How many movies have Andrew Ackland-Snow and Felicity Walker collaborated on?

They have worked on 3 movies together! Their first movie together was Harry Potter and the Philosopher's Stone (2001) while their highest rated movie together was Harry Potter and the Prisoner of Azkaban (2004). They have not worked together since Harry Potter and the Prisoner of Azkaban (2004). They are most known for their fantasy films together.