Katja Stiefenhöfer

IRIS Frankfurt GmbH provides business and economic services. The private company is based in Frankfurt, Germany. The CEOs are Tugdual Millet, Katja Stiefenhöfer, Sebastian Koch. The German company was founded in 2010.

IRIS Berlin GmbH provides business and economic services. The private company is based in Berlin, Germany. The CEOs are Rainer Langenhorst, Tugdual Millet, Katja Stiefenhöfer. The German company was founded in 2010.

Part of Covivio SA, Immeo Wohnen Service GmbH is a German company that owns and manages real estate properties. The company is based in Essen, Germany. The company was founded in 2005. Immeo Wohnen Service was acquired by Foncière Développement Logements - FDL SA, a subsidiary of Covivio SA from Morgan Stanley on October 05, 2006.

Covivio Remscheid Verwaltungs GmbH provides management services. The private company is based in Essen, Germany. The German company was founded in 2001. Katja Stiefenhöfer has been the CEO of the company since 2022.

Founded in 2020, Covivio Office I GmbH is a German residential real estate management company. The company is based in Frankfurt, Germany and is a part of Covivio SA.