How many movies have Guttorm Petterson and Trond Espen Seim collaborated on?

They have worked on 10 movies together! Their first movie together was Varg Veum - Bitter Flowers (2007) while their highest rated movie together was Varg Veum - Sleeping Beauty (2008). They have not worked together since Varg Veum - Cold Hearts (2012). They are most known for their crime films together.