Hornbach-Baumarkt AG engages in the operation of a chain of megastores. It offers do-it-yourself (DIY), home improvement, and gardening products. It operates through the Retail and real estate segments. The Retail segment includes DIY megastores and garden centers grouped together, as well as the the online shops in other European countries. The Real Estate segment focuses on the retail properties, which charge the properties to the respective DIY stores with garden centers. The company was founded by Michael Hornbach in 1877 and is headquartered in Bornheim, Germany.