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ArcelorMittal Ostrava a.s. is the largest steelmaker in the Czech Republic and part of the world’s largest steel and mining group ArcelorMittal.

PR manager & Spokesperson

This line is intended for the reporting of concerns regarding fraud and corruption, accounting and auditing matters.

You can call us anonymously on the phone number
+420 59 568 3366 or write email via Contact us .

PhDr. Barbora Černá Dvořáková

t: +420 595 683 390


In continuation of several actions being taken to strengthen the Corporate Social Responsibility Programs of the company, ArcelorMittal Ostrava is offering citizens an easy way to submit suggestions or lodge complaints relating to the environment.

Environmental issues

t: +420 800 100 648

Support & Sponsoring

t: +420 595 687 068

f: +420 595 682 457