Reaction Engines
Reaction Engines's Overview
Reaction Engines Limited is a British aerospace company at the forefront of developing next-generation propulsion systems. The company's flagship technology is the Synergetic Air-Breathing Rocket Engine (SABRE™), a revolutionary hybrid engine designed to enable aircraft to fly at over five times the speed of sound in the atmosphere or transition into a rocket mode for space access. Their innovations, particularly in precooler heat exchanger technology, are set to transform air travel, space launch capabilities, and other high-Mach applications. Reaction Engines is dedicated to pushing the boundaries of aerospace engineering to create a more connected and accessible world.
Where is Reaction Engines's Headquarters?
HQ Function
Primary hub for research, design, development, manufacturing, assembly, and testing of SABRE engine components and related technologies, as well as corporate operations.
Notable Features:
Advanced manufacturing facilities, state-of-the-art test sites including TF1 (Precooler Test Facility) and the under-development TF2 (Core Engine Test Facility), located within the Culham Science Centre campus renowned for cutting-edge research.
Work Culture:
A dynamic and innovative environment fostering collaboration, problem-solving, and a pioneering spirit. Employees are typically highly skilled engineers, scientists, and technicians passionate about aerospace and groundbreaking technology.
HQ Significance:
The Culham HQ is critical as the nerve center for the development of the SABRE engine, housing unique testing infrastructure vital for validating the revolutionary technology. It represents a key asset in the UK's aerospace and space sector.
Values Reflected in HQ: The HQ embodies the company's commitment to innovation, technical excellence, rigorous testing, and pioneering spirit in tackling complex engineering challenges.
Location:
Reaction Engines primarily operates from its UK headquarters for R&D and manufacturing. Its global presence is expanding through strategic partnerships with international aerospace leaders like BAE Systems, Rolls-Royce, and Boeing, collaborations with space agencies (e.g., ESA, UK Space Agency), and a US subsidiary (Reaction Engines Inc.) in Colorado to engage with the North American market and conduct testing. Their technology has global implications for high-speed flight and space access.
Street Address:
Building F5, Culham Science Centre
City:
Abingdon
State/Province:
Oxfordshire
Country:
United Kingdom
Reaction Engines's Global Presence
Castle Rock, Colorado, USA
Address: Reaction Engines Inc., Suite 200, 425 N. Wilcox St., Unit #140, Castle Rock, CO 80104, USA
To engage with the North American market, including NASA, US Department of Defense, and commercial aerospace partners, facilitating the adoption and development of SABRE technology in the US.
Watkins, Colorado, USA
Address: Colorado Air and Space Port (Test Site), 37501 E Quill Ave, Watkins, CO 80137, USA
To conduct critical engine technology tests in a suitable environment with access to necessary infrastructure and airspace, supporting development validation for US applications.
Buying Intent Signals for Reaction Engines
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Executive Team of Reaction Engines
As of April 2025, Reaction Engines' leadership includes:
Investors of Reaction Engines
Reaction Engines has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
Reaction Engines has strengthened its leadership team over the past year with key appointments in finance and operations to support its growth and development of the SABRE program. No major publicly announced executive departures have been noted in this period.
New Appointments:
Technology (Tech Stack) used by Reaction Engines
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Reaction Engines Email Formats and Examples
Reaction Engines Limited primarily uses the `firstname.lastname@reactionengines.co.uk` email format for its employees. Variations such as `finitiallastname@reactionengines.co.uk` might exist but are less common. General inquiries can often be directed to role-based addresses like `enquiries@reactionengines.co.uk` or through contact forms on their official website.
firstname.lastname@reactionengines.co.uk
Format
jane.doe@reactionengines.co.uk
Example
85%
Success rate
News and media
Reaction Engines Website • November 1, 2023
Reaction Engines Limited Completes Key Test Campaign for U.S. Hypersonic Program
Reaction Engines successfully completed a pivotal test campaign for its U.S. Department of Defense (DoD) funded hypersonic program. The tests, conducted at its Colorado facility, validated key precooler technology performance under high-Mach flight conditions, advancing its application for U.S. defense needs....more
Reaction Engines Website • July 19, 2023
Reaction Engines Limited’s Technology Selected by DoD to Enhance Hypersonic Test Capabilities
Reaction Engines Inc. was selected by the U.S. Department of Defense (DoD) Test Resource Management Center (TRMC) to deliver a high-Mach advanced heat exchanger network. This technology will significantly enhance the DoD’s hypersonic ground test capabilities, supporting future development of advanced aerospace systems....more
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