Reaction Engines Limited

Reaction Engines is a privately held technology Company pioneering sustainable technologies, high-speed flight and space.  The Company is based in Culham, Oxfordshire, UK and Denver, Colorado, US and employs over 250 staff across its sites.

We have developed ground-breaking thermal management technologies that provide a step change in performance, efficiency and sustainability across a range of industries including energy, motorsport, aerospace and electric vehicles. 

We are innovators and disruptors; leveraging our technology to respond to the scientific and technical challenges posed by the sustainability and net zero imperative.

The Company’s SABRE-derived aerospace propulsion systems will enable significantly enhanced air-breathing flight performance, allowing the development of more sustainable propulsion systems, more capable high-speed vehicles and offer increased responsiveness and system reusability. 

Reaction Engines’ revolutionary thermal management solutions have the potential to elevate life on Earth.

More information about Reaction Engines can be found at