How many movies have Pietari Koskinen and Sami Keski-Vähälä collaborated on?

They have worked on 6 movies together! Their first movie together was Unna and Nuuk (2006) while their highest rated movie together was Jill and Joy (2014). They have not worked together since Jill, Joy and the Sleeping Clock (2018). They are most known for their family films together.