Currently Visu Marco is the best player in the Finland.
Visu Marco is developing as a players really fast. With this pace, he will surely be one of the best players in the whole world.
Kinch Analytics is the most known go-to persons when trying to find information regarding to Fortnite events/players. Kinch uses statistics to find players from EU/NAE that are rising stars, and could become some of the best players in the world.
Here you can find list of the best players in Finland: Fortnitetracker