Williams creates enormous abstract paintings from The Old Bakery Studios in Truro. As a designer in the film industry, in 2016 he was part of the BAFTA award-winning special effects team on Star Wars : The Force Awakens. During the same year, his work was selected to be shown at the John Moores Painting Prize at Liverpool's Walker Art Gallery.

Williams' bold, striking canvases, employing gestural, sweeping strokes, are on show at the Penwith Gallery in St Ives in April 2017 - a group exhibition he has curated himself.

He is a tutor at the Newlyn School of Art (2017).