St. Gallen Tax Return – Filed for You by Taxright

  • Maximum deductions on your canton St. Gallen tax return
  • Simple, fully digital process. You're done in 6 minutes – we handle the rest
  • Trusted by 2'000+ clients across 12 cantons every year

Tax Return St. Gallen – How much tax will I pay?

Your effective burden depends heavily on your municipality: as the largest canton in eastern Switzerland, with 75 municipalities across eight electoral districts, canton St. Gallen has a noticeable range of tax multipliers.

Net income (9000 St. Gallen)Total taxMarginal tax rate
CHF 80’000CHF 13’96728.3%
CHF 120’000CHF 25’88431.7%
CHF 200’000CHF 52’81336.1%

Source: TaxWare. Net income after all tax deductions. Single person, no children, no religious affiliation, including federal, cantonal and communal tax. The rate shown is the marginal tax rate (the rate on your next franc earned), not the average effective rate. Your actual tax load depends on municipality and deductions — we check that individually.

Tax Return St. Gallen Deductions

Every canton has its own quirks around tax deductions — here are a few important ones for canton St. Gallen.

Third-party childcare CHF 26'700 per child
Commuting costs CHF 8'000 per year
Further education CHF 13'000 per year

Tax Return St. Gallen: Deadlines

The 2026 tax return must be filed in canton St. Gallen by 31 March 2027. Since 2026 there is no more desktop software — filing runs exclusively through the modern web application E-Tax SG.

Filing extension

A filing extension can be requested easily online via the cantonal tax portal, up to 31 December at the latest. If you hire us, we can take care of the extension for you.

Taxes Canton St. Gallen
  • approx. 544k Residents
  • 75 Municipalities
  • 31 March Filing deadline
  • E-Tax SG Submission

What makes canton St. Gallen different

Largest canton in eastern Switzerland

With around 544,000 residents, St. Gallen is the most populous canton in eastern Switzerland, divided into 75 municipalities across eight electoral districts.

Web-only since 2026: E-Tax SG

Unlike before, there's no more downloadable desktop software — E-Tax SG runs entirely in the browser. We file directly through the official channel for you.

Highest childcare deduction of any canton we serve

At CHF 26'700 per child, St. Gallen allows the highest third-party childcare deduction of all 12 cantons we serve — relevant for families using outside childcare.

At a glance

Your tax advisors for your St. Gallen tax return

Max. deductions guaranteed

We maximize your deductions across 12 Swiss cantons.

10+ years Swiss tax experience

Over a decade of successfully handling the most complex tax cases.

Simple digital tax process

Our digital process guides you step by step — no printing, no office visits. Fully online.

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We protect your most sensitive data

Tax returns include sensible data. We keep that data secure, private, and never sell it to third parties — aligned with Swiss nDSG & GDPR standards.

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Trusted by expats across Switzerland

We handle foreign income, international assets, and complex cross-border tax situations with ease.

What our clients say

170+ clients have rated us 5 stars on Google.

„They took all the work off our hands. Always reachable, and they call back even on short notice. Once I submitted my documents, I didn't have to do anything else.“

A. Garten

„Very professional and competent advice. I'm very happy with the fast, uncomplicated service. I'd recommend them to any business owner.“

S. Schrader

„Happy for years now! Friendly service, and my requests were always handled successfully. Switching to Taxright was one of the best decisions for my company.“

Caterina M.

„I handed my taxes over to Taxright and within a few days everything was done. The tax return was filed directly with the tax office. Truly a 5-star service.“

A. Rodrigues

„After I submitted all my documents digitally, I got a call letting me know everything had gone through. About 10 days later I received an email with the outcome. I'm absolutely thrilled!“

Sandra G.

„I found Taxright on Google and can only recommend them. Incredibly friendly and professional service. Fast, reliable, and always reachable.“

S. Moas

Tax returns in other cantons

Taxright serves clients in 12 cantons. Pick your canton for the right deadlines, deductions and tax calculations.

Everything in one clear dashboard

Track every tax year, upload your documents and message your tax expert — all from one place, on any device.

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Common questions about filing taxes in canton St. Gallen

For tax year 2026 it is 31 March 2027. An extension is available online until end of December at the latest.
Not since 2026 — E-Tax SG runs exclusively as a web application. If you hire us, we handle the electronic submission entirely for you.
Our packages start at CHF 129 for individuals. You see the exact price upfront in our price calculator — no hidden costs.
Yes. Across 75 municipalities and eight electoral districts, communal tax multipliers vary noticeably. Deductions and the filing process remain uniform across the canton.