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Pharmaceutical companies

Trusted Partnership for Complex Pharma Development Programs

From purification bottlenecks to CMC overflow, we support pharma teams under pressure by delivering specialist support without compromising on quality, compliance, or control.

Pharmaceutical Companies
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  • Overview
  • What we help you do
  • Our capabilities
  • Our therapeutic modalities
  • What sets our scientists apart
  • In our own words
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  • Overview
  • What we help you do
  • Our capabilities
  • Our therapeutic modalities
  • What sets our scientists apart
  • In our own words

Even the most sophisticated pharmaceutical organisations face bandwidth constraints. Development priorities compete. Internal teams stretch. Timelines shrink. But external partners often deliver more complexity than clarity.

We offer a different kind of support – science-led, agile, and integration-ready. Whether you need short-term capability for a high-priority programme or longer-term resourcing to backfill internal capacity, we deliver results without friction.

We provide scalable, high-quality scientific and operational support that integrates seamlessly with your internal teams.

What We Help You Do
We collaborate with your internal teams to fill capability gaps and deliver technical and regulatory excellence across the entire drug development lifecycle.
Work with a trusted European partner
All of our labs and facilities are located in the UK and Europe so you benefit from a European regulatory environment, predictable oversight, and secure supply-chain continuity.
Expand Capacity and Flexibility
We provide experienced scientists, many with previous pharma experience, to extend your team’s capacity.
Scale complex or high-potency molecules
Support from lab to pilot scale with robust documentation and control strategies. Every step is managed for safety, consistency, and regulatory confidence.
Solve for purification or analytical gaps
We offer deep expertise in trace-level analysis, chiral separation, and RTRT. We develop and optimise methods that maintain purity, accuracy, and consistency across scales.
Maintain documentation and compliance
ICH-aligned outputs, tech transfer support, and audit-readiness. Our documentation systems ensure traceability, data integrity, and full regulatory compliance.
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Our Capabilities

From route design to regulatory submission, we solve complex problems and maintain quality at every stage.

Route Selection

We design and evaluate synthetic routes that balance cost, sustainability, and manufacturability, giving you confidence that your molecule is on the right path from the start.
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Process Development

We transform lab-scale chemistry into robust, reproducible, and scalable processes for material supply, delivering data-driven solutions that ensure your molecule performs from discovery through to manufacture.
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Analytical Development

We deliver phase-appropriate analytical solutions that give you clarity and confidence on your molecule, ensuring it is fully understood and controlled.
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GMP Drug Substance

We take your molecule to the point of manufacture, delivering fully developed, validated, and transfer-ready processes.
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Translational Bioscience

We design and deliver robust, decision-ready biological assays, from target engagement to phenotypic models, allowing you to move your programme forward with confidence. 
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Purification & Separation

We deliver high-quality, efficient chromatographic solutions to ensure your molecules' purity and performance. Our purification capabilities span small molecules, oligonucleotides, peptides, and complex synthetics from milligrams to kilograms and beyond.
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Catalysis and Enabling Chemistry

We help overcome synthetic challenges using advanced catalytic strategies to improve efficiency, selectivity, and scalability while reducing cost and environmental impact.
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Our Therapeutic Modalities

Each modality brings its own challenges in synthesis, analysis, and scale-up. Our teams combine their deep technical understanding with flexible execution to deliver consistent results across multiple therapeutic modalities.

Small Molecules

Decades of experience designing efficient, scalable routes and robust control strategies for small molecule development.
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Oligonucleotides

Our teams have been synthesising and analysing robust oligonucleotide structures for more than 10 years, balancing precision chemistry with strong process insight.
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Peptides

From linear to cyclic, we craft complex peptides with the consistency and quality needed to support your program with confidence and speed.
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TACs and Glues

With our integrated chemistry and biology teams, we design and optimise degraders to help you redefine how challenging targets are treated.
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Hybrid Modalities

From peptide–oligo conjugates and TAC hybrids to molecular glues and beyond, we have the scientific understanding needed to create advanced hybrid therapeutics.
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Complex Synthetic Medicines

Our teams specialise in developing chemistry for complex synthetic assets — integrating discovery insight with process, analytical, and purification expertise to tackle even the most demanding chemical architectures.
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What Sets Our Scientists Apart

A team that understands pharma from the inside, working with the same standards, language, and expectations.
Industrial Experience at Scale
Many of our scientists have worked within large pharmaceutical companies so they can adapt quickly to your systems, standards, and expectations
Rigorous Technical Governance
Our project oversight ensures quality, traceability, and regulatory compliance across all workstreams
Cross-Functional Collaboration
Chemists, biologists, analysts, and regulatory specialists operate as one integrated extension of your internal team
Results You Can Trust
We deliver reproducible data, defensible documentation, and reliable outcomes that stand up to global scrutiny
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“We understand the rigour and reliability large pharma demands. Our teams bring the same scientific depth of data and compliance discipline to scale as your portfolio evolves.”
Ross Burn
CEO, CatSci

Book a Consultation

Speak directly with our scientists about your development challenges and explore how we can support your programme.
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More About CatSci

Find out what makes CatSci different — our story, our people, and our purpose.

Who We Are

Discover the people, purpose, and passion behind CatSci and how we’re helping to shape the future of drug development.
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Why Partner With Us

See why leading organisations trust us to deliver the science, strategy, and collaboration to help them achieve their goals.
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Our Scientists

Meet the experts turning complex chemistry into real-world medicines — and see what makes their approach unique.
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Our Board

Learn more about the leaders guiding CatSci’s growth and ensuring our science always serves a greater purpose.
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