Lidl Stiftung & Co. KG, formerly Schwarz Unternehmenstreuhand KG, is a German global discount supermarket chain, based in Neckarsulm, Germany, that operates over 10,000 stores across Europe, and expanded to the United States in 2017. It belongs to the holding company Schwarz Gruppe, which also owns the store chains Handelshof and hypermarket Kaufland. Lidl is the chief competitor of the similar German discount chain Aldi.