Change of https://www.gov.uk/guidance/corporation-tax-research-and-development-tax-relief-for-small-and-medium-sized-enterprises

Change description : 2025-10-13 15:44:00: Information about how to meet the intensity condition has been updated. [Guidance and regulation]

Showing diff : 2024-05-08 12:13:19.788815100 +00:00..2025-10-13 14:44:29.805372067 +00:00

Guidance

Research and Development (R&D) tax relief for small and medium-sized enterprises

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How outto aboutclaim Corporation Tax relief you can claim for costs on R&D if you're a small and medium-sized enterprise with an accounting period that starts before 1 April 2024. (SME).

Update history

2025-10-13 15:44
Information about how to meet the intensity condition has been updated.

2024-05-08 13:13
Added translation

2024-03-18 13:22
Information about how to meet the Research and Development (R&D) intensity condition for loss-making SMEs has been added.

2023-07-20 16:02
The ‘Staff costs’ section has been updated to include the treatment of bonuses and clarify that in some specific circumstances, you can claim for an element of administrative or support staff if they relate to an R&D project. The ‘Subcontractor costs’ section, second bullet point has been updated to tell you that you can claim for the relevant R&D costs if the subcontractor is connected to your company. The information on when you must submit an additional information form has been updated from ‘1 August 2023’ to ‘8 August 2023’, and the text regarding voluntary submission of the additional information form before the mandatory date has been removed in step 2 of section ‘Before you claim’.

2023-04-14 08:45
Added translation

2023-04-01 00:15
More information has been added about small and medium-sized company R&D tax relief, the companies that can claim, when you cannot claim and which costs qualify for tax relief. How to calculate the enhanced expenditure and how to claim have been updated. A new section has been added to tell you what you need to do before you claim the tax relief for accounting periods beginning on or after 1 April 2023 and for claims from 1 August 2023.

2022-08-05 17:57
Information about how to claim relief, including what you need to complete before using the online service to send details to support your claim has been updated in the ‘How to claim R&D relief’ and ‘How to support your claim’ section. The ‘Making of the R&D easier for small companies guide’ has now been removed from the ‘Overview’ section.