ALDI Einkauf GmbH & Co. oHG, doing business as  ALDI, short for "Albrecht Discount", is a discount supermarket chain based in Germany. The chain is made up of two separate groups, ALDI Nord (North - operating as ALDI MARKT), headquartered in Essen, and ALDI Süd (South - operating as Aldi Süd), headquartered in Mülheim an der Ruhr, which operate independently from each other within specific market boundaries. The individual groups were originally owned and managed by brothers Karl Albrecht and Theo Albrecht; Karl has since retired and is Germany's richest man. Theo was Germany's second richest man until his death in July 2010. Aldi's German operations currently consist of Aldi Nord's 35 individual regional companies with about 2,500 stores in western, northern, and eastern Germany, and Aldi Süd's 31 regional companies with 1,600 stores in western and southern Germany. Internationally, Aldi Nord operates in Denmark, France, the Benelux countries, the Iberian peninsula and Poland, while Aldi Süd operates in countries including the Ireland, the United Kingdom, Hungary, Greece, Switzerland, Austria, Slovenia (operating as Hofer in Austria and Slovenia) and Australia. In the United States; Aldi is the parent company of the Trader Joe's niche food stores, while Aldi Süd operates the main Aldi stores in the country.

According to a survey conducted in 2002 by the German market research institute Forsa, 95% of blue-collar workers, 88% of white-collar workers, 84% of public servants and 80% of self-employed Germans shop at Aldi. One of Aldi's direct competitors, both nationally and internationally, is Lidl.

The Aldi Graduate Scheme:

Hello needle. Meet the haystack. We're only looking for outstanding individuals for the Aldi Management Programme. The problem is, every year, we receive about 12,000 CVs from eager applicants all thinking they've got what it takes to secure their own place on this award-winning scheme. You'll really need to be brighter, sharper and more self-assured to stand out. And you'll also be able to show extraordinary levels of drive, determination and entrepreneurial zeal.