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.
Large Molecule Bioanalysis by LBA
Move your large molecule program forward with LBA strategies tailored to your development needs. With 20+ years of LBA experience, 60+ dedicated LBA scientists, and advanced platforms including NULISA, MSD, and Ella, KCAS Bio provides assay development, optimization, validation, and sample analysis support from early development through clinical studies.


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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
Blogs
Selecting a bioanalytical CRO is an important decision in drug development, but the process begins well before proposals arrive. A well-structured request for proposal (RFP) gives a CRO the scientific and operational context they need to develop an accurate proposal. You may know what you need the data…
Blogs
When a sponsor’s biologic program expanded from a domestic Phase 1 design into a multi-region trial spanning New Zealand, EMEA, and APAC, the bioanalytical challenge centered on keeping a fragile, time-sensitive sample chain intact across nine additional clinical sites, two outsourced processing labs, and a central analytical lab, all…
Blogs
Here is a scenario we encounter regularly. A sponsor has a promising biologic, a T cell-engaging bispecific, a Treg-depleting antibody, or a checkpoint inhibitor with a novel target. The tox species are cynomolgus macaque, minipig, or dog. And the clinical team wants to know: what will we actually see…
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.



