How many movies have Glen Gathard and James Mather collaborated on?

They have worked on 7 movies together! Their first movie together was Harry Potter and the Half-Blood Prince (2009) while their highest rated movie together was Harry Potter and the Deathly Hallows: Part 2 (2011). They have not worked together since Mission: Impossible - Fallout (2018). They are most known for their adventure films together.