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Public information on the income taxes of corporate taxpayers

Corporate income tax information for 2023 was released on 7 November 2024. The public information on corporate taxpayers is released as open data: Open data

The following data is included in the public information on the income tax assessment of corporate entities and benefits under joint administration:

  • name, municipality of domicile, Business ID
  • taxable income
  • total of tax imposed
  • back taxes
  • tax refund

The content of the information published annually on tax assessment is defined by law. Changes in legislation have affected the contents of the information published over the years.

Name

The name included in the public information is the name under which the corporate entity is registered. Corporate entities’ basic details are recorded in the Business Information System.

Municipality of domicile

In tax assessment, a corporate entity’s municipality of domicile is considered to be the municipality where the entity was located at the end of the year before the tax year. The corporate entity’s domicile is stated in the entity’s articles of association.

Taxable income

The taxable income of corporations and benefits under joint administration is calculated by subtracting the amount of deductible expenses from the amount of all taxable income.

Total of tax imposed

The total of tax imposed means the total amount of taxes that the corporate entity has had to pay. The amount includes corporate income tax along with any late-filing penalty and punitive tax increase and, as of tax year 2013, the public broadcasting tax. In information for tax years up until 2016, refundable corporate interest has been deducted from the total. The Åland Islands media fee is included from tax year 2021 onwards. Taxes paid outside Finland, including taxes paid outside Finland deductible from taxes paid for income from controlled foreign companies, are deducted from the tax imposed in Finland.

For tax year 2017, the information includes late-payment interest with relief but not refund interest. As of the 2018 tax year, the public information no longer includes late-payment interest with relief and refund interest (credit interest). Late-payment interest with relief is imposed on back taxes and additional prepayments. Credit interest is accrued on the amount of tax refund payable to corporate entities and benefits under joint administration.

Exact data on how much tax the corporate entity has paid to a specific municipality is not part of the public information.

Prepayments/withholding in total

The total amount of tax prepayments and withholdings has been public information up until tax year 2022. This amount includes withholdings and supplementary prepayments up until tax year 2017 and corporate tax refunds up until tax year 2015.

Tax refunds and back taxes

If a corporate entity or a benefit under joint administration has paid too much tax in prepayments, it will receive a tax refund. The refund amount does not include refund interest.

If the amount of tax the corporate entity has paid in prepayments is smaller than the final tax, the missing amount must be paid as back taxes. The back taxes do not include late-payment interest with relief.

Public information on regular income tax assessment is published as it was recorded when the tax assessment process was completed. The information is not updated.

Information is published in November following the tax year

Information on income taxes of corporate entities and benefits under joint administration is made available to the public at the beginning of November in the calendar year that follows the tax year. The progress of the corporate entity’s tax assessment process depends on the entity’s accounting period: the tax assessment ends no later than 10 months after the end of the month during which the accounting period ended.

Example: If the accounting period ends on 31 December 2023, the tax assessment process ends on 31 October 2024 at the latest. For most corporate entities, the assessment process ends even earlier. However, the tax information is not published until November, when all corporate entities’ tax assessment has ended for the tax year.

Public information on corporate taxpayers is released as open data

Information on corporate income taxes is published as CSV files on the vero.fi website. This information does not include housing companies, mutual real estate holding companies, and estates of non-resident deceased persons.

Download a list of public information on changes to income tax assessment of corporate taxpayers and benefits under joint administration: Open data

Why does the tax information on some corporate entities show null?

There are various reasons for this, such as:

  • the corporate entity made a loss in the year in question
  • losses from previous years have been subtracted from the corporate entity’s result
  • the corporate entity was not operational in the year in question

Why do some corporate entities have taxable income but no taxes?

The corporate entity may have paid tax to another country. The tax has been credited in Finland and, after that, no income tax remains to be paid.

If a corporate entity has operations in several municipalities, does the public information show how much tax the entity has paid to each of the municipalities?

Corporate entities are listed in the public information under the entity’s municipality of domicile recorded in the trade register. Exact data on how much tax the corporate entity has paid to a specific municipality is not public information.

Which corporate entities and benefits under joint administration are shown in the open data and which are not?

Yes

  • state and state institutions
  • municipalities and joint municipal authorities
  • parishes and other religious communities
  • limited liability companies
  • cooperatives
  • savings banks
  • investment funds
  • universities
  • mutual insurance companies
  • parish granaries
  • non-profit associations or economic associations
  • foundations and institutions
  • jointly owned forests
  • road maintenance associations
  • fishery associations and joint ownership associations
  • other real estate holding companies

No

  • housing companies
  • mutual real estate holding companies
  • estates of non-resident deceased persons

Public information on the above corporate entities can be browsed on tax office workstations.

Why can’t I find a corporate entity in the open data?

The corporate entity’s tax year depends on when its accounting period ends. It is possible that the accounting period of the corporate entity you are looking for has not ended during the tax year in question. This is not unusual if the corporate entity has started operating recently. The accounting period may also have been extended, in which case it does not end until the following year.

Why can’t I find a municipality in the open data?

Municipalities are listed in the order of municipality numbers, so they are not in alphabetical order. You can check the municipality number in the list of municipality numbers

Foreign death estates are taxed as corporate entities

A foreign death estate refers to a situation where a person was a non-resident taxpayer in Finland when they died. According to the act on income tax (Tuloverolaki 1535/1992), foreign estates are treated as corporate entities in tax assessment. The public information contains only the income which Finland has the right to tax.

The following data is included in the public information on foreign death estates:

  • name of the estate
  • deceased person’s year of birth or estate’s Business ID
  • taxable income
  • taxes imposed
  • amount of tax refund
  • amount of back taxes

The content of the information published annually on tax assessment is defined by law. Changes in legislation have affected the contents of the information published over the years.

Total of tax imposed

The total of tax imposed means the total amount of taxes that the corporate entity has had to pay. The amount includes corporate income tax along with late-filing penalty and punitive tax increase and, as of tax year 2013, the public broadcasting tax. In information for tax years up until 2016, refundable corporate interest has been deducted from the total. The Åland Islands media fee is included from tax year 2021 onwards.

For tax year 2017, the information includes late-payment interest with relief but not refund interest. As of the 2018 tax year, the public information no longer includes late-payment interest with relief and refund interest (credit interest). Late-payment interest with relief is imposed on back taxes and additional prepayments. Credit interest is accrued on the amount of tax refund payable to corporate entities and benefits under joint administration.

Prepayments/withholding in total

The total amount of tax prepayments and withholdings has been public information up until tax year 2022. This amount includes withholdings and supplementary prepayments up until tax year 2017 and corporate tax refunds up until tax year 2015.

Public information can be browsed at tax offices and requested by telephone

Read more about how to request public information and how to browse the information using the Julkis software on tax office workstations: How to search the public information on income taxes and real estate taxes

Information on changes to tax assessment is also public information as of 2022

Any adjustments made to income taxes of coporate entities after the end of the tax assessment process are public as of tax year 2022. The changes are published after the 20th day of the month following the adjustment. Public information on changes to assessment of corporate income tax is also released annually as open data on vero.fi. Read more: Public information on changes to assessment of corporate income tax

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Page last updated 1/20/2025