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R&D Tax Credits:

Specialist research and development tax consultants

Try our R&D Tax Calculator and find out how much you can claim

      Potential Tax Deduction:

      £ 00,000.00*

      Please note that the estimates provided by this R&D calculator are based on the information you have provided and should not be solely relied upon for making a claim for Research and Development (R&D) Tax Credits. The calculator may not fully account for all factors that could affect your eligibility for these credits, and the information provided is of a general nature and should not be construed as legal, accounting, or tax advice. It is recommended that you seek advice from a qualified professional for specific guidance on your unique situation. Use of this calculator is at your own risk.

        *By clicking next you accept the terms and conditions.

        Thank you for using our R&D calculator!

        One of our R&D experts will reach out to you to schedule a call in the next 48 hours.

        Please note that the estimates provided by this R&D calculator are based on the information you have provided and should not be solely relied upon for making a claim for Research and Development (R&D) Tax Credits. The calculator may not fully account for all factors that could affect your eligibility for these credits, and the information provided is of a general nature and should not be construed as legal, accounting, or tax advice. It is recommended that you seek advice from a qualified professional for specific guidance on your unique situation. Use of this calculator is at your own risk.

        We help innovative businesses unlock significant savings through R&D Tax Credits. Our track record speaks for itself as we’ve secured over £1 billion in R&D Tax Relief for our UK clients. Working with a specialist R&D Tax consultancy gives you the peace of mind that all eligible costs will be identified and compliantly included in your claim.

        Does my business qualify?

        1- Businesses carrying out research and development work are present in almost every sector, from software development and food production to construction and agriculture.

        2 – The SME R&D Tax Credits and RDEC schemes can be used by organisations liable for corporation tax in the UK who meet the necessary criteria.

        3- Small and medium-sized enterprises (SMEs) can claim R&D Tax Credits through the SME scheme. To qualify, the business must have less than 500 staff and a turnover of under €100m (or €86m net assets).

        4 – Large businesses, SME’s with a high turnover, or subcontracted SMEs and large companies can claim Research and Development Expenditure Credit (RDEC).

        5 – Your project(s) must have looked for an advance in science and technology but have faced uncertainty with achieving this – and you must show that you’ve at least tried to overcome the uncertainty. You must show that you’ve at least tried to overcome the scientific or technological uncertainty. You will also need to explain how a professional in the field could not have easily worked out your advancement.

        Already claiming R&D Tax Credits?

        Our specialist R&D tax consultancy has a track record of uncovering eligible costs often overlooked by in-house teams, accountants, or generalist tax consultancy firms.
        We’re more than tax experts, our specialists have industry experience which means that they can go beyond the obvious and identify a wider range of qualifying R&D expenses. This expertise will ensure that you don’t miss out on the full potential of your R&D Tax Credits claim.

        Start optimising your claim with Leyton 🡪

        Our R&D Tax Credit services



        Introducting LEYTON FOR ME

        An innovative app to digitise, streamline and simplify your claim process!

        Leyton for me allows you to follow your R&D claim process and interact easily with your consultant

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        How do we help our clients ?

        We’re the UK’s largest innovation funding consultancy. We help businesses secure financial incentives for their research and development projects.

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        R&D Tax Credits

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        How do you claim R&D Tax Credits? keyboard_arrow_down keyboard_arrow_up

        Our tax and technical consultants will help your business get the most out of your R&D Tax Credits claim. Their specialist field experience means we can dig deep into the details and identify qualifying expenditure to maximise your R&D Tax Credit claim.

        We’ve been saving UK businesses time and money for over 12 years. We prioritise compliance, giving our clients confidence and peace of mind.

        What are the benefits of claiming R&D Tax Credits? keyboard_arrow_down keyboard_arrow_up

        Are you developing a new process, a product or service, or perhaps improving an existing one? The R&D Tax Credit scheme is an important HMRC incentive that rewards companies on innovative projects. You can reinvest this financial benefit in current or upcoming research and development projects, hiring new staff and supporting your overall growth.

