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Your tax return with CLARK

A stress-free tax season – easy, digital & correct

  • Personal support from tax experts
  • Transparent & non-binding
  • Convenient digital process
  • Personal support from tax experts
  • Transparent & non-binding
  • Convenient digital process

Over 20,000 satisfied tax customers in Switzerland

Say goodbye to tax stress

  • Submit your request:
    Complete the form in just 2 minutes – free and without obligation.
  • Book an appointment & upload documents:
    Easily in the client portal.
  • Review & preparation:
    Our experts take care of your entire tax return.
  • Completed tax return:
    We get back to you with your final, reviewed tax return.

Why hand over your tax return to experts?

Every year, the same question: “When will I finally get this done?”
With CLARK, you save time, nerves and avoid unnecessary mistakes. Our experienced tax advisors take care of your complete tax return – from reviewing your documents to submitting them to the tax office.

Our team knows all cantonal specifics and ensures that your deductions are applied correctly and to your best advantage.

Everything included – your CLARK Tax Service Package

As a new customer, you’ll receive a complete service package starting from just CHF 99 – including personal consultation and full digital processing. CLARK works with over 40 qualified professionals across Switzerland, so you benefit from local expertise and top-level accuracy.

Accurate & complete tax return

  • Fully and correctly completed tax return
  • Consideration of your personal life situation
  • Careful review of all data before submission

Up-to-date & compliant

  • Adherence to current legal requirements
  • Inclusion of the latest cantonal regulations
  • On-time submission or deadline extension (if needed)

Efficient & time-saving

  • Minimal effort for you
  • Digital upload instead of paper chaos
  • We make sure you get the most out of your tax return

Accuracy and convenience – the perfect duo for tax season

With CLARK, your tax return becomes simple and worry-free.
Our experts review every detail – ensuring no deductions are missed and no unpleasant surprises occur once your assessment is issued.
All completely digital, transparent and without hidden fees.

Your tax return– easier than ever

No matter which canton you live in – we know the local differences and ensure your tax return is complete and correct. Everything happens digitally, you stay informed at every step and always keep control.

Online instead of paperwork

Answer a few simple questions – we’ll take care of the rest.
Your tax return is processed quickly, and if you have questions, you can reach our experts anytime.

Get your quote now

Your tax return in good hands

Our experts work with the utmost precision – verifying every detail, calculating deductions and completing all forms correctly. So you’re on the safe side – even for complex cases or when moving to another canton.

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Competent support whenever you need it

You can easily reach our specialists by phone or email. Depending on your question, you’ll be connected directly to the right expert – fast, competent and without detours.

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Next steps

Have questions? We’ve got the answers.

What does the CLARK service cost?

The base price for new customers starts at CHF 99 (depending on canton and complexity). You receive a fully completed tax return including review, deadline extension and assessment control.

How do I submit my documents?

Easily online – upload your documents securely through our client portal.

Can I use the service if I work abroad or have moved?

Yes. Our experts understand both cantonal and international regulations – you’re covered even after relocating. Depending on your situation, we’ll connect you with a specialist advisor (e.g. for expats).

How long does the process take?

That depends on the complexity of your finances. Once your documents are submitted, we prepare your tax return as quickly as possible without compromising accuracy.

How can I contact customer support?

Our support team is available via email (info@ch.clark.io) or phone (+41 (0) 61 821 22 33). We’re happy to answer your questions and assist with any concerns.

Which documents do I need for my tax return?

You’ll need income statements, proof of expenses, donation receipts and other tax-relevant documents. We’ll provide you with a checklist to make collecting them easy.

Tax returns without the stress

Our CLARK experts prepare your tax return quickly, accurately and digitally. Try it with no obligation – and enjoy more time for what truly matters.