Private company

Drillisch Online GmbH

Drillisch Online GmbH is a German mobile telecommunications company and subsidiary of 1&1 AG based in Frankfurt.1

Last updated Oct 20, 2026.

Overview

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Corporate structure

Drillisch Online GmbH is part of a group headed by United Internet. 21 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • United Internet Montabaur, Germany
    • 1&1 AG 73.29% · Montabaur, Germany
      • Drillisch Online GmbH Frankfurt, Germany
      • 1&1 Telecommunication SE Subsidiary · Montabaur, Germany
      • yourfone Subsidiary · Maintal, Germany
      • 1&1 Telecom GmbH Subsidiary · Germany
    • Ionos Montabaur, Germany
      • GMX Subsidiary
      • InterNetX Subsidiary · Regensburg, Germany
      • web.de Subsidiary · Germany
    • united-domains AG Starnberg, Germany
    • 1&1 Versatel Subsidiary · Düsseldorf, Germany
    • Arsys Subsidiary · Logroño, Spain
    • Fasthosts Subsidiary · Gloucester
    • Schlund+Partner Subsidiary · Karlsruhe, Germany
    • Sedo Subsidiary · Köln, Germany
    • Strato GmbH Subsidiary · Berlin, Germany
    • IONOS Group SE Subsidiary · Montabaur, Germany
      • Cronon GmbH Subsidiary · Berlin, Germany
    • United Internet Investments Holding AG & Co. KG Subsidiary · Montabaur, Germany

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1