FINNISH COMPANIES (OY)
All Finnish limited companies (osakeyhtiö) are required to submit annual financial statements (tilinpäätös) to the Finnish Patent and Registration Office (PRH) and an income tax return (veroilmoitus) to the Finnish Tax Administration (Verohallinto) within 4 months after the end of the financial year.
FOREIGN COMPANIES
All foreign companies registered in Finland must submit an income tax return or other necessary reports to the Finnish Tax Administration (Verohallinto) within the deadlines set for the financial year.