SwissExpatTax

Tax guides for expats in Switzerland: Quellensteuer, Pillar 3a, double taxation treaties and tax returns explained.

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Expat Life Pillar 3a Tax Returns Quellensteuer

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Expat Life · 9 min · 11 ago 2026

Swiss Tax Deadlines 2026: Every Date Expats Need to Know

All Swiss tax deadlines for 2026: Quellensteuer correction, NOV filing, ordinary tax return, Pillar 3a contribution deadline and what happens if you miss them.

Expat Life · 10 min · 10 ago 2026

Double Taxation Agreement Switzerland-Spain: Expat Guide

How the Switzerland-Spain double taxation treaty works: which country taxes your salary, pensions, dividends and rental income, and how to avoid paying twice.

Expat Life · 9 min · 10 ago 2026

Best Swiss Tax Software for Expats 2026: Reviewed

Best tax software for filing Swiss taxes in 2026: official cantonal tools vs Taxfix, Accounto, Taxolution, Poinz and online Treuhänder. Prices and English support compared.

Expat Life · 9 min · 9 ago 2026

C Permit vs B Permit: Tax Differences in Switzerland

How taxes change when you go from B permit to C permit in Switzerland: from Quellensteuer to ordinary tax return, what changes, what stays the same.

Expat Life · 10 min · 9 ago 2026

Moving to Switzerland: What You Need to Know About Taxes

Tax guide for expats moving to Switzerland: when you become tax resident, what you owe in your first year, and how to set up your finances correctly from day one.

Pillar 3a · 8 min · 8 ago 2026

Pillar 3a Contribution Limit and Tax Deduction 2026

Pillar 3a limits for 2026: maximum contribution, tax deduction amount, self-employed vs employed limits, and how to maximize your tax saving.