• A proud winner of Excellence in Pharma: Contract Services and Outsourcing 2018

  • Providing chemistry expertise to bring your therapeutics to life

  • An independent, scientifically-unbiased and commercially-minded CRO

  • We develop perfect-for-purpose chemistry solutions from lead optimisation through product launch

White outline of a person against a transparent background.

Who we are

We are a fast growing and adaptable process research and development CRO with a proven track record. Utilising decades of experience working on hundreds of drug discovery and development projects, for companies around the world, we optimise reactions and processes based on scientifically-unbiased approaches.

Meet CatSci
White outline of of a flow reactor against a transparent background.

What we do

As an independent and commercially-minded CRO, we are a reliable and trusted partner for innovation. We are dedicated to understanding and optimising any of your chemical reactions and processes to enable your candidate selection, chemical development and life-cycle management.

See what we're up to
  • Enabling chemistry to expedite candidate selection
  • Reaction screening & parallel chemistry
  • Flexible route design & optimisation
  • Reaction trouble-shooting
  • mg to g material supply
  • Reaction trouble-shooting
  • Route scouting
  • Rapid scale-up
  • Analytical method development
  • Early solid-state characterisation
  • Non-GMP material supply
  • Tech transfer for first GMP manufacture
  • Route design & assessment
  • Route development & scale-up
  • Process understanding & robustness
  • Process improvement & optimisation
  • Experimental design (DoE, QbD)
  • Crystallisation development
  • Analytical method development
  • Demonstration batches
  • Tech transfer for GMP manufacture

Recent Updates

11 July 2019

CatSci’s contribution to the Welsh economy receives national recognition

CatSci, a fast growing, adaptable and award-winning contract research organisation (CRO), has received two prestigious accolades from highly-esteemed Welsh organisations.

23 May 2019

CatSci furthers global growth strategy by appointing two Business Development Managers

CatSci, a fast growing, adaptable and award-winning contract research organisation (CRO), is continuing its strategic £1.3 million expansion plan with the appointment of Dr Jenny Wallis and Dr João Madeira as Business Development Managers.

07 February 2019

CatSci goes beyond process chemistry by expanding its focus to lead optimisation

CatSci, a fast growing, adaptable and award-winning contract research organisation (CRO), has highlighted its end-to-end services with an additional focus on lead optimisation.

Latest Press

29 May 2019 - C&EN

British contract research firms fight to find science talent

In C&EN, our COO Dr Simon Tyler discusses the importance of welcoming graduate chemists into our company and how we are dedicated to growing our team with bright, talented minds.

02 February 2019 - The Medicine Maker

Phasing Out Inefficiency

How can you ensure success when working with a CRO, such as CatSci, for process research and development? Hear from our COO, Dr Simon Tyler, in The Medicine Maker.

23 January 2019 - Pharmaceutical Technology

Updating Manufacturing Processes to Improve Sustainability

Earlier this year, CatSci’s Dr. Jonathan Moseley spoke with Pharmaceutical Technology to discuss what makes our novel biocatalytic manufacturing process unique.