Castellum is one of Sweden’s largest real estate companies. Castellum is also one of Sweden’s most prominent property-developers and one of the country’s largest real estate companies listed on the stock exchange – every day 250,000 people go to work in our buildings. The real estate portfolio is owned and managed under the Castellum brand through a decentralized organization with strong and clear local presence in 20 cities in Sweden and also in Copenhagen and Helsinki. We serve our customers at close range, backed by the resources of a major corporation. We manage 683 commercial properties for business and public services purposes, and we are driven by our passion for sustainability and innovation. All at low risk.