How many movies have Lam Suet and Roy Szeto Wai-Cheuk collaborated on?

They have worked on 6 movies together! Their first movie together was Master Q 2001 (2001) while their highest rated movie together was Septet: The Story of Hong Kong (2022). They have not worked together since Septet: The Story of Hong Kong (2022). They are most known for their comedy films together.