Working Title Films is a British film production company founded in 1983 known for comedies, dramas, and romantic films. It has offices in the UK and US and produces multiple films simultaneously balancing more commercial films with specialized projects. NBC Universal has backed the company since 2000 helping it survive against large American studios. Notable box office successes include Four Weddings and a Funeral and Notting Hill. The document also summarizes the production and distribution of the Working Title film Tinker Tailor Soldier Spy, based on the novel by John le Carré.