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Knowledge Base Corporation Tax Research and Development Tax Relief

Research and Development Tax Relief

How to claim R&D tax relief to reduce your Corporation Tax bill for qualifying research and development activities.

Can Your Company Claim R&D Tax Relief?

Research and Development (R&D) tax relief can reduce your company's corporation tax bill or provide a cash payment if your business is working on innovative projects. But many company directors are unsure whether their work qualifies. This article explains what counts as R&D f...

5 min read

Getting Advance Assurance for R&D Tax Relief

If you're planning to claim R&D tax relief for the first time and want certainty that your claim will be accepted, you can apply for advance assurance from HMRC. This voluntary scheme lets you submit details of your research and development work in advance, and if HMRC agrees,...

5 min read

How to Calculate Your R&D Tax Relief

Calculating your R&D tax relief depends on your company size, when your accounting period began, and which scheme you're claiming under. This guide explains the step-by-step calculations for each scheme, including the rates and figures you need to work out how much relief your...

4 min read

How to Claim R&D Tax Relief on Your Company Tax Return

Claiming Research and Development (R&D) tax relief involves several steps that must be completed in the correct order and within specific deadlines. This guide explains the notification requirements, additional information you need to provide, and how to complete your Company...

6 min read

R&D Expenditure Credit for Large Companies

The R&D Expenditure Credit (RDEC) is a scheme that allows large companies and certain SMEs to claim tax relief on research and development costs for accounting periods that began before 1 April 2024. Unlike the SME scheme, RDEC provides a tax credit based on qualifying R&D exp...

4 min read

R&D Tax Relief for Small and Medium-Sized Enterprises

If your small or medium-sized company invests in research and development, you may be able to claim generous tax relief on your costs. The rules changed significantly in April 2024, with older schemes closing and new ones opening, so it's important to understand which relief a...

5 min read

What R&D Costs Can You Claim?

If your company carries out research and development work, you can claim tax relief on a range of qualifying costs — but only those directly related to resolving scientific or technological uncertainty. This article explains which staff costs, consumables, and other expenses a...

5 min read

What to Do If You've Overclaimed R&D Tax Relief

If you've discovered that your company has claimed too much R&D tax relief, you need to tell HMRC and repay the overclaimed amount as soon as possible. Acting quickly can help you avoid higher penalties and prevent additional interest from building up. HMRC has a specific disc...

5 min read