Complete filmography
Everything Sion Trefor is credited on. Titles we have reviewed carry their Fi1m score; press Request a review on any other and it goes on our list.
2020s
Effi o Blaenau 2026Original Music Composer
Legends 2026SeriesOriginal Music Composer · 6 epsFi1m 74
Love Me, Hold Me, Always 2025Music
Toxic Town 2025SeriesOriginal Music Composer · 4 epsFi1m 77
London Recruits 2024Music
Say Nothing 2024SeriesOriginal Music Composer · 9 epsFi1m 77
Sally Leapt Out of a Window Last Night 2023Music
Y Sŵn 2023Music
Rough Cut 2022SeriesMusic · 6 eps