Trusted Bioanalytical CRO
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.
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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

When it comes to drug discovery, compound screening experiments are the first big step in figuring out whether a new molecule has real therapeutic potential. But the truth is, it’s not enough to simply “run the experiment and see what happens.” The way you design the study—everything from which concentrations…

During episode #92 of The Weekly Bioanalysis, our hosts, John and Dom, dive into GLP-1 receptor agonists—originally developed for type 2 diabetes—and how their mechanisms (stimulating insulin, slowing gastric emptying, and reducing glucagon) also drive significant weight-loss effects. They discuss why native GLP-1 is too short-lived to be therapeutic and…

Why Sample Matrix Choice Matters Choosing the right sample matrix is one of the most critical decisions when designing a flow cytometry assay. Each option offers unique advantages and limitations that can directly impact data quality, logistics, and study outcomes. Flow cytometry requires intact, viable cells. The power of flow…
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.