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Tax returns available for
iqtax and PostFinance launch the TaxOptimizer
Upload your receipts, and the platform will prepare your tax return and submit it directly to the Zurich Cantonal Tax Office after an expert review.
- Tested and further developed by PostFinance in two pilot phases
- Every tax return is reviewed by federally certified fiduciary experts
- Exclusive benefit for PostFinance customers
How it works
No confusion. A clear solution that saves time.
Onboarding
Create your profile and go through a quick onboarding process. Answer three simple questions and you're ready to go.
Upload documents
You can upload your documents directly to the platform or photograph them with your smartphone using our iqdocs app. All receipts are automatically recognized, extracted, and transferred to your tax return. If anything is missing, we will notify you so that your tax return is complete.
AI prepares your tax return
AI extracts all relevant information, structures it, and uses it to create your tax return - ready for your review.
Tax assistant at your side
The assistant answers your questions directly in the app and supports you throughout the entire process.
Completion & submission
Generate your tax return as a PDF, check and confirm it. You can then submit your tax return to the tax office via our platform.
Download the app for free!
With iqtax, you can easily digitize invoices, and key tax documents in just a few taps.
Read more
Meet your
AI tax platform
We are bringing artificial intelligence to Swiss tax returns, making easy filing accessible to everyone while maintaining the highest standards of security, accuracy and compliance.
Swiss data security
Your data is encrypted and stored exclusively in FINMA-compliant data centers in Switzerland. Only you have access to it.
Intelligent AI
Simply upload your documents. iqtax will take care of the rest and prepare your tax return for you.
Analytical
Turn obligation into added value: gain valuable insights into your financial situation from your tax return.
Easy
We only ask for what is important. No irrelevant forms or complicated technical terms.
Proven Results
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
An absolute game changer! I’ll be using iqtax for all my tax returns from now on. It saved me so much time and effort.
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Niko Margraf
I have never filed my taxes as easily or as cleverly as I have with iqtax. Just drag and drop your documents and let the AI do the work. A brilliant tool—I’ll be using it for all my tax returns from now on.
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Kamil Demirci
Simple and straightforward, truly excellent software. If you have any questions, you can chat directly on the website; Arbnor was online within a minute and was able to answer my question quickly.
Valdrin Dalipi
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Simple and straightforward, truly excellent software. If you have any questions, you can chat directly on the website; Arbnor was online within a minute and was able to answer my question quickly.
Valdrin Dalipi
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
An absolute game changer! I’ll be using iqtax for all my tax returns from now on. It saved me so much time and effort.
Niko Margraf
I have never filed my taxes as easily or as cleverly as I have with iqtax. Just drag and drop your documents and let the AI do the work. A brilliant tool—I’ll be using it for all my tax returns from now on.
Kamil Demirci
Simple, fast, and a real time-saver. The support team also responded quickly to a specific question and was able to help me.
Niko Freris
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
An absolute game changer! I’ll be using iqtax for all my tax returns from now on. It saved me so much time and effort.
Niko Margraf
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
Simple and straightforward, truly excellent software. If you have any questions, you can chat directly on the website; Arbnor was online within a minute and was able to answer my question quickly.
Valdrin Dalipi
I have never filed my taxes as easily or as cleverly as I have with iqtax. Just drag and drop your documents and let the AI do the work. A brilliant tool—I’ll be using it for all my tax returns from now on.
Kamil Demirci
I have never filed my taxes as easily or as cleverly as I have with iqtax. Just drag and drop your documents and let the AI do the work. A brilliant tool—I’ll be using it for all my tax returns from now on.
Kamil Demirci
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
An absolute game changer! I’ll be using iqtax for all my tax returns from now on. It saved me so much time and effort.
Niko Margraf
I have never filed my taxes as easily or as cleverly as I have with iqtax. Just drag and drop your documents and let the AI do the work. A brilliant tool—I’ll be using it for all my tax returns from now on.
Kamil Demirci
Simple, fast, and a real time-saver. The support team also responded quickly to a specific question and was able to help me.
Niko Freris
Amazing service! Highly recommended. The Swiss tax nuances aren't that straight forward... so definitely worth spending the money on this service. Thank you to Arbnor and team!
Querisha Southon
Simple and straightforward, truly excellent software. If you have any questions, you can chat directly on the website; Arbnor was online within a minute and was able to answer my question quickly.
Valdrin Dalipi
Our blog
Product Updates
,PostFinance and iqtax launch TaxOptimizer
The new AI platform "TaxOptimizer" simplifies the process of filing your tax return, reducing the time required to just 5 to 20 minutes. As a distribution partner, PostFinance is offering this product from iqtax as part of a pilot project in the Canton of Zurich.
iqtax
Save taxes
,Properties
,Imputed Rental Value Abolished: 3 Tax Tips for Condominium Owners Before 2029
The imputed rental value will be abolished on 1 January 2029. Learn how condominium owners can still optimise taxes through renewal funds, renovations and careful documentation.
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Arbnor Jashari
CEO & Swiss Certified Fiduciary Expert
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 iqtax mobile app 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
