Welcome to Grainstone

Grainstone is converting premium brewers' spent grain into valuable, healthy, sustainable ingredients.

Their first product, Premium Brewers Flour is a world-leading environmentally sustainable and nutritionally concentrated specialty flour.

Grainstone uniquely rejuvenates premium barley used in crafting Australia’s best beers to create a wholesome goodness-packed versatile flour you’ll love.

Grainstone is proudly a Certified B-Corporation. They are named in the Forward Fooding top global Foodtech 500 list of 2022 (top 200) and 2021.

Grainstone is working with Australia’s leading research organisations. Our funding is supported by Sustainability Victoria, the Australian Government’s Fight Food Waste CRC, the CSIRO plus more.