R&D Tax Credits Explained
Everything you need to know about UK R&D tax credits. How they work, who qualifies, and how to claim. Updated for 2024 rules.
What Are R&D Tax Credits?
R&D tax credits are a UK government incentive designed to encourage companies to invest in innovation. They allow you to claim tax relief on qualifying research and development expenditure.
The scheme is generous—SMEs can receive up to 27% of qualifying costs back from HMRC. For loss-making companies, this can be received as a cash payment, making it particularly valuable for startups and growing businesses.
R&D tax credits are not a grant—they're a reduction in your tax liability or a cash payment. Unlike grants, there's no competition or limited funding pot. If you qualify, you can claim.
Current R&D Schemes (2024)
The UK R&D tax credit landscape changed significantly in April 2024 with the merger of SME and RDEC schemes.
Merged R&D Scheme
20% of qualifying costs
The new merged scheme replacing separate SME and RDEC schemes.
R&D Intensive SME Scheme
27% of qualifying costs
Enhanced relief for R&D-intensive small and medium enterprises.
What Costs Qualify?
You can claim relief on various categories of R&D expenditure:
Staff Costs
Salaries, employer NI, pension contributions for staff on R&D
Subcontractors
External providers working on R&D activities
Consumables
Materials, components, utilities used in R&D
Software
Licences for software used directly in R&D
Data & Cloud
Data licences and cloud computing for R&D (from 2023)
Does Your Work Qualify as R&D?
R&D must seek an advance in science or technology by overcoming uncertainty. Ask yourself:
Is there scientific or technological uncertainty?
Could a competent professional in the field have easily solved this problem? If the answer is no—there was genuine uncertainty about how to achieve the outcome—it may qualify.
Are you seeking an advance in science or technology?
The advance must be in the overall field of knowledge, not just to your company. However, adapting existing technology to a new context can qualify if it involves overcoming uncertainty.
Is the work systematic?
R&D should be planned with defined objectives. Ad-hoc experimentation may not qualify, but structured development projects typically do.
Common examples: Software development, engineering challenges, manufacturing process improvements, scientific research, product development, and integration of complex systems.
Frequently Asked Questions
What are R&D tax credits?
R&D tax credits are a UK government incentive that allows companies to claim tax relief on qualifying research and development expenditure. SMEs can claim up to 27% of qualifying costs as a tax reduction or cash payment, while larger companies can claim 20% through RDEC.
Who qualifies for R&D tax credits?
Any UK limited company that spends money on qualifying R&D activities can potentially claim. You don't need to be in a "tech" industry—R&D can happen in any sector including manufacturing, food & drink, engineering, and professional services. The key is that you're trying to make an advance in science or technology.
What counts as R&D?
R&D involves seeking an advance in science or technology by overcoming scientific or technological uncertainty. This includes developing new products, processes or services, improving existing ones, or using science/technology in an innovative way. Software development, engineering challenges, and scientific research all commonly qualify.
How much can I claim?
Under the merged R&D scheme (from April 2024), companies can claim 20% of qualifying costs. R&D-intensive SMEs (where R&D is 30%+ of total expenditure) can claim 27%. Loss-making SMEs can receive the benefit as a cash payment from HMRC.
What costs qualify?
Qualifying costs include staff costs (salaries, NI, pension contributions), subcontractor costs, consumables, software, and utilities used in R&D. From 2024, some overseas expenditure may no longer qualify. Data and cloud computing costs now also qualify.
How do I claim?
R&D tax credit claims are made through your company tax return (CT600). You'll need to calculate qualifying expenditure, prepare a technical narrative explaining your R&D, and submit the claim to HMRC. Many companies use specialist advisors to prepare claims.
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