HORNBACH Holding AG & Co. KGaA engages in the development and utilization of retail real estate properties. It operates through the following business segments: HORNBACH Baumarkt AG, HORNBACH Baustoff Union GmbH, and HORNBACH Immobilien AG. The HORNBACH Baumarkt AG segment focuses on operating DIY megastores with garden centers and online shops. The HORNBACH Baustoff Union GmbH segment includes construction materials and builders' merchant business. The HORNBACH Immobilien AG segment is involved in developing retail real estate. The company was founded by Michael Hornbach in 1877 and is headquartered in Bornheim, Germany.