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Reaction Engines

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Developer of next generation aerospace engines

Abingdon, United KingdomFounded 1989Space
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Reaction Engines and the history behind them.

About Reaction Engines

Reaction Engines is a cutting-edge technology company specializing in advanced propulsion systems and sustainable technologies. The company operates in the aerospace and defense markets, serving clients ranging from government agencies to commercial enterprises. Its core product, the SABRE engine, is designed to revolutionize air and space travel by making it more efficient and sustainable. Reaction Engines generates revenue through partnerships, technology licensing, and direct sales of its innovative solutions. The company's business model focuses on leveraging its proprietary technology to create sustainable thermal management solutions and high-speed aircraft propulsion systems. Key clients include aerospace giants like Rolls Royce and defense agencies such as DARPA. Reaction Engines aims to accelerate the world's transition to net zero by applying its space technology to various industries, enhancing efficiency and sustainability.

Source: Dealroom company data

At a glance

Founded
1989
Headquarters
Abingdon, United Kingdom
Sector
Space

Investors

11 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

  • UK Research and Innovation
  • UK Export Finance
  • Advanced Propulsion Centre UK

Series A5 investors entered at this stage

  • BAE Systems
  • Woodford Investment Management
  • AEI Horizon X
  • Baillie Gifford
  • Rolls-Royce

Series B and later3 investors entered at this stage

  • Swiss Helvetia Fund
  • The Strategic Development Fund
  • Silversky
Team profiled 19 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇬🇧 United Kingdom95.5%
🇺🇸 United States4.5%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Reaction Engines on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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