The UK government offers generous tax relief for businesses that invest in innovation. This programme has been running since 2000 and has helped thousands of businesses reduce their tax bills or receive cash payments. For any business trying to create something new or improve existing products and processes, this relief can make a real difference to the bottom line.
What Is This Tax Relief?
The R&D research tax credit is a government scheme designed to reward businesses that take risks on innovation. The basic idea is simple: if a business spends money trying to solve scientific or technological problems, it can claim some of that money back through reduced tax or direct payment.
This relief is available to businesses of all sizes and across all industries. From technology startups to manufacturing firms, from construction businesses to food producers, any business carrying out qualifying work can make a claim.
The scheme has gone through several changes over the years. The most recent major change happened in April 2024, when the government introduced a merged scheme that combined two previous programmes into one system.
The Merged Scheme From April 2024
For accounting periods beginning on or after 1 April 2024, most businesses claim under the new merged scheme. This brings together the old SME scheme and the RDEC scheme into a single system with standardised rules.
Under the merged research & development tax credit scheme, businesses can claim a credit worth 20% of their qualifying spending. This is an above-the-line credit, which means it shows up in the accounts before the profit figure. After accounting for corporation tax, the real-world benefit works out to between 15% and 16.2% of qualifying costs.
The merged scheme applies to businesses of all sizes. Small firms and large corporations now follow the same rules and claim at the same rate. This simplification makes it easier for businesses to understand what they can claim and how much they might receive.
Special Rules for Research-Intensive Businesses
The government has created a separate arrangement for small and medium businesses that spend heavily on research. This is called the Enhanced R&D Intensive Support scheme, or ERIS.
To qualify for ERIS, a business must be a small or medium enterprise and must spend at least 30% of its total outgoings on qualifying research activities. If a business meets these conditions and is making a loss, it can claim a higher credit rate of up to 27% of qualifying costs.
This special rate recognises that some businesses put almost everything into developing new products or services. For early-stage technology firms that are not yet profitable, this higher rate can provide much-needed cash to keep research going.
What Counts as Research and Development
The research and development R&D tax credit has specific rules about what activities qualify. Not all business improvement work counts as research for tax purposes.
To qualify, a project must aim to achieve an advance in the overall knowledge or capability of a field of science or technology. This advance must not be something that a competent professional working in that field could easily work out. In other words, there must be genuine uncertainty about whether and how the project can succeed.
The work must involve attempting to overcome scientific or technological uncertainties. These uncertainties exist when the answer to a problem is not readily available or easily figured out by someone with expertise in the relevant area.
Projects do not have to succeed to qualify. If a business tries something and it fails, the costs of that failed attempt can still count towards a claim. What matters is that there was genuine uncertainty and the business made a proper attempt to solve the problem.
Types of Qualifying Work
Many different activities can qualify for relief. Creating completely new products or services is an obvious example, but the scheme covers much more than that.
Improving existing products counts when the improvement involves solving technical problems. Making a product faster, more efficient, or more reliable could qualify if the work requires overcoming scientific or technological challenges.
Developing new manufacturing processes can qualify. If a business is trying to find a better way to make something and the solution is not obvious, this work could be eligible.
Building software and apps often qualifies, particularly when the development involves solving complex technical problems. Games development, financial systems, and industrial control software are all examples of areas where businesses commonly make claims.
Costs That Can Be Claimed
The R and D tax incentive allows businesses to claim relief on several types of spending related to qualifying projects.
Staff costs are usually the biggest part of any claim. This includes wages, salaries, pension contributions, and national insurance for employees who spend time on qualifying work. If an employee spends 60% of their time on research projects, the business can claim for 60% of that person’s employment costs.
Consumable items used in research can be claimed. This covers materials and supplies that get used up during the research process, such as chemicals, components used in prototypes, or materials used in testing.
Software costs directly related to qualifying work may be included. Cloud computing costs for research activities became eligible from April 2023 onwards.
Some subcontractor costs can be claimed. The rules here have changed over time, but the merged scheme allows businesses to include payments to third parties who carry out research work under contract.
What Does Not Qualify
HMRC has made clear that certain types of work rarely qualify for relief. Routine testing and quality control work that does not aim to create new knowledge is excluded. Market research and customer feedback activities do not count as scientific research.
Work done overseas generally does not qualify under the current rules. For accounting periods starting on or after April 2024, most payments for contractors and workers outside the UK are excluded from claims.
Administrative work related to research projects does not qualify. Managing a research team, writing reports, or attending meetings about research are not themselves research activities.
How to Make a Claim
Businesses make claims through their Corporation Tax return. The claim is submitted to HMRC along with details of the qualifying activities and costs.
Claims must be made within two years of the end of the accounting period in which the costs were incurred. For example, if a business has an accounting period ending 31 December 2024, it must claim for that period by 31 December 2026.
First-time claimants and businesses that have not claimed for more than three years must submit a Claim Notification Form before making their claim. This notifies HMRC that a claim is coming and must be filed within six months of the end of the accounting period.
An Additional Information Form is required for all claims. This form asks for details about the qualifying projects, the costs being claimed, and the technical work that was carried out.
Keeping Good Records
HMRC has become more careful about checking claims in recent years. High-profile cases of fraudulent claims led to tighter rules and more enquiries.
Businesses should keep detailed records of their research projects as the work happens. This includes project plans, technical reports, test results, and evidence of the uncertainties that were being addressed.
Financial records showing exactly what was spent on each project are needed. Being able to link specific costs to specific qualifying activities makes it much easier to defend a claim if HMRC asks questions.
HMRC published compliance guidelines setting out the types of evidence it expects to see. Having this documentation ready before making a claim reduces the risk of problems later.
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