Marcus Bartenstein

GSB Gesellschaft zur Sicherung von Bergmannswohnungen mbH engages in the coordination of the interests of the tenants of miners' apartments and housing associations. The company was founded on December 29, 1981 and is headquartered in Essen, Germany.

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, Covivio Holding GmbH is a holding German company that operates subsidiaries engaged in the construction, acquisition, and management of apartments and buildings. The company is based in Essen, Germany. The CEOs of the company are Myriam Despas, Daniel Frey, Tugdual Millet.

Part of Covivio SA, Covivio Quadriga IV GmbH is a German company that engages in buying and selling of land, buildings and flats. The company is based in Oberhausen, Germany. The CEOs are Daniel Frey, Jochen Humpert, Rainer Langenhorst. The company was founded in 2006.

Part of Covivio SA, Covivio Stadthaus GmbH is a German company that creates modern concepts of living by rediscovering spaces and connecting work, travel, and living. The company is based in Essen, Germany. The company develops contemporary office buildings that follow the spirit of the times, with a focus on community and sustainability. The CEOs of the company are Rainer Langenhorst, Jochen Humpert, Daniel Frey.

Covivio Berlin 8 GmbH is a private company that aims to redefine spaces by combining work, travel, and living. The company is based in Berlin, Germany. The German company strives to enhance each of their properties with art and provide comfortable homes for their tenants. The CEOs of the company are Matthias Göbel, Daniel Frey, Jochen Humpert.

Part of Covivio SA, Covivio Wohnungsgesellschaft mbH Dümpen is a real estate development company based in Essen, Germany. The CEOs of the German company are Jochen Humpert, Rainer Langenhorst, Daniel Frey. The company develops real estate properties.

Part of Covivio SA, Covivio Marien-Carré GmbH is a real estate company based in Oberhausen, Germany. The CEOs of the German company are Daniel Frey, Rainer Langenhorst, Jochen Humpert. Covivio Marien-Carré GmbH provides investment and land development services.

Part of Covivio SA, Covivio Zinshäuser Alpha GmbH is a German company that rents and leases residential properties, buildings, and apartments. The company is based in Berlin, Germany. The CEOs are Daniel Frey, Jochen Humpert, Rainer Langenhorst. The company was founded in 2008.

Covivio Tino-Schwierzina-Straße 32 Grundbesitz GmbH is a German company that focuses on creating contemporary concepts of living together by rediscovering spaces and combining work, travel, and living. The private company's management team is experienced and competent, and they strive to provide homes that will still be comfortable in the future. Covivio is based in Berlin, Germany, and the CEOs of the company are Jochen Humpert and Rainer Langenhorst. The company develops office properties that follow the zeitgeist and aim to provide a community-oriented and consistent experience throughout.

Covivio Alexanderplatz GmbH develops modern concepts for living, working, and living in urban environments. Covivio Alexanderplatz is based in Berlin, DE. The German company works with its customers to create contemporary living spaces and urban quarters. Covivio offers apartments, business spaces, and parking spaces for rent in various locations. The private company aims to provide suitable properties for its customers to rent and live well in the future. The CEOs of the company are Matthias Göbel, Daniel Frey, Norman Weichhardt.

Part of RAG-Stiftung, Covivio Gesellschaft für Wohnen Datteln mbH is a real estate company based in Oberhausen, Germany. The CEOs of the German company are Rainer Langenhorst, Jochen Humpert, Daniel Frey. Covivio Gesellschaft für Wohnen Datteln mbH provides real estate services.

Part of Covivio Immobilien SE, Covivio Berlin 67. GmbH is based in Oberhausen, Germany. GmbH is a German company that reimagines spaces, connecting work, travel, and living to develop contemporary ways of coexisting. The company offers a variety of job and internship opportunities, as well as rental options for apartments and parking spaces. The company helps individuals find suitable properties in their locations. Covivio Berlin 67. The company was founded in 2013, and its CEOs are Daniel Frey, Rainer Langenhorst, Jochen Humpert.

IRIS Stuttgart GmbH engages in the acquisition, management, and holding of real estate properties and rights to properties. Its business activities also include the construction, maintenance, commercial use, and leasing of buildings and facilities. The company was founded on January 9, 2009 and is headquartered in Oberhausen, Germany.

IRIS Essen-Bochum GmbH provides business services. The company is based in Oberhausen, Germany. The CEOs are Daniel Frey, Rainer Langenhorst, Tugdual Millet. The German company was founded in 2010.

Part of Cyient Ltd., Covivio Berlin C GmbH provides management and administration services. The company is based in Berlin, Germany. The CEOs of the German company are Armin Hutner, Rainer Langenhorst.