Life Sciences R&D Tax Credits

INTRODUCTION

Understanding R&D within the Life Sciences Sector

Accessing R&D tax relief in the UK requires more than identifying innovation at a surface level. It relies on translating complex scientific and technical activity into a structured, compliant narrative that aligns with HMRC expectations. Businesses operating in highly specialised fields benefit from working with advisors who understand both the regulatory landscape and the realities of delivering cutting-edge work. With the right approach, companies can ensure their R&D activity is accurately captured, robustly supported, and positioned to withstand scrutiny, while maximising the value of the relief available.

There is a well-established connection between R&D tax relief and the life sciences sector, although the boundaries of what qualifies are often misunderstood. Most day-to-day activity will not meet the criteria, and claims are rarely all or nothing. The focus should not be on commercial outcomes, but on identifying genuine advancements in science or technology relative to existing knowledge, and whether achieving them required resolving uncertainty that a competent professional could not easily overcome.

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Pharmaceuticals Develop, manufacture, and commercialise medicines, including small-molecule drugs and advanced therapies, to prevent, manage, or cure disease

Biotechnology Develop technologies based on cell therapy, gene therapy and biologics to treat life-threatening diseases.

Medtech Design and produce devices, instruments, implants, and hardware used to diagnose, monitor, or treat patients.

Diagnostics and testing Create tests, assays, and lab platforms that detect disease, measure biomarkers, and support clinical decision-making.

CRO/CDMO services Provide outsourced research, development, clinical trial, manufacturing, and formulation services for life sciences companies.

Healthtech Build software, data, and AI-enabled tools that improve care delivery, patient monitoring, treatment access, and health outcomes.

Examples of R&D activity in Life Sciences:

Drug Discovery and Molecular Research:
Applying pharmacological knowledge to predict or discover new drug candidates, including routine methods like high-throughput screening, where the activity advances scientific knowledge.
Preclinical & Clinical Development:
Laboratory testing and clinical trials (phases I–III), including payments to participants, form a core R&D activity.
Medical Devices:
Developing new devices with unknown performance or safety profiles, such as drug-eluting stents, involves significant R&D in manufacturing ultra-thin structures and ensuring controlled delivery mechanisms.
Formulation & Drug Delivery:
Creating new drugs or delivery methods, such as fridge-free vaccines, involves solving complex scientific challenges around stability, efficacy, and manufacturability.

Formulation & Drug Delivery:
Creating new drugs or delivery methods, such as fridge-free vaccines, involves solving complex scientific challenges around stability, efficacy, and manufacturability.
Diagnostic Tools:
Developing novel tools or processes, including AI-driven diagnostic imaging, enables earlier diagnosis and improves patient outcomes.
Biotechnology:
Innovations in gene therapies and personalised medicine, including inserting genes in vivo, push the frontier of biological knowledge.

This is not an exhaustive or definitive list. It should be considered a starting point only. Every project must be evaluated individually based on its unique technical challenges and merits.

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