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This Guide is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for your personal facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.
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Tax year period
1 January – 31 December (calendar year)Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 1 – lower limit tax
€0 on income €0–€21,200Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 1 – rate on excess
12.64% on income €0–€21,200Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 2 – lower limit tax
€2,679.68 on income €21,200–€31,500Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 2 – rate on excess
19.00% on income €21,200–€31,500Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 3 – lower limit tax
€4,636.68 on income €31,500–€52,100Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 3 – rate on excess
30.25% on income €31,500–€52,100Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 4 – lower limit tax
€10,868.18 on income €52,100–€88,200Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 4 – rate on excess
34.00% on income €52,100–€88,200Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 5 – lower limit tax
€23,142.18 on income €88,200–€150,000Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 5 – rate on excess
41.75% on income €88,200–€150,000Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 6 – lower limit tax
€48,943.68 on income above €150,000Income Tax Act (tuloverolaki 1535/1992)
State tax bracket 6 – rate on excess
44.25% on income above €150,000Income Tax Act (tuloverolaki 1535/1992)
Solidarity tax component included in top bracket rate
2 percentage points on income above €150,000Income Tax Act (tuloverolaki 1535/1992)
Municipal tax rate – minimum (mainland Finland 2025)
4.73%Income Tax Act (tuloverolaki 1535/1992); Municipal Tax Act
Municipal tax rate – maximum (mainland Finland 2025)
10.86%Income Tax Act (tuloverolaki 1535/1992); Municipal Tax Act
Municipal tax rate – approximate average (2025)
~7.5%Income Tax Act (tuloverolaki 1535/1992); Municipal Tax Act
Church tax rate – minimum
~1.0%Income Tax Act (tuloverolaki 1535/1992)
Church tax rate – maximum
~2.2%Income Tax Act (tuloverolaki 1535/1992)
Capital income tax rate – lower band (€0–€30,000)
30%Income Tax Act (tuloverolaki 1535/1992)
Capital income tax rate – upper band (above €30,000)
34%Income Tax Act (tuloverolaki 1535/1992)
Capital income tax band threshold
€30,000Income Tax Act (tuloverolaki 1535/1992)
Medical care contribution rate
0.51% of all earned incomeHealth Insurance Act (sairausvakuutuslaki 1224/2004)
Daily allowance contribution rate – employee
0.88% of earned income ≥€17,255/yearHealth Insurance Act (sairausvakuutuslaki 1224/2004)
Daily allowance contribution rate – self-employed (standard)
1.11% of earned income ≥€17,255/yearHealth Insurance Act (sairausvakuutuslaki 1224/2004)
Daily allowance contribution rate – self-employed (low income, below threshold)
0.23% of earned income <€17,255/yearHealth Insurance Act (sairausvakuutuslaki 1224/2004)
Daily allowance contribution income threshold
€17,255/yearHealth Insurance Act (sairausvakuutuslaki 1224/2004)
Capital income portion – statutory default rate
20% of net assets of the business at end of prior yearIncome Tax Act (tuloverolaki 1535/1992) §38
Capital income portion – elective lower rate option 1
10% of net assets (taxpayer election)Income Tax Act (tuloverolaki 1535/1992) §38
Capital income portion – elective lower rate option 2
0% of net assets (taxpayer election)Income Tax Act (tuloverolaki 1535/1992) §38
Työtulovähennys (earned income deduction) – maximum (2025)
~€2,140Income Tax Act (tuloverolaki 1535/1992) §125
Perusvähennys (basic deduction, municipal tax) – maximum (2025)
~€3,870Income Tax Act (tuloverolaki 1535/1992) §106
Home office deduction – primary workplace (fixed)
€940/yearIncome Tax Act (tuloverolaki 1535/1992) §29–§31
Home office deduction – secondary workplace (fixed)
€470/yearIncome Tax Act (tuloverolaki 1535/1992) §29–§31
Per diem – full day (domestic, >10 hours away) (2025)
€51Verohallinto annual decision on tax-free reimbursements (päätös verovapaista matkakustannusten korvauksista)
Per diem – partial day (domestic, >6 hours away) (2025)
€24Verohallinto annual decision on tax-free reimbursements (päätös verovapaista matkakustannusten korvauksista)
Kilometre allowance – own car on business trips (2025)
€0.30/kmVerohallinto annual decision on tax-free reimbursements (päätös verovapaista matkakustannusten korvauksista)
