Cambridge Aerospace’s $300M Series C lifts valuation to $3.4B

Cambridge Aerospace is a UK‑based air‑defence startup that designs and builds advanced defence systems for the British market. The two‑year‑old company announced a $300 million Series C financing round, which pushes its post‑money valuation to $3.4 billion. The round was led by US‑based investment firm DFJ Growth, a backer of SpaceX, and saw participation from Lux Capital, Accel, Lakestar and entrepreneur investor Elad Gil. No details on how the capital will be allocated were disclosed in the announcement. The funding milestone highlights the growing interest of Silicon Valley‑style investors in European deep‑tech defence ventures. By securing a sizeable Series C at a multi‑billion‑dollar valuation, Cambridge Aerospace joins a small but expanding group of UK defence startups that have attracted significant trans‑Atlantic capital. The company’s rapid rise to a $3.4 billion valuation within two years underscores both the strategic importance of modern air‑defence capabilities for the United Kingdom and the appetite of global venture firms to back such technologies. The involvement of high‑profile investors such as DFJ Growth, Lux Capital, Accel, Lakestar and Elad Gil signals confidence in Cambridge Aerospace’s technology roadmap and its potential role in reshaping the UK’s defence ecosystem.