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. From CHF 39 per return.
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. From CHF 39 per return.
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.
Insights are generated from your uploaded documents and are not professional tax advice. Always verify before filing.
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.
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.
How it works
Drag in your salary statement (Lohnausweis), bank statements, insurance premiums, pension certificates, and more. TaxWize reads and extracts every relevant field automatically.
See every extracted value organized by category. Correct anything that needs adjusting, add missing information, and answer a few follow-up questions about your situation.
TaxWize computes your taxes at every level, applies every deduction, and produces a transfer checklist for the cantonal portal. Personalized insights highlight what to double-check.
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. Not satisfied? Full refund, no questions asked.
Filing deadline: 30 September 2026
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.
Zürich (ZH) and Aargau (AG), covering all municipalities in both cantons. Support for Bern, Luzern, St. Gallen, and other German-speaking cantons is planned. 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 (BVG), Pillar 3a confirmations, health insurance premiums, mortgage documents, property valuations, donation receipts, childcare cost confirmations, education invoices, and professional expense receipts.
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 exclusively in Zürich, Switzerland, on Swiss cloud 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, and they are permanently removed. TaxWize is GDPR compliant.
TaxWize currently focuses on employed individuals and families. Self-employment income, rental properties (beyond owner-occupied), international tax situations, farming and forestry income, and capital gains from securities 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 a 14-day money-back guarantee. If you are not satisfied, visit our contact page and submit a refund request. We process refunds promptly, no questions asked.
You can delete your declaration and all associated documents at any time from your account settings. Deletion is immediate and permanent. Once deleted, your data cannot be recovered.
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 tax year · unlimited edits · 14-day guarantee
Extension deadline: 30 September 2026. Start preparing now.