Bioanalytical CRO Excellence
Welcome to KCAS Bio, your global bioanalytical CRO partner with the expertise, capacity and flexibility sponsors require.
Bioanalytical CRO expertise
KCAS Bio is a leading bioanalytical contract research organization (CRO) with a proven record of advancing drug development worldwide. We have supported more than 315 FDA-approved drugs, developed over 6,200 proprietary and non-proprietary assays, and successfully completed more than 20 FDA audits with no major findings.
As a top bioanalytical CRO lab, we continually invest in the latest instrumentation and combine this technical expertise with a consultative approach, ensuring our clients’ goals are achieved with confidence. Our teams also bring specialized expertise in advanced modalities, allowing us to support the evolving needs of modern drug development. By consistently benchmarking and optimizing our operations, we help scientific innovators and investors move forward with greater certainty.
With facilities across the US and Europe, along with a strategic alliance in Australia, we provide global sponsors with comprehensive services including bioanalytical, biomarker, immunogenicity, cellular and molecular assay capabilities, as well as clinical kitting and sample management.
Did you Know? We have Harmonized Spectral Flow Cytometry on a Global Scale!
KCAS Bio is the only bioanalytical laboratory with globally harmonized Cytek spectral flow cytometers, with sites in the US, EU and Australia.
Global biomarker and bioanalytical CRO lab
KCAS Bio is an established bioanalytical CRO with over 45 years of experience. We understand the human and financial impact of drug development delays. Through our unique approach to capacity planning, we combine the right experts with the right instrumentation to keep development moving smoothly. Our clients consider us a reliable partner because we strive to minimize downtime, avoid delays, and keep lead times as short as possible.
Find exactly what you’re looking for
Search for specific services, platforms, instrumentation, or scientific insights.
What our clients say
We consistently earn our clients’ trust based on our reputation for transparency, delivering error-free data and keeping our promises.
KCAS Bio scientific insights

Discover in this poster presented by Heather Evans, PhD, at ICCS 2025, our work on the “Global Validation of a Pan-Leukocyte Panel with Enumeration for Fresh Whole Blood“. Validation Pan-Leukocyte Panel Whole Blood KCAS BioDownload If you have any questions about these services…

During episode #93 of The Weekly Bioanalysis, John and Dom welcome guest Chris Crean, founder/CEO of Xyzagen, who reflects on three decades in drug development and how the field has shifted from small molecules to today’s complex biologics, gene editing, and beyond. Chris explains how Xyzagen helps small, science-driven teams…

In this episode, Adam and Brian explored recent advances in cell sorting technology, focusing on image-activated approaches. Unlike traditional flow cytometry, which relies on voltage signals, these systems capture and analyze cell images in real time to guide sorting decisions, enabling new insights such as subcellular localization and cell-to-cell signaling.
Advancing great people and great science
We make nurturing new talent a strategic priority, so that teams are dynamic and constantly improving. We provide a supportive environment for continuous learning and training where you can become your best.

Tell us how we can help with your project
We've earned our reputation for delivering reliable, error-free data. We understand the importance of speed, flexibility, and consistency and only make promises we can keep.