"Due to the amendment to the act on income tax (Tuloverolaki 1535/1992) that entered into force on 1 January 2021, a foreign organisation whose place of effective management is located in Finland is considered a resident taxpayer in Finland."
https://www.vero.fi/en/businesses-and-c ... ncome_tax/
So no benefits anymore for going through the process of registering your company in a low corporate tax country!