        After a successful claim, your tax credits are paid directly to you from HMRC, helping your business’ cash flow. Our payment terms are tailored around your business needs.

        Use our R&D Tax Credits calculator to discover how much you can claim.

        What do R&D Tax Credit specialists do? keyboard_arrow_down keyboard_arrow_up

        R&D Tax Credit specialists help organisations identify and document their eligible research and development activities for claiming tax relief. With their specialised scientific, technological and tax knowledge, they can guide you through often complex and ever-changing R&D tax regulations, ensuring that companies maximise their claims by accounting for every activity for which they can receive relief while confirming that everything is compliant and risk-free.

        What are the different types of R&D Tax Credits? keyboard_arrow_down keyboard_arrow_up

        For accounting periods that end on or before 31 March 2024 there are two HMRC schemes for claiming R&D Tax Credits: the SME R&D scheme and R&D Expenditure Credit (RDEC).


        To qualify for the SME R&D scheme, a business generally needs fewer than 500 employees and a turnover of less than €100m or €86m net assets. There is also a subcategory of the SME Scheme for loss-making SMEs that meet a 30% R&D intensity threshold (rising to 40% for accounting periods starting on or after 1 April 2024). Large companies and certain SMEs can claim RDEC.


        A new merged RDEC-like scheme for all will comes into effect for accounting periods starting on or after 1 April 2024.

        How are R&D Tax Credits changing from April 2024? keyboard_arrow_down keyboard_arrow_up

        For accounting periods starting on or after1 April 2024 there will be a new merged R&D tax relief scheme. This scheme will offer a standard credit rate of 20% for most companies. Loss-making SMEs heavily invested in R&D may still qualify for a slightly higher rate. Find out more by reading our explainer: How R&D Tax Credits are changing from April 2023 and April 2024.

        How can Leyton help? keyboard_arrow_down keyboard_arrow_up

        – R&D Tax Credits provide an often-vital cash injection for businesses. To date, Leyton UK has helped thousands of clients successfully claim more than £900m in R&D Tax Relief.

        – Our extensive industry, sector and tax expertise means we have a deep understanding of what HMRC regards as acceptable for claims.

        – We match every client with highly qualified sector-specific and financial consultants to unlock the full benefit available.

        – Our vast in-house resources mean that we are normally able to work with you to your deadlines.

        – Our clients have access to Leyton4Me – a way to digitise, streamline, secure and simplify your claim.

        How can we compliantly maximise our R&D relief? keyboard_arrow_down keyboard_arrow_up

        We have stringent compliance standards and processes in place to ensure that we secure the maximum financial benefits for our clients, while minimising risk.

        Our financial consultants are FCA qualified, conduct extensive financial and business due diligence, and regularly engage with HMRC. Our in-depth sector and tax experience also significantly reduces risk for our clients. Our processes are overseen by our in-house GDPR and Compliance Officer and Senior Tax Lawyer.

        While our enquiry rates remain exceptionally low, we also offer free HMRC enquiry defence for our clients.

        How do we claim R&D Tax Credits? keyboard_arrow_down keyboard_arrow_up

        Our clear step-by-step process will help your organisation claim R&D Tax Credits for your innovative projects:


        1. Introduction
        Consultancy team introduction and key claim stakeholder identification. Basic R&D eligibility assessment and delivery timeline agreed.

        2. Financial Discovery
        Introduction to expenditure categories, R&D project expenditure data provision, financial document provision.

        3. Technical Scoping
        Review and discussion of all eligible projects, selection of key project(s) for claim substantiation (case study).

        4. Claim Package
        Compilation of technical and financial documentation, internal quality audit and resolution of queries.

        5. Submission
        Final documentation sign-off, tax benefit option agreement, detailed submission guidance and additional submission support.

        Talk to our R&D Tax Credit specialists

        As a business, we want to help unleash out clients’ potential and be a strategic partner in their evolution and growth, We help find openings in processes and ways of working that others can’t see, then unlock these opportunities to create genuine value.

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