Aargau Tax Return – Filed for You by Taxright
- Maximum deductions on your canton Aargau 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 Aargau – How much tax will I pay?
Your effective burden depends heavily on your municipality. With around 196 municipalities, canton Aargau has by far the most of any canton we serve — so the range of communal tax multipliers is correspondingly wide.
| Net income (5000 Aarau) | Total tax | Marginal tax rate |
|---|---|---|
| CHF 80’000 | CHF 11’404 | 24.8% |
| CHF 120’000 | CHF 21’935 | 28.7% |
| CHF 200’000 | CHF 46’744 | 34.1% |
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 Aargau Deductions
Every canton has its own quirks around tax deductions — here are a few important ones for canton Aargau.
Tax Return Aargau: Deadlines
The 2026 tax return must be filed in canton Aargau by employed taxpayers by 31 March 2027; the self-employed and partners in partnerships have until 30 June 2027. Electronic filing runs through eTax Aargau, which replaced the former EasyTax software.
Filing extension
No separate application is needed for an extension to 30 June in canton Aargau — the QR code on the first page of the tax return leads directly to the online extension request. If you hire us, we can take care of the extension for you.
Cantonal Tax Office Aargau- approx. 736k Residents
- 196 Municipalities
- 31 March Filing deadline
- eTax Aargau Submission
What makes canton Aargau different
By far the most municipalities
Canton Aargau is divided into around 196 municipalities — more than any other canton we serve. That means even moving to the neighbouring municipality can noticeably change your tax bill.
New: eTax Aargau instead of EasyTax
Since the 2025 tax period, electronic filing runs through the new web application eTax Aargau, which replaced the former desktop software EasyTax. We file directly through the new channel for you.
Switzerland's largest industrial canton
Aargau is considered Switzerland's largest industrial canton and is the fourth most populous. For employees and the self-employed with work-related expenses, it's worth taking a close look at the commuting and further-education deductions.
Your tax advisors for your Aargau 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.

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.

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.“
„Very professional and competent advice. I'm very happy with the fast, uncomplicated service. I'd recommend them to any business owner.“
„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.“
„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.“
„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!“
„I found Taxright on Google and can only recommend them. Incredibly friendly and professional service. Fast, reliable, and always reachable.“
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.
- Swiss made app
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- No data selling to 3rd parties
