Sion Trefor is a composer, performer and producer based in the UK, where he runs a full-service production and recording studio in Cardiff. One of the foremost composers in Wales, Sion is renowned as a virtuoso pianist, concert-level multi-instrumentalist and producer, a one man powerhouse of composition, performance and production in all idioms from classical to cutting edge electronica.

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Sion has composed for major clients like Netflix, BBC, Google, Rolex, Aston Martin, Comedy Central, Saatchi & Saatchi and many others. He has just wrapped up his score for two productions by the British Film Institute, and has been confirmed for an upcoming 6-part series produced by Sky for a global release in 2022. 

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Let us know what you're working on, and Sion will produce bespoke sample compositions for any stage of your production to aid your process with a very fast turnaround - whether you're at the concept brief stage or have a rough cut ready for scoring. Get in touch, we look forward to hearing from you.