Home/ABOUT US/The Quality Management Service

Quality management

The Slovenian National Building and Civil Engineering Institute (ZAG) has established an integrated management system that includes requirements of ISO 9001, EN ISO/IEC 17025, EN ISO/IEC 17065 and EN ISO/IEC 17020 and takes into account relevant legislation and other requirements arising from the areas of operation of the Institute.

Through its mechanisms, the management system ZAG enables and ensures transparency, traceability, confidentiality, impartiality and independence, as well as professionalism and responsibility. Through third-party accreditation, certification and authorization, we prove that the services we provide to our customers and partners maintain a high level of quality.

The ZAG’s management system is certified according to the ISO 9001 standard by the Slovenian Institute of Quality and Metrology (SIQ).

Grant of certificate: 14.9.2007

The latest change: 14.9.2021

Certificate SIQ: Q-1112

Certificate IQNET: Q-1112


Testing and calibration activities are accredited according to the EN ISO/IEC 17025 standard by Slovenian Accreditation (SA).

Testing laboratories

Grant of certificate: 11.11.1999

Certificate SA: LP 005

Annex to the certificate LP-005

Calibration laboratory

Grant of certificate: 21.4.2000

Certificate SA: LK-009

Annex to the certificate LK-009

Certification activities are accredited according to EN ISO/IEC 17065 standard by Slovenian Accreditation (SA).

Certifikacijski organ

Grant of accreditation: 3.11.2003

Certificate SA: CP-002

Annex to the certificate CP-002


In the harmonized field of construction products, ZAG has been notified to the European Commission under EU Regulation no. 305/2011 (CPR):

In the national legislative field of construction products, according to the Construction Products Act (ZGPro-1), ZAG has been designated by the relevant ministry:

The procedures for approving packaging for the transport of dangerous goods are carried out by ZAG under the authority of the relevant ministry under the Transport of Dangerous Goods Act (ZPNB), taking into account the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR):

For the performance of technical inspections of cableway installations under the Cableway Installations for the Transport of Persons Act (ZŽNPO), ZAG has been appointed by the relevant ministry:

Testing laboratories of the ZAG: List of decisions April 2022


Tinkara Kopar
PhD inž. kem. inž.
e-mail: tinkara.kopar@zag.si
Phone: 01 280 45 56