The Welding Research Institute acts as a certification body accredited
by the Slovak National Accreditation Service (SNAS)
and the international welding organisations as IIW and EWF and is authorised
and notified by the Office for Standardisation, Metrology and Testing Line  of the Slovak Republic (ÚNMS SR)
and the Ministry for Regional Development of the Slovak Republic
for conformity assessment and issuing the certificates for constructional products
and the systems of in-plant inspection