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National companies

With companies in about 50 countries, we are one of the world’s leading telecommunications providers. One of our goals is to be a pioneer when it comes to sustainability and, correspondingly, ensure cross-border implementation of our CR strategy. In doing so, we gear our strategic approaches in the national companies to local circumstances.

The profiles of selected national companies can be selected using the map. These profiles provide an overview of the companies’ local CR activities and lighthouse projects.

All national companies in overview

Country NatCo
Austria T-Mobile Austria
  T-Systems Austria GesmbH
Brazil T-Systems do Brasil Ltda.
  T-Systems do Brasil Ltda. (local language)
Croatia Hrvatski Telekom d.d.
  Hrvatski Telekom d.d. (local language)
Czech Republic T-Mobile Czech Republic
  T-Mobile Czech Republic (local language)
Denmark T-Systems Nordic A/S
  T-Systems Nordic A/S (local language)
Germany Telekom Deutschland GmbH
  T-Systems International GmbH
Greece OTE-Cosmote
  OTE-Cosmote (local language)
Hungary Magyar Telekom
  Magyar Telekom (local language)
  IT Services Hungary Szolgáltató Kft.
  IT Services Hungary Szolgáltató Kft. (local language)
North Macedonia Makedonski Telekom
  Makedonski Telekom (local language)
Malaysia T-Systems Malaysia Sdn Bhd.
  T-Systems Malaysia Sdn Bhd. (local language)
Mexico T-Systems Mexico
  T-Systems Mexico (local language)
Montenegro Crnogorski Telekom
  Crnogorski Telekom (local language)
Netherlands T-Mobile Netherlands
  T-Mobile Nederland (local language)
  T-Systems Netherlands
  T-Systems Netherlands (local language)
Poland T-Mobile Polska
  T-Mobile Polska (local language)
Russia T-Systems CIS RUS Ltd.
  T-Systems CIS & RUS (local language)
Romania Telekom Romania
  Telekom Romania (local language)
Singapore T-Systems Singapore Pte. Ltd.
  T-Systems Singapore Pte. Ltd. (local language)
Slovakia Slovak Telekom
  Slovak Telekom (local language)
  T-Systems Slovakia
  T-Systems Slovakia (local language)
Spain T-Systems Iberia
  T-Systems Iberia (local language)
UK T-Systems Limited
USA T-Mobile USA