Global calculator

R&D tax relief · United Kingdom

Illustrative planning only. Pair outputs with counsel and published standards in the compliance library. Prefer the guided path? Estimate → Verified shortlist → inquiry.

Inputs

Qualifying R&D expenditure

Claimant profile

Estimate

Recommended · GBPHighest net

£180,000

Merged RDEC (expenditure credit)

20% taxable credit, net of 25% corporation tax.

Effective benefit · 15.0% of qualifying spend

Qualifying expenditure
1,200,000
Claimant type
Profitable company
Tax rate applied
25%

Parameters as of 2026-07. Administering authority: HMRC. Primary source: Corporation Tax: R&D relief guidance. Program notes: standards library.

Illustrative estimate only, not tax advice. Actual outcomes depend on facts, current law, and qualified advice. Confirm parameters with the administering authority.

Next step: Index Verified shortlist and inquiry.

Continue with AI

Open your assistant with this exact estimate pre-loaded, its inputs, method, and sources, and a plan to pressure-test the numbers, build a documentation checklist, and draft adviser questions. The prompt is copied automatically so you can paste anywhere.

Shareable card ↗
Primary sourcesOfficial
HMRC logo
HM Revenue & Customs

Administering authority · gov.uk

Last verified 2026-07 · HMRC