Reaction Engines

Reaction Engines Limited

Company type	Private
Industry	Aerospace, Engineering
Founded	1989
Founders	Alan Bond John Scott-Scott Richard Varvill
Fate	Entered administration, 2024
Headquarters	Culham Science Centre, Oxfordshire, England
Key people	Richard Varvill (Chief Designer) Mark Thomas (CEO) Adam Dissel (President of Reaction Engines Inc.)
Products	Research & consultancy on propulsion systems for reusable space access and hypersonic flight Lightweight heat exchangers Precision engineering services
Website	www.reactionengines.co.uk

Reaction Engines Limited (REL) was a British aerospace manufacturer founded in 1989 and based in Oxfordshire, England.^[1] The company also operated in the USA, where it used the name Reaction Engines Inc. (REI).

REL folded into bankruptcy at the end of October 2024. Both REL and REI ceased operations and laid off the bulk of their staff.