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We’re here to help
you innovate with success

As a leading global provider of microbiological and analytical lab testing, we know that compliance is critical and every test matters. Our commitment to upholding the highest standards and building strong customer partnerships is driven by our shared desire to improve and save lives.

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Nelson Labs offers:

Complete confidence

Your products help save lives, our tests help make that possible. Our track record and reputation for quality and reliability set us apart.

Exceptional service

We provide personalized service for every client and every project with our worldwide network of labs and facilities. We know that timely turnaround, superb quality and working with a provider who understands your needs are critical to a long-standing partnership - and that’s why 99.4% of our sales orders are from repeat customers.

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An Industry-leading expert

We understand your business and the challenges you face. In fact, our experts sit on the standards committees and have created many of the tests you rely on. Learn from our experts.

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End-to-end solutions

We are the only comprehensive provider of mission-critical services. Our expert advisors can guide you along your product development lifecycle to ensure the safety of your product.

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News & Events

Blog

When Formulation Tweaks Reveal Hidden Chemistry: A Case of Unexpected Impurities

Posted: October 27, 2025

Blog Post 7 – When Formulation Tweaks Reveal Hidden Chemistry: A Case of Unexpected Impurities 2 min reading time Recently, a customer reformulated a drug product containing a well-characterized Active Pharmaceutical Ingredient (API). Routine High-Performance Liquid Chromatography/Ultraviolet (HPLC/UV) analysis flagged something unusual: a new, unidentified impurity appeared in the chromatogram. Intriguingly, it eluted very close...

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Blog

Database-driven discovery: how NIST23 helped trace a manufacturing impurity

Posted: October 20, 2025

Blog Post 6 – Database-driven discovery: how NIST23 helped trace a manufacturing impurity 2 min reading time Impurity identification primarily depends on mass spectrometric analysis and comparison with reference MS spectra. In most cases, impurities are identified by matching spectra against Nelson Lab’s proprietary screening database. This database contains over 8000 spectra representing more than...

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Trade Shows

PODD Conference 2025

Event date: October 27, 2025

We’re pleased to announce that we will be attending the PODD (Partnership Opportunities in Drug Development) Conference 2025 in Boston, MA this October 27-28.  We look forward to joining pharma,...

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