Cambridge Aerospace in talks to raise $300M at $3.5B valuation, DFJ Growth set to lead
What's the deal? Cambridge Aerospace, a British defence-tech startup that builds systems to shoot down drones and cruise missiles, is in talks to raise around $300M at a $3.5B valuation. The Financial Times first reported the fundraising in March 2026, putting it at about $200M for a valuation north of $1B. Bloomberg has since reported sharply higher terms — roughly $300M at around $3.5B — with venture firm DFJ Growth in discussions to lead the round.
If it closes at that level, the deal would value the 18-month-old company at nearly nine times the $400M valuation it raised at a year ago — before it had shipped a single product. The financing is not finalised and terms could still change.
Founded in late 2024 by University of Cambridge aerospace professor Steven BarrettDealroom has a profile for this one. Try Dealroom →, the company is developing two interceptor drones. The Skyhammer is tube-launched with a range of up to 30km and a top speed of 700km/h. It has been in testing since early 2025 and is entering early-stage production. The Starhammer is rocket-powered and built to catch faster missiles.
Backers include Accel, Lakestar, Lux Capital, and Spark Capital.
Why now? Cheap drones have rewritten the economics of air defence. A low-cost interceptor can down an unmanned aircraft for a fraction of the price of a traditional missile, which can run into the millions. The wars in Ukraine and the Middle East have proved the concept on the battlefield.
In April, the UK signed a supply deal with Cambridge Aerospace for hundreds of Skyhammer systems — an early government contract that helps explain investor appetite. NATODealroom has a profile for this one. Try Dealroom → militaries are now actively hunting for cheaper ways to counter drone threats, and startups are rushing to fill the gap.
A funding surge is sweeping European defence tech. Berlin's Stark is raising €300M at a €2.5B valuation. Paris-based Alta Ares raised €50M for AI-powered interceptors. A Cambridge Aerospace round at the reported terms would place a UK name near the top of that table.
What could go wrong? Cambridge Aerospace is barely 18 months old and only now moving its first product into early production. A $3.5B price tag assumes the order book — and the war-driven demand behind it — holds. Defence procurement is notoriously slow and unpredictable, and government contracts can shift with political winds.
The round is still in talks, Cambridge Aerospace has declined to comment, and DFJ Growth has not responded to press enquiries.
The signal: Europe's defence-tech re-rating is accelerating. Investors are pricing young startups like incumbents, betting that the drone threat has permanently changed military spending priorities. Whether that confidence runs ahead of what these companies have actually delivered is the central question this deal puts on the table.
Sources: Financial Times · Bloomberg
