OBI Group Holding is a leading European home improvement retailer, established in 1970, that provides a wide range of products and services for DIY enthusiasts and professional builders. The company operates over 660 stores across 10 European countries, offering building materials, tools, garden supplies, and home decor. OBI emphasizes both its extensive brick-and-mortar presence and digital customer engagement through platforms like heyOBI. It is a significant player in the retail sector and is part of the Tengelmann Group.