Private company

Deutsche Telekom MMS

Logo: J.Misterek, CC BY-SA 4.0, via Wikimedia Commons4

German IT service provider

Deutsche Telekom MMS GmbH (Telekom MMS; former T-Systems Multimedia Solutions GmbH (T-Systems MMS)) is a German IT service and IT consulting firm headquartered in Dresden. The company provides consulting and software development services to medium and large organizations and has offices in Berlin, Bonn, Dresden, Hamburg, Stuttgart, Munich, Leipzig and Jena.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1995Founded1
  • HeadquartersDresden1
  • Websitewww.telekom-mms.com
  • Legal formGesellschaft mit beschränkter Haftung1
  • LEI529900CAN0WMFQYQ2B363
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressRiesaer Str. 5, 01129 Dresden, Germany3
  • Registered withLocal Court Dresden, HRB 114333

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Deutsche Telekom MMS GmbH (Telekom MMS; former T-Systems Multimedia Solutions GmbH (T-Systems MMS)) is a German IT service and IT consulting firm headquartered in Dresden. The company provides consulting and software development services to medium and large organizations and has offices in Berlin, Bonn, Dresden, Hamburg, Stuttgart, Munich, Leipzig and Jena.2

Corporate structure

Deutsche Telekom MMS is part of a group headed by Deutsche Telekom. 266 entities, 34 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Deutsche Telekom Bonn, Germany
    • Slovak Telekom 100% · Bratislava, Slovakia
    • T-Mobile Austria 100% · Wien, Austria
    • T-Mobile Czech Republic 100% · Praha 4, Czechia
      • CE Colo Czech s.r.o. Subsidiary · Praha 10, Czechia
    • T-Mobile Polska 100% · Warszawa, Poland
    • T-Systems International GmbH 100% · Bonn, Germany
    • Telekom Deutschland 100% · Bonn, Germany
      • Deutsche Telekom Vertrieb Subsidiary · Germany
    • Telekom (Greece) 48.29% · Marousi, Greece
      • MagentaTV Greece Subsidiary · 100% · Athens
      • OTEGlobe Subsidiary · 100% · Athens
      • Otenet Subsidiary · Athens
      • COSMOTE PAYMENTS - YPIRESIES ILEKTRONIKOU CHRIMATOS ANONYMOS ETAIREIA Subsidiary · Marousi, Greece
      • OTE Museum of Telecommunications Subsidiary · Kifisia Municipality, Greece
      • OTE PLC Subsidiary · London, United Kingdom
    • Deutsche Telekom MMS Dresden, Germany
    • T-Mobile US Wilmington, Delaware, United States
      • iWireless Subsidiary · Urbandale
      • Metro by T-Mobile Subsidiary · Richardson
      • Ultra Mobile Subsidiary
      • APC Realty and Equipment Company, LLC Subsidiary · Delaware, United States
      • Assurance Wireless USA, L.P. Subsidiary · Delaware, United States
      • ATI Sub, LLC Subsidiary · Delaware, United States
      • Blis Ad Platform Private Limited Subsidiary · India
      • Blis Global Spain, S.L. Subsidiary · Spain
      • Blis Italia S.r.l. Subsidiary · Italy
      • Blis Media Pty Pte. Ltd. Subsidiary · Singapore
      • Blis Netherlands B.V. Subsidiary · Netherlands
      • Blis USA, Inc. Subsidiary · Delaware, United States
      • BlisMedia (Australia) Pty Ltd Subsidiary · Australia
      • Breeze Acquisition Sub LLC Subsidiary · Delaware, United States
      • Clearwire Communications LLC Subsidiary · Delaware, United States
      • Clearwire International, LLC Subsidiary · Washington, United States
      • Clearwire Legacy LLC Subsidiary · Delaware, United States
      • Clearwire Spectrum Holdings II LLC Subsidiary · Nevada, United States
      • Clearwire Spectrum Holdings III LLC Subsidiary · Nevada, United States
      • Clearwire Spectrum Holdings LLC Subsidiary · Nevada, United States
      • Fiber JV Holdings LLC Subsidiary · Delaware, United States
      • Finco Depositor I LLC Subsidiary · Delaware, United States
      • Finco Depositor II LLC Subsidiary · Delaware, United States
      • Finco Depositor III LLC Subsidiary · Delaware, United States
      • Finco Depositor IV LLC Subsidiary · Delaware, United States
      • and 111 more
    • T-Systems (Singapore) Singapore, Singapore
    • T-Mobile UK Subsidiary · 100% · Hatfield
    • Magyar Telekom Subsidiary · 59.23% · Budapest
    • Hrvatski Telekom Subsidiary · 51% · Zagreb
    • Albanian Mobile Communications Subsidiary · Tirana
    • Comfortcharge Subsidiary · Bonn, Germany
    • congstar Subsidiary · Cologne
    • Crnogorski Telekom Subsidiary · Podgorica
    • Detecon Subsidiary · Cologne
    • Deutsche Funkturm Subsidiary · Leverkusen, Germany
    • Deutsche Telekom (United Kingdom) Subsidiary · Welwyn Garden City, United Kingdom
    • Deutsche Telekom IT Solutions Slovakia Subsidiary · Košice, Slovakia
    • Deutsche Telekom Services Europe Czech Republic Subsidiary · Brno, Czech Republic
    • Magenta Telekom Subsidiary
    • Makedonski Telekom Subsidiary · Skopje
    • One Albania Subsidiary · Tirana
    • and 68 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company (GLEIF)

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. May 2, 2017Parent Directly consolidated by Deutsche Telekom3
  2. 1995Founded Founded1

Sources

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

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