Guy is an award-winning film composer whose outstanding body of work includes over 40 feature films, flagship television series and collaborations with multi-platinum selling artists.

Guy's recent and most notable works include That Good Night, starring John Hurt and Charles Dance; additional music with Hans Zimmer on Netflix The Crown; Anthropoid (nominated for best music in the 2017 Evening Standard Film Awards) directed by Sean Ellis and starring Jamie Dornan; Friedrich Moser's award-winning documentary feature A Good American (nominated for best film score at the 2017 Austrian Film Awards); Bear Grylls' sold out 2016 arena tour, Endeavour; and Academy Award winning Peter Fudakowski's film of Joseph Conrad's Secret Sharer.

In addition to The Crown, Guy's television scores include BBC's Planet Earth series Growing Up Wild and Nature's Miracle Orphans; the multi-award winning feature documentary Faberge: A Life Of Its Own; and History Channel's South Africa: A Miracle Rising. Guy also arranged and produced channel Four's multi-award winning We Are The Superhumans for the 2016 Paralympics and produced music for both seasons of the series True Justice for Voltage Pictures.

Guy has also achieved great success collaborating with artists and producers, producing and arranging music for the likes of Emeli Sande, Eliza Doolittle, Paloma Faith, Amy Winehouse, Tokio Myers, Petite Meller, Fiona Bevan, Mica Paris and Stephen Fretwell.