About us




Headquarters: Wolnzach
Production site: Triesdorf
Managing Director: Alfred Enderle, Christine Röhrl
Core competence: Our production range includes a wide variety of certified reference materials, special standards and control milks. We carry out quality assurance proficiency tests for dairies and laboratories. Externally and internally commissioned consulting, research and development projects and participation in national and international working groups stand for our competences.

QSE GmbH has over 25 years of experience in the production, characterisation and use of certified reference material for the calibration and adjustment of routine instruments and the verification of reference methods.


Development of reference materials for the calibration of routine instruments by MPR Bayern e.V.


Start of production of the long-term standard


Establishment of an own laboratory for quality assurance and development by MPR Bayern e.V..


Foundation of QSE GmbH as a subsidiary of MPR Bayern e.V.


Accreditation according to DIN EN ISO/IEC 17043:2010 as provider of proficiency testing and according to DIN EN ISO/IEC 17034:2017 as manufacturer of reference material

Since QSE GmbH was founded in 2006, the areas of reference materials and proficiency testing have been continuously expanded. Almost 60 additional reference samples have been developed. The Germany-wide proficiency tests/ring tests now cover participants from all continents. We serve our customers from over 50 countries.

We are constantly striving to develop further. Visit our homepage regularly for information and contact us if you have further wishes, ideas or questions.