Defense Tech Startups

Fivecast provides AI-enabled open-source intelligence software that collects and analyzes online data to surface security risks and actionable insights. It serves government, national security, defense, law enforcement, corporate security, and financial intelligence organizations across APAC, the US, and EMEA.

4 investors

Fortastra builds low-cost, maneuverable spacecraft designed to defend infrastructure in orbit, combining commercial components with custom engineering. Its systems use open-architecture software to autonomously sense, maneuver, coordinate, and respond to orbital threats when human operators cannot stay in the loop.

4 investors

Furientis develops low-cost interceptor munitions and precision guidance systems, including multimodal seekers and solid rocket motors engineered for high-volume manufacturing. It designs and flight-tests defensive missile hardware aimed at the defense and aerospace sector.

4 investors

Galadyne develops liquid-propulsion strike and defense platforms for military applications, including the Striker medium-range strike vehicle and Defender missile defense system, along with Outpost ground and ship-based launch infrastructure.

4 investors

Geosite operates an enterprise SaaS platform that aggregates public and commercial geospatial data, such as satellite imagery, into a searchable marketplace with integrated data management and collaboration tools. It serves commercial customers like oil and gas companies as well as military users such as US Special Operations, supporting planning, logistics, and operational tracking.

4 investors

Holocron Technologies presents itself as a defense-oriented technology company using slogans about being "the digital arsenal of democracy." The page provides no concrete details about its products or services.

4 investors

HonuWorx develops uncrewed subsea robotics and communications platforms to replace surface vessels in offshore operations, serving oil and gas, offshore wind, and defence sectors. The company targets reducing costs, risk, and emissions for subsea services.

4 investors

Hop Aero develops rocket-based cargo delivery systems designed to transport supplies to remote or contested locations at high speeds, primarily serving U.S. military and allied defense applications.

4 investors

Istari Digital provides an agentic engineering platform that connects tools, teams, and environments to coordinate, validate, and certify complex mission-critical systems across distributed and classified engineering environments. It serves organizations in air, sea, space, energy, and transportation sectors, aiming to shorten validation cycles while maintaining security and control over sensitive data.

4 investors

Kawa operates a satellite constellation that collects radio frequency signals and provides geolocation intelligence for national security, maritime domain awareness, and land-based applications. The company delivers RF geospatial intelligence data and software tools to government and defense customers through its Kawa Studio platform.

4 investors

Kymeta develops flat-panel satellite antennas and connectivity terminals, including its u5 and u8 product lines, that switch between LEO and GEO networks for mobile land and maritime use. It serves commercial customers as well as the U.S. Department of Defense and government agencies with communications hardware and managed connectivity services.

4 investors

Larx builds a decision intelligence platform, offered via an API and a natural language interface, with edge-ready deployment options. The company focuses on AI-driven decision intelligence software.

4 investors

Light Links develops Wi-OW, an optical wireless communication technology positioned as an alternative to RF-based wireless for AI-driven connectivity. The company builds hardware and networking infrastructure for next-generation wireless data transmission.

4 investors

Lola Vision Systems develops edge AI processors purpose-built for defense applications, designed to deliver AI capabilities for military platforms in contested environments with emphasis on security and reliability. The company serves warfighters and defense platforms requiring tactical edge AI for mission-critical decision-making.

4 investors

Lucix designs and manufactures RF electronic modules and assemblies for satellite payloads, airborne systems, and ground stations across commercial, civil, and defense applications. The company produces components spanning 10 MHz through V-band frequencies, all designed and manufactured in California facilities.

4 investors

Lux Semiconductors develops metal core substrates for defense and aerospace electronics that provide enhanced thermal management and high-speed signal routing for applications including aircraft, space assets, and terrestrial vehicles.

4 investors

Mara designs and manufactures autonomous systems and defense technology for government and military applications, including tactical drones and related hardware.

4 investors

Mesodyne develops patented electricity generation technology, including LightCell, for military and commercial users requiring portable and durable power solutions.

4 investors

Milliray develops millimeter-wave radar systems designed to detect, track, and classify small unmanned aircraft systems that conventional radar misses. The company serves airports, critical infrastructure operators, defense agencies, and VIP protection teams across defense and counter-UAS applications.

4 investors

Moonware develops software for airfield operations automation, including HALO, a real-time operations control tool for managing ground operations, resources, and scheduling. It serves the passenger, cargo, defense, and advanced air mobility sectors, with additional products for military airbase command-and-control (NOVA) and vertiport coordination (ORION & ATLAS).

4 investors

Orbital Composites develops composite materials and structures for aerospace applications, including the STARFIGHTER X modular drone platform designed for efficient flight across various regimes and speeds.

4 investors

Oso Semiconductor develops power-efficient, high-performance beamforming chipsets for wireless systems using phased-array (electrically steered) antennas, based on ultra-low-loss beamforming IP. Its technology targets SATCOM active electronically scanned arrays, defense and portable communication systems, drones, and 5G/6G and automotive radar markets.

4 investors

Ouros Energy is an American battery company that controls the full stack from mineral sourcing and cell chemistry through cell manufacturing and delivery. It develops active materials, cylindrical and pouch cells, and domestic production capability for defense and civilian markets.

4 investors

Owl AI develops image sensing technology, with expertise spanning low-noise imaging, data converters, and hardware DSP for applications in the automotive, consumer electronics, and defense markets.

4 investors