Representation/entertainment – deductible portion
50% deductible (food and beverages for client entertainment)Business Income Tax Act (EVL 360/1968) §8
Depreciation – machinery/equipment (max rate)
25% declining balanceBusiness Income Tax Act (EVL 360/1968)
Depreciation – IT equipment (max rate)
25% declining balanceBusiness Income Tax Act (EVL 360/1968)
Depreciation – furniture (max rate)
25% declining balanceBusiness Income Tax Act (EVL 360/1968)
Depreciation – buildings (max rate)
4–7% straight-lineBusiness Income Tax Act (EVL 360/1968)
Self-employed filing deadline
1 April of the following year (from 2025 onwards)Verohallinto annual announcement
Employee filing deadline (2025)
Mid-April; dates: 15 April, 22 April, or 29 April 2025 (varies by taxpayer)Verohallinto annual announcement
Record retention period
6 yearsAct on Tax Prepayments (ennakkoperintälaki 1118/1996); Verohallinto guidelines
Late filing surcharge – base amount
€50Act on Assessment Procedure (laki verotusmenettelystä 1558/1995)
Late filing surcharge – percentage component
2% of tax dueAct on Assessment Procedure (laki verotusmenettelystä 1558/1995)
Failure to file – penalty
Estimated assessment (arvioverotus) + penalty up to 30% of added taxAct on Assessment Procedure (laki verotusmenettelystä 1558/1995)
Late payment of residual tax – interest rate formula
Base rate + 7 percentage points (Vero publishes annually)Act on Tax Collection (laki veronkannosta 769/2016)
Tax increase – negligent error
2–10% of additional taxAct on Assessment Procedure (laki verotusmenettelystä 1558/1995)
Tax increase – intentional error
10–40% of additional taxAct on Assessment Procedure (laki verotusmenettelystä 1558/1995)
Flat withholding rate on employment income – non-residents
35%Act on the Taxation of Non-Residents' Income (laki rajoitetusti verovelvollisen tulon verottamisesta 627/1978)
Section 1 -- Quick Reference
| Field | Value |
|---|---|
| Country | Finland (Republic of Finland / Suomen tasavalta) |
| Tax | Income Tax (tulovero) |
| Currency | EUR only |
| Tax year | Calendar year (1 January -- 31 December) |
| Primary legislation | Income Tax Act (tuloverolaki 1535/1992); Act on Tax Prepayments (ennakkoperintälaki 1118/1996) |
| Supporting legislation | Business Income Tax Act (laki elinkeinotulon verottamisesta 360/1968); Municipal Tax Act |
| Tax authority | Finnish Tax Administration (Verohallinto / Vero) |
| Filing portal | OmaVero (https://www.vero.fi/omavero) |
| Filing deadline | Self-employed: 1 April of the following year; Employees: mid-April (dates vary, e.g. 15 April, 22 April, 29 April 2025) |
| Validated by | Pending -- requires sign-off by a Finnish KHT/HT auditor or tax adviser |
| Validation date | Pending |
| Skill version | 1.0 |
Earned Income -- State Tax Brackets (2025)
| Taxable Earned Income (EUR) | Tax at Lower Limit | Rate on Excess |
|---|---|---|
| 0 -- 21,200 | €0 | 12.64% |
| 21,200 -- 31,500 | €2,679.68 | 19.00% |
| 31,500 -- 52,100 | €4,636.68 | 30.25% |
| 52,100 -- 88,200 | €10,868.18 | 34.00% |
| 88,200 -- 150,000 | €23,142.18 | 41.75% |
| 150,000+ | €48,943.68 | 44.25% |
Capital Income Tax (pääomatulovero)
| Capital Income (EUR) | Rate |
|---|---|
| 0 -- 30,000 | 30% |
| 30,000+ | 34% |
Health Insurance Contributions (2025)
| Component | Rate | Applies To |
|---|---|---|
| Medical care contribution | 0.51% | All earned income |
| Daily allowance contribution (employee) | 0.88% | Earned income ≥€17,255/year |
| Daily allowance contribution (self-employed) | 1.11% | Earned income ≥€17,255/year |
| Daily allowance (self-employed, low income) | 0.23% | Earned income <€17,255/year |
Conservative Defaults
| Ambiguity | Default |
|---|---|
| Unknown municipality | STOP -- municipal tax rate required |
| Unknown church membership | No church tax |
| Unknown capital income split election | 20% of net assets (statutory default) |
| Unknown business-use % (vehicle, phone, home) | 0% deduction |
| Unknown expense category | Not deductible |
| Unknown VAT registration | Assume not VAT-registered |
Minimum viable -- bank statement for the full tax year, municipality of residence, and confirmation of whether self-employed (elinkeinonharjoittaja) or freelancer (ammatinharjoittaja).
Recommended -- all sales invoices, purchase invoices/receipts, YEL pension insurance payment confirmations, prior year OmaVero tax decision, asset register for business.
Ideal -- complete bookkeeping (single-entry or double-entry), balance sheet if double-entry, prepayment tax (ennakkovero) payment confirmations, travel expense records.
