Where
Dedication
Delivers
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Excellence
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Value
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Quality
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Efficiency
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Excellence
Europe’s biologics CDMO for cost-efficient, end-to-end development and manufacturing
Integrated biologics CDMO services in one place. From cell line development to commercial GMP manufacturing: faster, leaner, and built around your program.
Rapid scale-up with extensive capacity
Ensuring reliable delivery and a seamless transition from clinic to market
Led by scientists with proven experience
Our tech transfer expertise and strategic partnerships for fill/finish enable us to deliver “ready to fill” solutions
From cell line development to clinical and commercial GMP manufacturing
Process development & characterization
Scalable upstream and downstream biologics processes built for robustness, optimized for biosimilars and new biological entities (NBEs) from lab to commercial scale.
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Analytical capabilities
Phase-appropriate, method-qualified testing for product quality and release
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GMP manufacturing
Flexible single-use GMP capacity at clinical and commercial scale, inspection-ready and approved by FDA and EMA.
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Quality
Systems aligned with regulatory requirements, confirmed by successful inspections and focused on lifecycle aspects
Read moreDriven by science. Powered by partnerships. A European biologics CDMO built on proven GMP manufacturing excellence and a biosimilar heritage
Certified excellence in biotech manufacturing. Trusted by global regulators and powered by world-class talent.
Number of employees, 80% of our workforce with higher education degrees
Employees (10% PhD)
>1100 employeesLast year’s batch output
Production
73 batches produced in 2025Batch success rate achieved in 2025
Batch success
95% batch succces rateNumber of successfully passed audits
Audits
35+ EMA, FDA, MHRA, ANVISAExperience in biologics development
Experience
16 years of operationTech transfers since the beginning of operations
Transfers
12 tech transfersNationalities represented by our professionals
Team
22 nationalitiesBuilt for clinical to commercial scale
Our two GMP-certified facilities in Poland provide phase-integrated biologics services, from cell line development to commercial supply, approved by FDA, EMA, and ANVISA.
Commercial scale
The large, state-of-the-art GMP facility offers full technical development and commercial-scale manufacturing with 2,000L bioreactors.
Clinical development & manufacturing
Full technical development and medium-scale manufacturing center, with expertise in clinical development, regulatory affairs, and IP management.
Partner with a European biologics CDMO dedicated to deliver program success
- Whether you’re advancing a novel biologic or planning for commercial scale, Rezon Bio is ready to help you move forward with confidence
- Connect with our team to explore how our expertise, integrated solutions, and dedication can accelerate your success