Engineering R&D tax credits

R&D tax credits for engineering projects

Engineering claims often depend on whether the team had to overcome genuine technological uncertainty in the product, process, or system.

Start with the R&D tax credit calculator for a quick value estimate, or the 30-second eligibility checker if you're not sure your work counts.

Examples to review

Prototype design, tolerance challenges, material constraints, process optimisation, performance testing, and production methods may qualify when the solution was not readily deducible.

Cost areas

Staff, consumables, testing, software, subcontracted R&D, and externally provided workers can be relevant, subject to the detailed scheme rules and accounting-period facts.

Evidence that helps

Drawings, test results, failed approaches, technical meeting notes, supplier correspondence, change logs, and prototype records help link the claim to real problem solving.

Real example

Engineering & manufacturing5+ yearsof successful claims, reinvested in equipment and IT

Quality Castings

Foundry supplying aerospace and defence: moulding process development, tooling design and finishing process testing.

“They're professional and make everything straightforward.”Keith Bonsor, Managing Director
Read the case study on easyrnd.co.uk

Case studies, figures and quotes as published by EasyRND (checked September 2026). Every claim is different; these are not typical results or a promise of what you'll get.

Before you claim

Important note

R&D tax relief depends on scheme rules, company facts, accounting periods, and HMRC evidence standards. Treat this page as research support, not tax advice.