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Certification

ISO certificate

In the summer of 2023, DHZ AG was recertified. The certification audit was carried out by the Swiss Safety Center AG.

DHZ AG has the following ISO certifications within the sehag group:

  • Quality Management System (QMS): ISO 9001
  • Environmental Management System (EMS): ISO 14001
  • Health and Safety Management System (SGA): ISO 45001

ISO certificate