Celador is an independent production company formed in 1983 that is known for producing films like Slumdog Millionaire and the television show Who Wants To Be A Millionaire. Celador operates on a project-by-project basis and funds productions through investments, loans, and selling distribution rights before filming. Though smaller than major competitors like Sony and Film4 Productions, Celador has found success with lower-budget films like The Descent and owns various radio stations and theatrical productions.