Your tax return with CLARK
Reduce your tax burden
- Benefit from every deduction you’re entitled to
- Personalised optimisation for your life situation
- Done digitally, securely and by trusted experts
- Benefit from every deduction you’re entitled to
- Personalised optimisation for your life situation
- Done digitally, securely and by trusted experts
Over 20,000 satisfied tax clients in Switzerland
How to get the most out of your tax return
- 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 you should have your tax return optimised
We all have to pay taxes – but not more than necessary.
Our CLARK tax experts know exactly where to find savings potential: from commuter deductions and insurance premiums to family allowances.
With expertise across all Swiss cantons, we make sure you get the maximum out of your tax return – correctly, securely and transparently.
Your CLARK Tax Optimisation Package
As a new customer, you benefit from a complete service package starting from CHF 99, that not only saves time, but also real money. Our 40+ tax professionals across Switzerland know all the cantonal differences – and ensure you take advantage of every possible deduction.
Individual & optimised
- Tailor-made calculation of your deductions
- Consideration of your personal life situation
- Review of all tax advantages
Compliant & up to date
- Application of the latest cantonal tax regulations
- Correct submission and extension of deadlines if needed
- Thorough review before filing
Efficient & transparent
- Minimal effort required from you
- Digital upload instead of paperwork
- Clear overview of all deduction opportunities
Get more back – pay less
Our CLARK tax experts know every deduction, allowance and cantonal detail.
They check each item carefully so you don’t miss out on any money – whether you’re employed, self-employed or working abroad.
Best of all: everything is handled digitally, securely and transparently
Smart tax optimisation made simple
Our experts know every cantonal nuance.
Whether you live in Zurich, Basel or Ticino – we know which deductions apply where and how to get the most out of your tax return.
Online instead of paperwork
Answer a few simple questions, upload your documents, and our experts will handle the rest – quickly, securely and tax-optimised.
Optimised for your place of residence
Our specialists know your cantonal tax rules in detail.
This ensures that no deductions are missed – whether you commute, have moved, or have special expenses.
Experts who understand your situation
If you have questions about your deductions, deadlines or optimisation options, our tax specialists are available by phone or email – competent, direct and reliable.
Next steps
- Enter your contact details – completely non-binding.
- Book your consultation & submit your tax documents.
- The CLARK experts take care of the rest & get back to you.
What our clients say
Over 20,000 people in Switzerland trust CLARK – for lower taxes and less hassle.
Have questions? We’ve got the answers.
What does the CLARK service cost?
The base price for new customers starts from CHF 99.– (depending on canton and complexity). You receive a complete tax return including review, deadline extension and verification of assessment.
How do I submit my documents?
Easily online – upload your documents securely through our client portal.
How does CLARK help reduce my tax burden?
Answer 3: Our experts review all possible deductions – from commuting and insurance to education costs – and tailor your tax return individually.
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.
Get more out of your tax return
Our CLARK experts analyse your situation individually and make sure you don’t miss out on any deductions.
Start for free now and maximise your tax savings.