With over 65 years combined experience in the Australian wine industry, Paul Byron and Harold 'Ralph' Dunning joined forces with marketing specialist and vigneron Andrew Lane to create Byron & Harold in 2012.

Byron & Harold is based in the Great Southern region of Western Australia, with a focus on Great Southern's sub regions. These sub regions are chosen for their deep, rich soils and the cooling influence of the Southern Ocean; this fosters long, even ripening and produces fruit with more intense flavours, acidity and better balance. Byron & Harold also source select parcels from dedicated growers in Margaret River.

Byron & Harold's best of vintage Partners range leads, made in a Cabernet Sauvignon, Chardonnay, Pinot Noir and Riesling. The Protocol range follows, the Gravity and Rose & Thorns labels more affordable.