Defined term
RDEC
Also: Research and Development Expenditure Credit
The UK's Research and Development Expenditure Credit.
The Research and Development Expenditure Credit is a UK above-the-line credit on qualifying R&D costs. Historically it applied primarily to large companies, while a separate SME relief existed. Under the UK merged R&D scheme era, RDEC-style mechanics apply more broadly, with Enhanced R&D Intensive Support (ERIS) available to certain loss-making R&D-intensive SMEs. Confirm current rates, caps, and scheme elections with HMRC guidance.
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Educational definition only. Not tax or legal advice. Confirm current program rules with official guidance and a qualified adviser.