AdvertisementWhy Some Wineries Are Becoming 'Certified B Corp' — And What That MeansMay 13, 2019Shana ClarkefacebookEmailCharles Brain helps hand harvest grapes in a Shiraz vineyard in the Swartland wine region of South Africa. Lubanzi Wines, which was started by Brain and his partner, Walker Brown, earned its B Corp certification this year. (Courtesy of Lubanzi Wines)