deadlines in Thurgau
What are the deadlines for filing tax returns in the Canton of Thurgau? Here you’ll find all the key information about deadlines, extensions, and the possible consequences of late submission.
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Ordinary tax deadlines
In the Canton of Thurgau, the following submission deadlines apply:
- Private individuals: by April 30
- Companies: by June 30
These deadlines always apply to the tax year that ended in the previous year.
Request deadline extension & maximum deadlines
If you cannot submit your tax return in the Canton of Thurgau on time, you can request an extension from the tax office. This can be done either online or in writing — for both private individuals and companies. The maximum extensions are:
- Private individuals: November 30
- Companies: December 31
Note: Depending on the canton, fees may be charged for an extension.
Good to know: If you book through Taxea.ch, the deadline extension is automatically included. You don’t have to worry about a thing — we’ll take care of it for you.
What happens if you file your tax return late?
If the tax return in the Canton of Thurgau is submitted late without an extension, the following consequences may occur:
- The tax office issues a reminder
- Reminder fees or fines may be imposed
- In certain cases, a discretionary tax assessment may be carried out
To avoid costs and unnecessary effort, it is advisable to submit your tax return on time or use our service.
Different deadlines for special cases
Depending on your situation, different deadlines and specific tax rules may apply. For example, this may be the case in situations such as:
- Moving to Switzerland from abroad
- Moving from Switzerland to another country
- Death during the tax year
- Starting or ending self-employment
- Establishing, restructuring, or liquidating a company
In such cases, it is advisable to clarify with the relevant tax authority directly or seek support from a tax specialist to ensure compliance with deadlines and obligations.
Frequently asked questions about tax deadlines in Thurgau
Below you will find answers to the most important questions about tax deadlines in the Canton of Thurgau.
When do you need to file your tax return in the Canton of Thurgau?
In the Canton of Thurgau, tax returns are due by April 30 for private individuals and June 30 for companies. If needed, you can apply for an extension.
How do I request an extension of the deadline?
The application can be submitted online or in writing to the Thurgau tax office. If you book through Taxea.ch, we will automatically handle this step for you.
Do I have to file a tax return in Thurgau every year?
Yes, all taxable individuals and companies in the Canton of Thurgau must file a tax return every year — and with our help, the process is quick, accurate, and stress-free.
What happens if I file my tax return late or not at all?
The tax office can send reminders, impose reminder fees or fines and, in certain cases, carry out a discretionary assessment.
Can I also apply for an extension of the deadline if I move away?
Yes, in principle, an extension is also possible if you move away. It is important to inform the tax office in due time.
