Welcome to KCAS Bio
We are KCAS Bio, your full-service, global bioanalytical CRO partner with the expertise, capacity and flexibility sponsors require.
Bioanalytical CRO service excellence
We take a consultative approach to our discovery and bioanalytical services, giving our clients' confidence their needs are understood, their objectives will be met, and our promises kept. We consistently benchmark, evaluate and optimize our operations so we can help scientific innovators and investors.
We have supported more than 300+ FDA approved drugs on the market, developed 5,000+ proprietary and non-proprietary assays to date, and undergone 18 FDA audits with no major findings.
Our presence in multiple locations throughout the US and Europe - and with a strategic alliance in Australia - allows us to serve sponsors globally with bioanalytical, biomarker, immunogenicity, cellular and molecular assay services along with clinical kitting and sample management.
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 solutions
KCAS Bio is an established bioanalytical CRO with over 40 years' experience. We are very mindful of the human and financial impact of drug development delays. Through our unique approach to capacity planning, we prepare the right expertise with the right capacity and equipment so that we can 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

In drug development, the journey from target identification to clinical candidate selection involves a series of critical steps, including compound screening, lead optimization, and pre-clinical testing. Each stage helps narrow the pool of potential therapeutics, with the goal of identifying the most promising candidates for clinical evaluation. Given the time,…

At KCAS Bio, we offer expert flow cytometry services designed to support the evolving bioanalytical needs of immunology and biomarker projects for drug development. Whether you’re working in preclinical or clinical settings, our validated off-the-shelf panels save time, reduce risk, and deliver high-quality, reproducible data you can trust. Extensive Portfolio…

In Episode 88 of The Weekly Bioanalysis, hosts Dominic Warrino, Ph.D. and John Perkins, Ph.D present a special WRIB 2025 recap featuring several KCAS Bio scientists who share firsthand insights from their presentations at the major bioanalytical conference. David Ambrose highlights KCAS Bio’s global harmonization of spectral flow cytometry instruments across…
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.