How many movies have Bertram Strauß and Roxana Samadi collaborated on?

They have worked on 3 movies together! Their first movie together was Pettson and Findus: A Little Nuisance, a Great Friendship (2014) and was their highest rated movie together. They have not worked together since Pettson and Findus: Findus Moves House (2018). They are most known for their animation films together.