Submit your 2026 taxes: the regular deadline is
31st of March
Make sure your 2026 tax return is ready by a regular deadline March 31, 2026 – with iqtax it's easy and takes few minutes.
Get started with your preparation
1 January 2026
-31 January 2026
Now is a good time to start gathering your documents. If you collect your receipts carefully now, it will be easier later on.
Tax season
1 February 2026
-31 March 2026
You should now have all your documents together. Prepare your tax return by the regular deadline.
Extended tax season
1 April 2026
-30 November 2026
If you have been granted an extension, you can still file your tax return during this period. Be sure to file your tax return before the extended deadline expires.
Last chance
1 December 2026
-31 December 2026
You risk having your taxes assessed at the tax office’s discretion. Coordinate with the tax office and file your tax return as soon as possible to avoid fines and excessive tax bills.
Keep track of deadlines. Keep your taxes under control.
With iqtax, you can file your tax return yourself - digitally, easily, and directly to the tax office.
Frequently asked
questions
iqtax exists to bring tax returns in Switzerland up to date with the latest technology. Instead of struggling through endless forms or hiring expensive tax advisors, AI takes care of the entire process. Fast, digital, and completely stress-free.
With iqtax, you can complete your tax return in just a few minutes. Thanks to artificial intelligence, there is hardly any need to transfer data manually, which minimizes sources of error on the one hand and maximizes optimization opportunities on the other. You can conveniently submit your completed tax return at the touch of a button. Check out here how iqtax works.
You can upload your documents with iqdocs directly to the platform or photograph them with your smartphone using the iqtax app. All documents are automatically recognized, and transferred to your tax return.
Usually only a few minutes. iqtax automatically reads your documents, so you hardly have to enter anything manually.
Yes. Our tax assistant answers your questions directly in the app. In addition, you can choose our expert tax return service, where an expert will provide you with personal 1:1 support or prepare your entire tax return for you.
All your data is encrypted and stored exclusively on FINMA and ISO/IEC 27001, 27017, and 27018 compliant servers in Switzerland. More about data security here.
Your data is only visible to you. Neither third parties nor partners have access to it. Our employees can only view your data if you request one-to-one support as part of the expert tax return service and give us your consent to do so. For more questions regarding data and data security, please contact us.
Yes, you can delete your data yourself at any time in the app's profile settings. If you have any further questions, please feel free to contact us.
If you are self-employed and run a sole proprietorship, you currently cannot file your tax return via iqtax. In this case, we recommend our Expert Tax Return service. Our tax professionals will handle your return and provide individual guidance.
Zurich is the first integrated canton. Additional cantons be connected gradually throughout 2026. Nationwide coverage across Switzerland is planned within the next 1–2 tax periods.
Prepare your
tax return for free
