Your contacts globally

Austria

T-Systems Austria
Mail: [email protected]

Belgium

T-Systems Belgium NV
Mail: [email protected]
Phone: +32 2 3009103

Brasil

T-Systems do Brasil Ltda.
​​​​​​​Mail: Contact form

China

T-Systems P.R. China Ltd.
Mail: [email protected]
Phone: +86-10-59221888

Croatia

Hrvatski Telekom d.d.
Mail: [email protected]

Czech Republic

T-Mobile Czech Republic
Mail: [email protected]
Phone: +42-0603601111

Denmark

T-Systems Nordic TC A/S
Mail: [email protected]
Phone: +45-21 64 82 29

France

T-Systems France
Mail: [email protected]

Germany

Deutsche Telekom AG
Mail: [email protected]

Greece

Hellenic Telecommunications Organization S.A. (OTE)
Mail: [email protected]

COSMOTE Mobile Telecommunications S.A.
Mail: [email protected]

COSMOTE E-value
Mail: [email protected]

e-value LTD
Mail: [email protected]

COSMOTE E-VALUE Contact Center Services S.A
Mail: [email protected]

Hungary

Deutsche Telekom Systems Solutions Hungary Kft.
Deutsche Telekom IT & Telecommunications Hungary Kft.
Mail: [email protected]
Phone: +80080056056

Magyar Telekom
Mail: [email protected]
Phone: +80080056056

T-Systems Magyarország
Mail: [email protected]
Phone: +80080056056

Italia

T-Systems Italia S.p.A.
Mail: [email protected]

Malaysia

T-Systems Malaysia Sdn Bhd
Mail: [email protected]
Phone: +60-383133200

Netherlands

T-Mobile Netherlands
Mail: [email protected]
Phone: +31-614092124

T-Systems Netherlands
Mail: [email protected]​​​​​​​

Poland

Polska Telefonia Cyfrowa S.A.
Mail: [email protected]

T-Systems Poland
Mail: [email protected]
Phone: +48 71 37 51 100

T-Mobile Polska S.A.
Mail: [email protected]​​​​​​​

Romania

Telekom Romania
Mail: [email protected]

Deutsche Telekom Business Services SRL
Mail: [email protected]

Singapore

T-Systems Singapore Pte. Ltd.
Mail: [email protected]
Phone: +65-65106223

Slovakia

Slovak Telekom
Mail: [email protected]

Deutsche Telekom Systems Solutions Slovakia s.r.o.
Deutsche Telekom IT & Telecommunications Slovakia s.r.o.
Mail: [email protected]
Phone: +421-55-785 35 66

South Africa

T-Systems South Africa (Pty) Limited
Mail: [email protected]

Spain

T-Systems Iberia
Mail: [email protected]

Switzerland

T-Systems Schweiz AG
Mail: [email protected]

T-Systems Data Migration Consulting AG
Mail: [email protected]

United Kingdom

T-Systems Limited
Mail: [email protected]

United States

T-Systems North America Inc.
Mail: [email protected]
Phone: +1 480-296-0697