Source-cited draft: tax overview for Finland (tax year 2025) — rates, thresholds and rules with primary-source citations. Unverified; pending local-accountant review.
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Tax system overview
Finland levies taxes at state, municipal and (for church members) parish level, administered by the Finnish Tax Administration (Verohallinto / Vero). The tax year is the calendar year and the currency is the euro.
Tax year
Calendar year (1 January – 31 December)Act on Assessment Procedure (Laki verotusmenettelystä 1558/1995)
Currency
Euro (EUR, €)Currency Act / euro adoption (Finland is in the euro area)
Tax authority
Finnish Tax Administration (Verohallinto / Vero), vero.fi; e-services via MyTax (OmaVero)Act on the Finnish Tax Administration (Laki Verohallinnosta 503/2010)View source ↗
Basis of taxation
Residents taxed on worldwide income; non-residents taxed only on Finnish-source incomeIncome Tax Act (Tuloverolaki 1535/1992)
Personal income tax structure
Progressive state tax on earned income (12.64%–44.25% in 2025), flat municipal tax (avg ~7.5%), separate flat capital-income tax (30%/34%) ((approx — confirm))Income Tax Act (Tuloverolaki 1535/1992)
Corporate income tax rate
20%Income Tax Act (Tuloverolaki 1535/1992)View source ↗
VAT (arvonlisävero, ALV) standard rate
Yes — standard rate 25.5% in 2025Value Added Tax Act (Arvonlisäverolaki 1501/1993)
Individual return deadline
Pre-completed return corrections due April/early May of the following year (dates such as 1, 14, 21 or 28 April 2026 for tax year 2025) ((approx — confirm exact personal date in MyTax))Act on Assessment Procedure (Laki verotusmenettelystä 1558/1995)
Corporate return deadline
Within 4 months from the end of the month in which the accounting period endsAct on Assessment Procedure (Laki verotusmenettelystä 1558/1995)View source ↗
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