31/10/2025

R&D Tax Relief Is Changing – Here’s What UK Businesses Need to Know

Understanding the Upcoming Changes to R&D Tax Relief

UK businesses that rely on Research and Development (R&D) Tax Relief to support innovation are about to see notable changes. With HMRC tightening regulations and streamlining schemes, it’s vital SMEs and larger companies alike understand how the reforms may affect their claims. Whether you’re already claiming or considering it for the first time, staying ahead of the changes can make all the difference.

What’s Changing in R&D Tax Relief?

From April 2024, the UK government is introducing a merged R&D scheme that consolidates the existing SME R&D Tax Relief and the R&D Expenditure Credit (RDEC) schemes. This move aims to simplify access and make the relief more equitable, but it comes with revised rules on qualifying expenditure and claim procedures.

  • Unified Scheme: Current SME claimants will need to transition into the new merged regime, which mirrors many aspects of RDEC, including the taxable credit approach.
  • Intellectual Property Ownership: New rules place greater emphasis on claiming companies having ownership over the IP arising from the R&D work.
  • Subcontracted R&D: Restrictions will apply to subcontracted work, especially when it’s conducted outside the UK, complicating the eligibility criteria for some claims.

While the goal is to improve compliance and reduce abuse of the system, genuine claimants must be aware of the increased scrutiny and evidence required.

How These Changes Will Impact SMEs

For SMEs, the shift from the existing tax relief scheme to the new unified model may mean a reduction in the overall benefit they receive. Under the RDEC-like structure, payments are taxable and provide a lower net benefit compared to the current SME scheme. This could affect cash flow projections for small businesses heavily reliant on this incentive.

In addition, first-time claimants must now notify HMRC within six months of the end of the accounting period, or risk invalidating their claim. This shorter window underscores the urgency for businesses to stay on top of deadlines and record-keeping requirements.

Qualifying R&D Activities – Still Worth the Effort

Despite the changes, the incentive remains a valuable tool for companies pushing technological and scientific boundaries. Eligible activities still include:

  • Developing new or improved products or processes
  • Overcoming technical challenges
  • Creating prototypes or testing experimental designs

The key is documenting your R&D journey meticulously: define the project objectives, explain the uncertainty, and show how it was systematically addressed. With new HMRC guidance focusing more on the quality of claims, professional support becomes even more critical.

What Businesses Should Do Now

To prepare for the upcoming changes, companies should:

  1. Review all ongoing and planned R&D projects.
  2. Seek advice on how the merged scheme will affect your ability to claim.
  3. Update internal processes to capture evidence and maintain detailed records.
  4. File notifications on time if you’re a first-time claimant.

Most importantly, don’t assume your previous eligibility will carry over smoothly. With HMRC introducing real-time claim inquiries and increasing its compliance focus, submitting robust, defensible claims is critical.

Get Expert Support Through the Transition

Navigating the evolving R&D Tax Relief landscape doesn’t have to be daunting. At DSR Ashburns Accountants, we help UK businesses maximise eligible claims while staying fully compliant with HMRC requirements. Our R&D specialists proactively track changes, so you don’t have to. Get in touch today for straight-talking advice tailored to your business goals.

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