Welcome to Quality Services International GmbH
a Tentamus company
QSI and DSI-pharm under the umbrella of Quality Services International GmbH combine the competence in the field of food and pharma analysis. Due to the merger of the two locations Bremen and Oldenburg, Quality Services International GmbH is your competent partner for food and pharma analyses.
Quality Services International GmbH – a Tentamus company
As an ISO 17025 accredited laboratory, which is equipped with state-of-the-art laboratory equipment, as well as experienced, continuously trained specialists, QSI can provide a comprehensive range of analyses for foodstuff which is focused, among other products, on honey, coffee, tea and herbs.
Find out more about our services in the Food section.
QSI – a lab for life.
DSI-pharm – a Tentamus company
DSI has many years of expertise in analysis of pharmaceuticals and pharmaceutical raw materials.
As a GMP certified laboratory we support our clients in regards of pharmaceutical quality control quickly, reliably and without complications.
Find out more about our services in the Pharma section.
DSI – a lab for life.
Quality Services International GmbH is accredited by the German Accreditation Body (DAkkS) according to DIN EN ISO/IEC 17025:2005:
ISO17025 accreditation certificate
Authorisations as experts for the examination of official cross-checks:
Admission as official expert Dr. C. Lüllmann
Admission as official expert J. Wehlitz
Admission as official expert A. Wessels (nee Hoffmann)
Admission as official expert M. Linkogel
Admission as official expert M. Krieger
Admission as official expert Dr. J. Lütjohann
Admission as official expert M. Weigel
Approval trade chemist Dr. C. Lüllmann