OELCHECK has been certified according to DIN EN ISO 9001 since 1995 and according to DIN EN ISO 14001 since 1999.

The certification documents as well as the accreditation certificate of the DAkkS (Deutsche Akkreditierungsstelle engl. German Accreditation Body) can be downloaded here.

DAkkS Certification

ISO 9001 Certification

ISO 14001 Certification