Bioanalytical CRO Excellence
Welcome to KCAS Bio, your global bioanalytical CRO partner with the expertise, capacity and flexibility sponsors require.
CRO for preclinical and clinical bioanalysis
KCAS Bio is a leading bioanalytical contract research organization (CRO) with a proven record of advancing drug development worldwide. We have provided bioanalytical development support for more than 315 approved drugs on the market, 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 lab 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.


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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
For flow cytometry methods reproducibility and scalability are crucial, especially as programs move from discovery to the clinic. When it comes to maintaining consistent flow cytometry data over time, across different collection sites, or across multiple clinical studies, there are important challenges to consider. Backbone flow cytometry panels – well-characterized,…
In the most recent episode of “The Conversational Flow”, Adam and Brian dive into the flow-based Basophil Activation Test (BAT), explaining how it works, why it matters, and how it has evolved since basophils were first identified. They describe how BAT uses markers to assess basophil activation from a simple…
What Are ADA Assays and Why Do They Matter? In both preclinical and clinical studies, evaluating immunogenicity, the immune system’s response to a foreign substance, is a critical factor. Anti-drug antibody (ADA) assays play a pivotal role in this evaluation, helping researchers and pharmaceutical companies determine how the immune system…
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.
