RDEC is available to all companies that don’t meet the criteria to be an SME. That means all large companies but also includes SME companies that are excluded from claiming under the SME Scheme because they have been subcontracted to by a Large or international company or by an individual or partnership, or because their R&D has been subsidised. Subsidies generally come in the form of significant upfront payments on a fixed price contract, a one off payment to support an R&D project, where there is mutual interest from the company offering the subsidy and also where the company has received a grant that covers some or all of the project.

Depending on the nature of the grant all of the eligible project costs will only be claimable under RDEC. Where the grant is EU State Aid or granted under the General Block Exemption Regulations then regardless of the aid intensity (percentage of costs covered) of the grant, all of the projects costs will be claimed under RDEC.

For other grants, or subsidies, the unfunded amount of R&D Eligible costs can be claimed under the SME scheme.

A company can claim for all of the costs that qualify except payments to corporate entities (subcontractors) as part of their RDEC Claim.

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What makes a business qualify? | The difference between the RDEC and SME schemes | How to calculate RDEC | RDEC FAQs

What makes a business qualify for the RDEC scheme?

To qualify for the RDEC tax relief, your businesses needs to be carrying out R&D work. This is defined as carrying out a specific project that looks for an advance in either science or technology.

The government sets out specific rules regarding what qualifies as R&D work, and these include stipulations that the work must find an uncertainty, attempt to overcome that uncertainty, and that this work couldn’t be easily carried out by someone in the field. It is on these projects that you can claim R&D tax relief.

It is also important to note that there are actually two separate R&D tax relief schemes – the RDEC and the SME scheme.

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What is the difference between the RDEC and SME schemes?

In simple terms, the SME scheme is for smaller businesses and the RDEC is for larger businesses. In practice, qualifying companies for the RDEC scheme are considered to have more than 500 members of staff, as well as either more than €100m turnover or €86m gross assets.

An important distinction between the two is that unlike in the scheme for SMEs, the 13% rate remains the same, this has increased to 20% from 1st April 2023, whether your business is making a profit or a loss.

It should also be noted that in some cases, SMEs can claim tax relief through the RDEC scheme due to restrictions around some grant-related projects in the SME scheme.

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Alex Pawle
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We went through the discovery call process with Simon and his team. We felt well advised through the complexity of R&D tax claims, and would certainly recommend Cooden to other SMEs.
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Cooden is five stars! Simon and his team stepped in to help our business with a complex R&D tax relief application. Simon’s attention to detail is second to none. His understanding of the nuances of tax law is impressive, and I’ve had the privilege of seeing his reporting first-hand. It’s not often you work with a team that exceeds your expectations, but Cooden has. I’m impressed and you will be too.
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Narciso Baldo
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Simon and the team at Cooden are fantastic to deal with. Responsive, knowledgeable and friendly, they're expertise and insights in all things R&D have been invaluable to us. Highly recommend.
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Exceptional expertise and insight! Simon provided invaluable advice during our exploratory call. Their depth of knowledge and clear communication greatly enhanced our understanding. Truly grateful for their guidance
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Excellent advice and support. Simon is clearly highly experienced and knowledgable on all things R&D related.
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I had the pleasure of working with Simon, and I couldn't be more pleased with the exceptional accounting and R&D relief advisory services he provided. Simon's expertise in navigating the complex landscape of R&D relief schemes with HMRC is truly commendable. Simon's deep knowledge and dedication to his work were evident throughout our collaboration. He demonstrated a keen understanding of the intricacies of R&D relief, and his ability to guide us through the process was greatly appreciated!
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Simon was extremely helpful with our R&D tax claim, would highly recommend you speak to him if you have any concerns.
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Simon and the team at Cooden Tax Consulting are a pleasure to deal with, friendly knowledgable and efficient. (On behalf of iPrescribe Exercise Digital Ltd)
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I have had a great experience working with Simon and his team at Cooden Tax Consulting. We have used them multiple times, highly recommended, friendly experts.

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How to calculate RDEC

In theory calculation your RDEC tax relief is simple – but some of the most complex aspects of the process are in understanding exactly what you can claim for, and ensuring that you are maximising the potential of your claim.

To calculate your qualifying expenditure:

  • Establish the costs that you can directly attributable to R&D (see above
  • Reduce to 65% of the original cost of subcontractor or external staff
  • provider payments where relevant
  • Add your costs together
  • Multiply the figure by 13% to get the expenditure credit
  • Put this figure into your tax return

If your relevant R&D spending is £100,000, you will receive an estimated tax refund of £10,530. This figure comes from 13% of the £100,000 (£13,000) minus the 19% corporation tax rate.

Contact Us

Contact Us Today

If you would like to learn more about the RDEC R&D tax relief scheme, the team at Cooden would be happy to help. We have extensive experience helping businesses get as much out of their tax relief claims as possible – we can do the same for you. You can call us on 01424 225345 or email us at info@coodentaxconsulting.co.uk for more information.

Research & Development Expenditure Credit FAQs

Does my business qualify for the SME or Large Company Scheme?
What is the Research & Development Expenditure Credit (RDEC)?
SME subcontracting – can I make a tax credit claim?

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