Guy has directed TV commercials and films for Coca-Cola, Nike, Sony, Barclays, Intel, Specsavers, Cadbury’s, 20th Century Fox, Gillette, McDonalds, Samsung, Scottish Govt, Taylors Coffee, Mars, Weetabix, MTV, etc through agencies Mother, Ogilvy, Adam&Eve DDB, AMV BBDO, JWT, Leo Burnett, Publicis and others. 
He has directed campaigns for the UK, European, North American and worldwide markets. They have been nominated for awards at the Cannes Lions and One Show Awards in New York and featured by Creative Review, Shots, and been Ad of the Day in Campaign, The Drum and Ad Break in The Guardian.
Guy participated in the Staying Alive Project part of the Global Media Aids Initiative. For the initiative, he created ‘Joy of Non-Sex’, one of 24 spots that were produced worldwide by agencies such as 180 Amsterdam, Cake, Lowe Worldwide, Ogilvy & Mather, Wieden + Kennedy. His film was nominated at that year’s Cannes Lions.
Guy also writes and directs drama and was selected for the Berlinale Talent Campus by the British Council. He directed the Royal Television Society award-winning "Flood". Guy has a feature film in funded development with the Scottish Film Talent Network. 
Guy is represented for Film and TV by Independent Talent.