Key Film is a movie production company founded by Keywan Karimi and Kamal Karimi in 2002. The company is based in Tehran and Baneh (city in Kurdistan) which performs both production and post-production activities such as producing and directing films, editing, sound and photography. All of Keywan Karimi's movies, except ''Drum'', which was produced in France, together with Key Film as the line producer have been entirely produced by Key Film in collaboration with various partners. The feature documentary ''Writing on the City'', made in 2015, has been one of the most recently awarded independent films made by the company.