What is R&D Tax Relief? – Explained for UK
A Complete Guide to Research & Development Tax Credits for UK Businesses
Published: August 6, 2025 | MHC & Co Tax Specialists
The UK’s R&D Tax Relief scheme is one of the most generous business tax incentives, offering up to 33% cash back on qualifying research and development expenditure.
Understanding R&D Tax Relief
R&D Tax Relief is a UK government incentive designed to reward companies for investing in innovation. It allows businesses to claim back a percentage of their R&D expenditure either as:
- A reduction in corporation tax liability
- A payable cash credit (for loss-making companies)
Who Can Claim R&D Tax Relief?
- Limited companies in any sector
- Businesses developing new products, processes or services
- Companies making technological advancements
- Businesses of any size (different schemes for SMEs and large companies)
Key Benefits of R&D Tax Relief
The R&D Tax Credit scheme offers significant advantages for innovative UK businesses:
Substantial Cash Returns
SMEs can claim up to 33% of their R&D expenditure back as cash credit.
Boost Cash Flow
Provides vital funds to reinvest in further innovation and business growth.
Broad Eligibility
Many activities qualify, from software development to manufacturing processes.
Retrospective Claims
Can claim for past two accounting periods if you missed previous opportunities.
Government-Backed
Part of long-term government strategy to boost UK innovation.
Ongoing Benefit
Can be claimed annually as long as R&D work continues.
How to Claim R&D Tax Relief
- Identify Qualifying Projects – Any project that seeks to resolve scientific or technological uncertainties
- Calculate Eligible Costs – Staff costs, materials, subcontractors, software, etc.
- Prepare Technical Report – Document how projects meet HMRC’s criteria
- Submit with CT600 – File claim as part of your corporation tax return
- Receive Benefit – Typically within 4-6 weeks of submission
Ready to Claim Your R&D Tax Relief?
Our tax specialists at MHC & Co can maximize your R&D claim and handle the entire process for you.
Email: info@mhcandco.co.uk
Phone: +44 333 789 1010
Address: 54 Gloucester Road North, Bristol, BS7 0SJ, United Kingdom
MHC & Co Chartered Accountants | UK Tax & Innovation Funding Specialists
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