Atrium Ljungberg AB (publ) owns, develops, and manages real estate properties in Sweden. It focuses on developing urban environments that include offices, retail, residential units, culture, healthcare, restaurants, service and education facilities, as well as tenant-owned dwellings. Its property and project portfolios are located in the Stockholm, Uppsala, Gothenburg, and Malmö regions. The company was founded in 1946 and is based in Nacka, Sweden.