Lightbox (production company)Lightbox is a British documentary film and television production company founded by Simon Chinn and.WWW lightboxent.comHistoryLightbox was founded by cousins Simon and in 2014. It is headquartered in both London and Los Angeles. Originally a member of Channel 4's Indie Growth Fund, it bought back its shares and became fully independent in 2021. Later that year, it entered into a co-production partnership with Warner Music Group.