About Us

PGS is an international conformity assessment which is accredited by the American Accreditation Association.
PGS is accredited as Proficiency Testing Provider with its accreditation system established in accordance with ISO/IEC 17043.
PGS is the global leader in proficiency testing for the field of Construction, Metallurgy, Paints, Water analysis, Oil & gas, Textile & calibration.
We have a clear goal; to provide the highest quality PT services to our international customer base.
PGS offers PT services and certification services in a wide scope manner. These services are accessible to all testing, medical and calibration laboratories.
We are located around the world with reference labs distributed in many countries to cover all world countries.
PGS proficiency testing provides an independent assessment of your laboratory performance and compares your results to laboratories worldwide.
Taking part in our proficiency tests gives you confidence in your laboratory equipment, methods and staff, and assurance that you are delivering the quality results demanded by your customer.

The need for ongoing confidence in laboratory performance is not only essential for laboratories and their customers but also for other interested parties, such as regulators, laboratory accreditation bodies and other organizations that specify requirements for laboratories.

Assessment of the laboratories competence for certain tests or measurements, also in the framework of accreditation according to ISO/IEC 17025.
Continuous monitoring of effectiveness of staff training and supervision, or calibration of equipment.
Provision of additional confidence to laboratory customers.
Achieve commercial improvement, through providing additional confidence to laboratory clients.
Achieving confidence in testing performance of accredited laboratories.
Demonstration of competence in a testing field.
Assist in determining reasons for interlaboratory differences.
Proficiency testing is an essential part of laboratory quality procedure and participation is a mandatory requirement of ISO 17025 accreditation.