Decoding Biologics Production

53Biologics is a CDMO for your preclinical and clinical projects, from plasmid DNA to proteins

Experts in Biologics Production

Since we are a customer-focused CDMO, we adapt to your needs. Our scientists can develop and release safe biological products in time, within a set budget and following the quality standars of your choice

53Biologics is... your Perfect CDMO your Perfect Partner your Perfect Choice

53Biologics is a fast-growing CDMO based in Spain specialized in biologics production, from plasmid DNA to proteins. We provide services from preclinical development to GMP manufacturing, supporting our worldwide clients in getting their biological products to market as quickly as possible.

Our mission is your mission. We strive for excellence in our CDMO services to be your partner and give you the best support to bring your biotherapeutic to realisation.

The Media Talks About 53Biologics

CDMO Services for Proteins

At 53Biologics, we have a vast experience developing microbial strains using E. coli and Pichia pastoris but also many other microbial strains like Bacillus, Saccharomyces and fungal expression systems. In collaboration with recognized partners, we are able to develop also mammalian expression lines based in CHO or HEK293. Once the RCB are generated, we are fully capable to produce and characterize Master Cell Banks (MCB) and Working Cell Banks (WCB) in our GMP compliant suits.

Our experts in Upstream and Downstream Development provide personalized attention and ensure the most effective and innovative solutions for complex challenges. Our analytical team provides multiple analytical testing services to support from early development to commercial manufacturing.

Combining this experience and capabilities, our track record includes the manufacturing of monoclonal antibodies, fusion or nanobodies, antigens, viral proteins, virus like particles, cytokines, growth factors and a broad range of enzymes for different applications and therapies.

Moreover, our team of skilled scientists and technicians work diligently to optimize processes and enhance yields. By selecting our services, you can rest assured that your protein production needs are in capable hands, enabling you to concentrate on advancing your research and introducing life-saving therapies to the market.

Your project is our project, let us demonstrate our commitment, agility and flexibility

Plasmid DNA Services

At 53Biologics, we specialize in delivering exceptional plasmid DNA production services, leveraging our unparalleled expertise in working with E. coli. Starting from the strain construction and cell banking services characterizing and storing different cell banks for our customers, followed by upstream and downstream process development support ensuring consistent and reliable outcomes, to the final pDNA manufacturing services, 53Biologics will support you in advancing your R&D and manufacturing objectives. Our pDNA services comes with outstanding quality control and documentation support as requested.

We adapt to your needs on time, amounts and following the quality standards of your choice as the customer-focused CDMO that we are.

Flexible manufacturing capabilities for your biologics production with short turnaround times

RNA Services

We have a deep knowledge of nucleic acids and biopharmaceutical services. We are working to integrate our capabilities across the operational value chain to enable the development and commercialization of RNA therapeutics. Thanks to our experience overproducing ancillary reagents like In Vitro Transcription (IVT) enzymes and pDNA as templates, step by step our clients started to request us also the overproduction of mRNA. Our growing track record now helps other customers to reach their objectives.


Interested In Our CDMO Services?

We would love to hear from you!

Please note that job applications submitted through this form will not be considered. Use the Careers page.


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