Celador is a UK entertainment company founded in 1981 by Paul Smith and Jasper Carrot. It was originally created to produce the TV show "The Detectives" but later expanded into film production. Celador uses a small budget model, funding films through co-productions with other companies and selling distribution rights. Notable Celador films include Dirty Pretty Things, The Descent, and Slumdog Millionaire. In addition to film, Celador operates UK radio stations and occasional TV shows. Main competitors are Vertigo Films and DNA Films, which also use a low-budget, co-production model. Financial data shows that Celador films like The Descent achieved high profits relative to their small budgets.