Heyday Films

Heyday Films Ltd. is a British film studio founded on 10 October 1996 by producer David Heyman in London, England, and currently headquartered in Borehamwood, Hertfordshire.

Its first feature film production was Ravenous, directed by Antonia Bird. It is the producer of the Harry Potter film series, based on the novels by J. K. Rowling, beginning with Harry Potter and the Philosopher's Stone in 2001.