Quantum Systems is a German deep-tech company founded in 2015 and headquartered in Gilching near Munich, specialising in the development, production, and scaling of electric vertical take-off and landing (eVTOL) unmanned aerial systems (UAS). The company's flagship products — including the Vector, Twister, Trinity, and RELIANT — combine long-endurance fixed-wing efficiency with multi-rotor VTOL convenience, and are equipped with AI-driven autonomy, edge computing, and real-time object detection for ISR and mapping missions across defense, security, and commercial sectors.

Originally focused on civilian geospatial and agricultural applications, Quantum Systems pivoted strongly toward dual-use defense after Russia's 2022 invasion of Ukraine, where its systems have completed over 19,000 missions. The company has since expanded its product family beyond aerial platforms to include ground robotics (the MANDRILL UGV via acquisition of FERNRIDE) and maritime systems (Seavex and Subvex), all unified by its MOSAIC UXS software ecosystem for multi-domain autonomous operations.

Quantum Systems operates globally with facilities in Germany, the United States, Australia, Ukraine, Romania, the United Kingdom, and the Baltics, serving government agencies, militaries, and commercial customers. The company has been selected for programs including the U.S. Army's Vector AI for Brigade Combat Teams and Japan's Counter-UAS Proof-of-Concept Program, and is a founding member of the EU-Ukraine Drone Alliance. As of mid-2026 the company is profitable and valued at approximately $8 billion post-money.