Markus Wiedenmann

Art-Invest Real Estate Management GmbH & Co. KG provides real estate management services. It invests in office, hotel and retail properties with value-added potential in good locations of major cities. The company was founded by Rüdiger von Stengel in 2010 and is headquartered in Cologne, Germany.

Art-Invest Real Estate GmbH & Co KG engages in the acquisition, construction, and sale of land and rights equivalent to real property, as well as other related activities. The company was founded on June 23, 2010 and is headquartered in Cologne, Germany.

HORUS Development GmbH provides construction services. The company is based in Poecking, Germany. The CEOs are Friedrich Ferdinand Spies, Markus Wiedenmann, Ulrich O. Fischer. The German company was founded in 2012.

AIRE Domstraße Verwaltungs GmbH is a German company that provides real estate buying and selling services. The company is based in Hamburg, Germany. The private company was founded in 2012, and the CEOs are Ferdinand Spies and Markus Wiedenmann.

Wiedenmann Vermögensverwaltung GmbH is an investment services company based in Cologne, Germany. The German company provides investment services. The CEO of the private company is Markus Wiedenmann.

mainCubes One GmbH is a German company that provides secure digital services such as IoT, cybersecurity, connectivity, and cloud services to customers and partners worldwide through its secureexchange® digital platform. The company is part of the German construction conglomerate Zech Group and has data centers in Frankfurt and Amsterdam, as well as a network of high-availability data centers in Germany. The company is based in Frankfurt, Germany, and has subsidiaries in Germany. The company's state-of-the-art data centers offer colocation services and secure ecosystems for customers across various industries. The company has partnered with several companies, including CDN77, RTB House, Circle B, Leitzcloud, and Spike Reply. The company was founded in 2012, and the CEOs are Markus Wiedenmann and Oliver Menzel.

Art-Invest BCC Objekt GmbH & Co. KG manages real estate properties. The private company is based in Monheim am Rhein, Germany. The CEOs are Andreas Stolz, Rüdiger Freiherr von Stengel, Markus Wiedenmann. The German company was founded in 2017.

AIRE Enggasse Verwaltungs GmbH manages real estate properties. The private company is based in Cologne, Germany. The CEOs of the German company are Arne Hilbert, Ferdinand Spies, Markus Wiedenmann.

AIRE Berlin Koppenstraße Verwaltungs GmbH is a private company based in Cologne, Germany. The CEOs of the German company are Markus Wiedenmann, Ferdinand Spies. AIRE Berlin Koppenstraße Verwaltungs GmbH provides business support services.