Customer Contact Points for large company and government clients of T-Systems

Personal Account Managers

T-Systems keeps contact with its large company and government partners through account managers, to ensure high quality customer care and fast, one-stop problem-solving.

Corporate Customer Support Centre

In addition to personal contacts, the corporate client service centre also puts dedicated colleagues at the disposal of our large company and government clients.


Corporate Customer Support Centre

Postal address:
1276 Budapest Pf. 1400

Telephone: 1400
Fax: +36 1 265-8544

Local Number Portability information:

Call the freephone number below to receive information on the service provider and tariff of the given telephone number.

Telephone: + 36 80 388-388

Our goal is to facilitate our partners’ administration related to our services and to fully meet their needs and requirements.