The merged R&D expenditure credit and ERIS – for accounting periods beginning on or after 1 April 2024
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For accounting periods beginning on or after 1 April 2024, the old SME and RDEC schemes were replaced by two reliefs: the merged R&D expenditure credit scheme (a taxable credit of 20% of qualifying spend for every company) and enhanced R&D intensive support, ERIS (an extra 86% deduction and a 14.5% payable credit for loss-making SMEs that spend at least 30% of their costs on R&D). Getting a claim right means identifying the projects that really are R&D, apportioning staff time, applying the rules for contractors, agency staff and overseas work, testing intensity, working through the payment steps and meeting strict deadlines for the claim notification and additional information form. This workbook does all of that and shows which scheme gives you more.
See how it works
The sheets you will use most, in the order you will use them – shown with the sample data every workbook comes with.
Step 1
The company, period, profits, SME and intensity figures, PAYE and claim dates. What you do: fill in once per period.


Step 2
The project register and narratives, with qualifying costs pulled from the other sheets. What you do: add each project and its narrative.
Step 3
Staff costs and time on each project. What you do: add each person and their time split.


Step 4
Every other R&D cost with the restrictions applied. What you do: add each invoice or monthly total.
Who it is for
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