Llion spent 10 years at the BBC, producing and directing documentary films for BBC channels 1, 2, 4 before working as a freelance director. His films have won awards in France, Canada, Switzerland and a Royal Television Society Award. Llion was a commissioner for Factual Content and Sport at UK PBS S4C in 2012-16, and Head of Content Distribution and member of the management team and the S4C Authority 2016-19. Cwmni Da has produced content for BBC, C4, S4C and has enjoyed success in the international co-production marketplace. The latest series, , was broadcast on CGTN. Cwmni Da has won numerous Bafta Cymru & Celtic Media and New York Festivals awards, several ‘One-World media’ prizes, and the ‘Jules Verne Adventure’ award and silver award at Shenzen 2019. The company has also been nominated for Bafta Children UK and RTS awards. The company’s national and international productions include factual, children’s, comedy, entertainment, drama, events, and sport programmes.