Spot the deductions you'd otherwise miss and finish your tax declaration in an evening, not a weekend. Look around first: stored and processed in Switzerland, scoped to your declaration, deletable any time, never used to train AI. Your tax documents only leave your computer once you've decided TaxWize is worth it.
A full weekend of paperwork, reduced to one evening. Every deduction checked.
Built by a regulatory tax specialist with 14+ years in financial services and banking. About →
Salary certificate
Tax year 2025
Zurich ZH, single, tax year 2025
TaxWize reads the figures from your documents and computes your full tax picture: federal, cantonal and municipal. CHF 39 per declaration per tax year.
Tax insights
TaxWize analyzes your uploaded documents with AI and generates a personalized tax insights report: what was found, what may be missing, where you could save, and how to prepare for next year.
Your documents show a contribution of CHF 6'883 to Pillar 3a. Worth checking that the full amount is entered as a deduction. The 2025 limit is CHF 7'258.
Based on the employer address in your salary certificate, a commuting deduction may apply. TaxWize flags it for your review.
Every insight carries its evidence and confidence level, so you always know what is confirmed and what is worth double-checking.
Every section shows its confidence level so you know what is confirmed from your documents and what is worth double-checking.
See what TaxWize finds in your documentsInside TaxWize
Your journey
Six clear stages take you from the first upload to a filing-ready summary. You always see where you are and what remains.
Upload
Add your salary statement, bank and pension statements, insurance premiums and more. TaxWize reads each document and extracts every relevant field for you.
Review
Every extracted value appears organized by category with its source, so you can confirm or correct it at a glance.
Questions
A few focused questions surface deductions that documents alone may miss.
Invoices
Capture the invoices that count, from childcare to further education.
Wealth
Accounts, securities and property come together into one clear picture.
Results
A filing-ready summary with your tax computed at every level, a transfer checklist for the cantonal portal, and personalized insights on what to double-check.
AI, visibly at work
Every value is labeled by how it was derived: read from your documents, inferred from rules, or suggested for review. Nothing is a black box.
Tax comparison
The free comparison tool runs on the same calculation engine as the product. Pick your canton and municipality, enter your income, and get an estimate in seconds.
Try the tax comparisonSample estimate
Single, no children, gross income CHF 96'000, tax year 2025
Zürich ZH
Estimated total tax
CHF 12’137
Aarau AG
Estimated total tax
CHF 12’847
Difference for the same profile, purely by location
CHF 710
As of 05.07.2026, rounded estimates from the live tool
Pricing
The average Swiss taxpayer spends a full weekend on their tax declaration.
Get it done in a fraction of the time. For less than a dinner out.
Complete tax preparation
Per tax year · pay once, edit and recompute as often as you need
No obligation until you need your report. Pay once per tax year.
14-day money-back guarantee, no questions asked.
Extended filing deadline: 30 September 2026 (exact date varies by canton)
Every rule sourced from official cantonal tax guides (Wegleitungen) and federal tax ordinances. Every calculation traceable to a legal reference.
FAQ
Everything you need to know before starting your declaration.
Aargau, Zurich, Lucerne, Solothurn, Bern, Zug and Schwyz, covering all municipalities in every supported canton. More cantons are on the way. Curious how much tax you would pay in a specific municipality? Try the tax comparison tool.
Employed individuals and families with standard to moderately complex tax situations. That includes single filers, married couples, families with children, property owners, and anyone who wants to be well-prepared before filing or before consulting a tax advisor.
Salary statements (Lohnausweis), bank and securities statements, pension certificates, and Pillar 3a confirmations, among others. See all 13 document types on our features page.
TaxWize covers 18 deduction categories including professional expenses, commuting costs, continuing education, Pillar 3a contributions, health insurance premiums, childcare costs, charitable donations, mortgage interest, property maintenance, and more. Both flat-rate and actual-cost options are compared automatically.
Preparation. TaxWize helps you organize your documents, compute your taxes, surface deductions, and produce a structured checklist. You still file through the canton's own portal.
Yes. TaxWize extracts and computes automatically, but your final review is important. We make it easy to check, correct, and supplement any value before generating your report.
No. TaxWize structures your information, computes your taxes, and surfaces insights worth checking. It complements professional tax advice but is not a substitute for it. For complex situations, your preparation from TaxWize can be a useful starting point for your advisor.
Your data is stored in Switzerland on Swiss infrastructure. Documents are processed by automated AI extraction. No human reads your files. Your data is never shared with third parties, sold, or used for advertising. You can delete your declaration and all associated documents at any time. TaxWize complies with the Swiss Federal Act on Data Protection (FADP/nDSG) and the EU GDPR.
TaxWize currently focuses on employed individuals and families. Self-employment income, rental properties (beyond owner-occupied), international tax situations, and farming and forestry income are not yet covered. Support for these situations is on our roadmap.
We are actively expanding to additional German-speaking cantons. Sign up to be notified when your canton becomes available.
TaxWize comes with an unconditional 14-day money-back guarantee, no questions asked. Within 14 days of payment, visit our contact page to request a full refund and we will process it promptly.
You can delete your declaration and all associated documents at any time from your account settings. Deletion removes your data from active systems immediately and purges it from backups within about 30 days. See our security page for the full deletion mechanics.
Visit our contact page to send us a message. Choose a topic (technical issue, billing question, refund request, or general question) and we will respond within 2 business days.
Upload your documents, check every deduction, and prepare for cantonal filing with confidence.
Start your tax preparationCHF 39 per declaration per tax year · unlimited edits
14-day money-back guarantee, no questions asked.
Extended filing deadline: 30 September 2026 (exact date varies by canton)