Unlocking the future of space access, hypersonic travel.
And beyond.

Flying faster. Going further.
Making giant leaps in understanding.

The development of SABRE is enabling us to go beyond the limits of flight both within and outside the atmosphere. Every breakthrough is making space and hypersonic travel more efficient, more accessible, more possible.

But that’s only the beginning. We’re also creating pioneering applied technologies that have the potential to change the face of a wide range of commercial industries – from aerospace and automotive to energy.

Our innovative approach brings together brilliantly curious minds, leading edge technology and a passion to reimagine what’s possible.

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Our partners.

Our innovative technology has the backing of some of the most influential names in aerospace and finance. We’re supported by the UK Government, UK Space Agency and European Space Agency and our US team are working with US Government and industry partners. There’s really never been a better time to join us on the journey.







As Reaction Engines unlocks advanced propulsion that could change the future of air and space travel, we expect to leverage their revolutionary technology to support Boeing’s pursuit of hypersonic flight.
Steve NordlundVice President, Boeing HorizonX

We look forward to working with REL and assisting with the development of their technology, and we plan to incorporate this technology into our own future products.
Paul SteinChief Technology Officer, Rolls-Royce

Reaction Engines locations and facilities.

Reaction Engines

U.S subsidiary office based in Littleton, Colorado.

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Test facility 2 (TF2)

HTX test programme location at Front Range Airport, Colorado.

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Head Quarters

Main office location on Culham Science Centre campus, twenty minutes from the Harwell Space Gateway and thirty minutes from Oxford City centre with excellent links to London.