Unlock Innovation with the RDEC Scheme – Expert R&D Tax Relief Advice from Tax Advisory Partnership
The merged scheme R&D expenditure credit (RDEC) and enhanced R&D intensive support (ERIS) are the UK’s primary system for R&D tax relief for accounting periods beginning on or after 1 April 2024. If your company invests in innovation, understanding the R&D Expenditure Credit is essential for maximising your tax benefits.
What is the RDEC Scheme?
The RDEC is a government incentive designed to support companies investing in research and development. Now the standard route for UK R&D tax relief, the merged RDEC regime allows all eligible companies to claim an above-the-line tax credit for qualifying R&D costs.
- RDEC rate: 20% of qualifying R&D expenditure
- Net benefit: Up to 16.2% after corporation tax for most companies
- R&D-intensive SMEs may qualify for enhanced support—see our ERIS page
Who Can Claim RDEC?
RDEC (Research & Development Expenditure Credit) supports UK companies subject to Corporation Tax that carry out qualifying R&D activities. Both profit-making and loss-making companies can claim.
Quick Eligibility Overview
You can claim RDEC if your company is a large business.
SMEs can claim RDEC if they are subcontracted to carry out R&D work, if their project received notified State Aid, or if their costs have been subsidised by a grant or other support.
If these don’t apply, you might still be able to claim under the SME R&D tax relief scheme.
To Qualify Your Company Must:
- Be trading and liable to UK Corporation Tax.
- Run a project that meets the official R&D definition.
- Have qualifying R&D costs.
What Costs Qualify?
✔ Eligible costs include:
Staff who are directly involved in R&D, consumables and materials used, utilities and some overheads, software and data licences, and subcontracted R&D costs (subject to conditions below).
Subcontracted R&D and Location Rules
For accounting periods before 1 April 2024, subcontracted R&D costs can be claimed only if the work was contracted to your company by a large company or a person not liable to UK Corporation Tax (see CTA09/1134(3)(e), CTA09/1136(3)).
From 1 April 2024, only the company that decides to carry out the R&D can claim the relief, regardless of any subcontracting (see CTA09/1138A(2)).
To qualify for a subcontracted claim, your company must demonstrate it planned and decided on the R&D independently of the company you are working for. Payments to contractors normally qualify when the R&D takes place in the UK, though some exceptions for overseas R&D exist under the same legislation.
To explore our full range of Research & Development tax services , visit the Innovation Tax Reliefs page.
📞 Contact Tax Advisory Partnership using the form at the bottom of the page for specialist advice on the RDEC scheme and all aspects of research and development tax credit UK.
Innovation Tax Reliefs Team



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