Good Biomarker Sciences (GBS) is a successful spinoff organisation from TNO (Netherlands Organisation for Applied Scientific Research). With over 10 years of experience we provide fit-for- purpose analytical services that are a perfect blend between our expertise and cutting edge approaches.

GBS Leiden scientists are specialized in hemostasis and immunobiology with a focus on functional assays. We offer scientific and analytical support for clinical trials, population studies and pre-clinical drug development. Our services and expertise relied on our flexible and tailormade approach to the specific needs of every project. Our clients include emerging small and mid-size biotech companies, large pharmaceutical corporations as well as individual investigators and research groups.

At GBS Leiden, our commitment to providing quality data is based on the guidelines of GCLP and EMA to support studies of human subjects and materials. To ensure we meet regulatory requirements, we follow the current bioanalytical guidelines for assay validation in our specific fields, and where possible we also participate in external qualification programs, such as the ECAT. Of course, our facilities and operations are open to audit by existing and prospective clients.

The Way We Work

LISTEN: Sound research is made of a fast and clear communication with clients. Each need of client is noted, assessed and followed by project manager and scientific expert.

DEVISE: We are committed to tailor a meticulous experimental design to the needs of specific project. Validation of innovative methods is the cornerstone of delivering fit-for-purpose solutions for your needs.

ADVISE: Future directions based on thorough data interpretation in concordance with the newest developments in biomedical R&D.

DELIVER: Results and interpretation by experts delivered in timely and quality manner.


Our mission is to provide customized laboratory solutions to support biotech, pharma, IVD organizations to facilitate the implementation of medical innovation in healthcare.


To invest in the development of new assays and biomarker validations to further expand our capabilities by collaborating with academic groups, pharmaceutical, and biotech companies and innovative start-ups.

Core Values