Swiss Tax Guide
Your comprehensive guide to understanding taxes, deductions, and optimization in Switzerland
AHV/IV/EO and social contributions
Understand mandatory payroll deductions and how they reduce gross salary to net salary.
Pillar 3a deductions
Learn when Pillar 3a contributions reduce taxable income and how this changes net outcomes.
Withholding tax for expats
See how source tax differs from ordinary tax filing depending on permit type and income.
13th salary taxation
Find out how bonus and 13th month salary are reflected in annual tax burden.
Tax guide FAQ
Which deductions have the biggest impact on net salary?
The largest recurring effects usually come from AHV/IV/EO, pension contributions, cantonal taxes, and municipal multipliers.
Does canton of residence matter more than federal tax?
For many income levels, canton and municipality differences are often more significant than the federal component.
Should I optimize taxes before changing jobs or location?
Run scenarios first. Comparing canton outcomes and gross-to-net impact gives a practical baseline before major decisions.