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Mediantis AG

German online book-trade company, founded in 1996 as EBdirekt GmbH and later buecher.de AG, now operating the book search engine eurobuch and formerly the ZVAB antiquarian marketplace.

Last updated September 29, 2026

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Overview

Mediantis AG is a German internet book-trade company. It was founded in 1996 by Richard von Rheinbaben, originally as EBdirekt GmbH and subsequently as buecher.de AG. The company was listed on the Neuer Markt from 1999 to 2001. Between 2001 and 2004 the company was in liquidation (not insolvency) and sold substantial parts of its business for approximately EUR 6 million. In 2004 it resumed normal business operations. Until 2011 Mediantis operated the Zentrales Verzeichnis Antiquarischer Bücher (ZVAB), an internet marketplace for antiquarian booksellers. In spring 2011 the operating ZVAB business was sold, and at the same time the book search engine eurobuch was acquired. The company's official website is mediantisag.de. Beyond its commercial activities, Mediantis AG engages in cultural sponsorship. Since 2011 it has awarded the Phönix Kunstpreis, endowed with EUR 20,000, to emerging artists in the visual arts. The award is linked to an exhibition at the Villa Kustermann in Tutzing. The Phönix Kunstpreis continues the ZVAB-Phönix Kunstpreis, which was awarded through the ZVAB operating business from 2005 to 2010. In 2014 it was awarded for the first time in cooperation with the Evangelische Akademie Tutzing. Recipients have included Dominik Heim (2011), Anija Seedler (2012), Stefan Schiek (2014), Szilard Huszank (2016), Slava Seidel (2018), and Eilike Schlenkhof (2022).

History

Mediantis AG was founded in 1996 by Richard von Rheinbaben, initially under the name EBdirekt GmbH and later as buecher.de AG. The company was listed on the Neuer Markt from 1999 to 2001. From 2001 to 2004 the company was in liquidation (not insolvency) and sold substantial parts of its business for approximately EUR 6 million. In 2004 it resumed normal business operations. Until 2011 Mediantis operated the Zentrales Verzeichnis Antiquarischer Bücher (ZVAB), an internet marketplace for antiquarian booksellers. In spring 2011 the operating ZVAB business was sold, and at the same time the book search engine eurobuch was acquired. Since 2011 the company has awarded the Phönix Kunstpreis, a EUR 20,000 prize for emerging visual artists, as part of its cultural sponsorship. The prize continues the ZVAB-Phönix Kunstpreis, which was awarded through the ZVAB operating business from 2005 to 2010. In 2014 it was awarded for the first time in cooperation with the Evangelische Akademie Tutzing. The award includes an exhibition at the Villa Kustermann in Tutzing. Recipients include Dominik Heim (2011), Anija Seedler (2012), Stefan Schiek (2014), Szilard Huszank (2016), Slava Seidel (2018), and Eilike Schlenkhof (2022).

  • 2014

    Phönix Kunstpreis awarded for the first time in cooperation with the Evangelische Akademie Tutzing.

  • 2011

    Sold the operating ZVAB business and acquired the book search engine eurobuch; began awarding the Phönix Kunstpreis.

  • 2005

    ZVAB-Phönix Kunstpreis awarded through the ZVAB operating business (until 2010).

  • 2004

    Resumed normal business operations after selling substantial business parts for approximately EUR 6 million.

  • 2001

    Entered liquidation (not insolvency); delisted from Neuer Markt.

  • 1999

    Listed on the Neuer Markt.

  • 1996

    Founded by Richard von Rheinbaben as EBdirekt GmbH, later buecher.de AG.

Products and positioning

German internet book-trade company with a focus on antiquarian and used-book search and marketplace services, complemented by cultural sponsorship.

  • ZVAB (Zentrales Verzeichnis Antiquarischer Bücher)

    Internet marketplace for antiquarian booksellers, operated by Mediantis until 2011.

  • eurobuch

    Book search engine acquired in spring 2011.

Sources3 sources

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