Výzkumný Ústav Železniční, a.s. (VUZ)

We offer

Accredited certification of products

The Railway Research Institute, j.s.c. (VUZ) is a holder of the certificate of accreditation issued by the national accreditation organ, Czech Accreditation Institute, non profit organization, on the basis of assessment of fulfiling the accreditation criteria according to



The VUZ is an Certification Body for product certification No. 3149 eligible to operate the system of product certification particularly the railway vehicles and their components, railways and components of rail tracks in terms of the Act No. 266/1994 Coll., on railways, as amended by later regulations and relevant executive directives.

Show the certification of accreditation No. 168/2019 (in English language)

Scope of accreditation

  • Sub-systems of the European railway system in the field of infrastructure, energy, control comand and signalling and railway vehicles
  • Railway vehicles and their components
  • Railway signalling and communication equipment
  • Sleepers and aggregates (shingles, gravel sand, crushed and refracted stone)
  • Welding processes during the production and repair of engineering constructions

Comprehensive scope of accreditation including the norm specification (in English language)

Normative documents included in the list updates within the scope of accreditation (In Czech language)

The VUZ as a product certification organ is eligible to perform certification as an accredited activity within the scope specified in Annex to the Certicate of Accreditation based on the producers enquiry or the enquiry of importer or other person. The product certification organ (COV) updates permanently and amend the established quality.

Overview of issued and rejected certificates or withdrawn applications for certification

Based on the client request the product certification organ also provides other services beyond the frame of accreditation.

If you are interested in certification of your products, please download:

Application for conformity assessment


In case of interest in more information contact us

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registered in the Commercial Register of the Municipal Court in Prague, Section B, Insert 10025 - Contact us | References | Career
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