Towards perfection in Quality

CQS (Consulting Químico Sanitario) is the first and only private reference laboratory designated by the EU (EURL) for the verification of category D diagnostic devices, and the first accredited private clinical laboratory in Spain by ENAC(Entidad Nacional de Acreditación) according to the international standard UNE-ISO 15189:2007 (No. 659/LE1338).

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wide range of services

Technology and innovation for

We have the most extensive range of clinical tests, as well as other complementary services.

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We offer a guarantee of a technically competent entity with a wide range of tests and a significant reduction of time and costs.

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We have our own extraction centres. We offer security and proven reliability in results and diagnosis.

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We offer the biggest and best product options


A tool created to help any laboratory manage its quality requirements in a smart way


Development of methods for detection of biomarkers of interest

Some of our national and international clients and partners