3.1 Earned Income Deductions (from State Tax)
| Deduction | Detail |
|---|---|
| Työtulovähennys (earned income deduction) | Granted automatically on wages/business earned income; max ~€2,140 (2025); phases out at higher income |
| Perusvähennys (basic deduction) | Granted on municipal tax; max ~€3,870 (2025); phases out as income rises |
| YEL pension insurance | Fully deductible from personal taxation |
3.2 Business Deductions (Self-Employed)
| Category | Treatment |
|---|---|
| Office rent (dedicated business premises) | Fully deductible |
| Home office (työhuonevähennys) | Fixed deduction: €940/year if primary workplace; €470/year if secondary; or actual costs pro-rated by area |
| Professional literature, tools | Fully deductible |
| Travel expenses (business trips) | Actual costs or per diem (päiväraha): full day (>10h) €51, partial (>6h) €24 (2025 domestic rates) |
| Kilometre allowance | €0.30/km for own car on business trips (2025) |
| Training and CPD | Deductible if related to current profession |
| Telephone / internet (business portion) | Deductible for documented business use portion |
| Professional memberships | Fully deductible |
| Accounting and legal fees | Fully deductible |
| Marketing, advertising | Fully deductible |
| Bank charges (business account) | Fully deductible |
| Bad debts | Deductible if previously declared as income and irrecoverable |
| Representation / entertainment | 50% deductible (food and beverages for client entertainment) |
| Depreciation | Machinery/equipment: max 25% declining balance; IT equipment: max 25%; Furniture: max 25%; Buildings: 4-7% straight-line |
3.3 Non-Deductible Expenses
| Expense | Reason |
|---|---|
| Personal living costs | Not business-related |
| Fines and penalties | Public policy |
| Income tax itself | Tax on income |
| Commuting (home to permanent workplace) | Personal; separate commuting deduction exists for employees |
| Clothing (unless protective/uniform) | Personal |
| Donations (except to approved universities/research) | Not deductible for self-employed |
Input: Gross business revenue €65,000, allowable expenses €12,000, net business income €53,000. No significant business assets. Municipality: Helsinki (municipal tax 8.50% for 2025). Church member (Evangelical Lutheran, church tax ~1.0%).
Capital income split: Net business assets ~€5,000. Capital income = 20% × €5,000 = €1,000 at 30% = €300. Earned income = €53,000 - €1,000 = €52,000.
State tax on €52,000 earned income: Tax at €31,500 limit = €4,636.68 Excess: (€52,000 - €31,500) × 30.25% = €6,201.25 State tax = €10,837.93
Municipal tax on €52,000: €52,000 × 8.50% = €4,420 (before municipal deductions; actual will be lower after perusvähennys and other deductions).
Health insurance: ~€52,000 × (0.51% + 1.11%) = ~€842.
Capital income tax: €1,000 × 30% = €300.
Approximate total tax: ~€15,000--€16,000 (effective rate ~28-30%).
Input: Investment income €45,000 (dividends, rental, interest).
Tax: First €30,000 at 30% = €9,000. Remaining €15,000 at 34% = €5,100. Total = €14,100.
5.1 Filing
| Item | Detail |
|---|---|
| Self-employed filing deadline | 1 April of the following year (from 2025 onwards) |
| Employee filing deadline | Mid-April (dates vary: 15, 22, or 29 April) |
| Portal | OmaVero (omavero.fi) |
| Pre-populated return | Verohallinto pre-fills income from employers, banks, pension companies |
| Self-employed attachment | Income statement (tuloslaskelma) and balance sheet (tase) if double-entry bookkeeping |
| Record retention | 6 years |
Self-employed persons must pay prepayment tax during the tax year. See the fi-prepayments skill for full details.
5.3 Penalties
| Offence | Penalty |
|---|---|
| Late filing | Late filing surcharge (myöhästymismaksu): €50 base + 2% of tax due (max varies) |
| Failure to file | Estimated assessment (arvioverotus) + penalty up to 30% of added tax |
| Late payment of residual tax | Interest: base rate + 7 percentage points (Vero publishes annually) |
| Negligent error | Tax increase (veronkorotus): 2-10% of additional tax |
| Intentional error | Tax increase: 10-40% of additional tax |
Section 6 -- Interaction with Other Finnish Taxes
| Tax | Interaction |
|---|---|
| VAT (ALV) | Separate system; see Finland VAT skill if applicable. VAT collected is not income; input VAT recovered is not expense. |
| YEL pension insurance | Mandatory for self-employed; deductible from personal income. See fi-yel-social skill. |
| Prepayment tax (ennakkovero) | Not an expense; credit against final liability. See fi-prepayments skill. |
Key Legislation
| Topic | Reference |
|---|---|
| Income tax rates | Income Tax Act (tuloverolaki) 1535/1992 |
| Business income | Business Income Tax Act (EVL) 360/1968 |
| Capital income split | Income Tax Act §38 |
| Deductions | Income Tax Act §29-§31, §93-§95; EVL §7-§18 |
| Prepayments | Prepayment Act (ennakkoperintälaki) 1118/1996 |
| Filing deadlines | Verohallinto annual announcement |
Key Verohallinto Resources
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