Defense Tech Startups

MORAI builds a digital twin simulation platform for developing, validating, and certifying ADAS and autonomous systems, enabling engineering teams to generate reproducible, regulator-aligned validation evidence. It serves automotive and defense organizations, with a phased rollout across Korea, EMEA, and global markets.

3 investors

MPCH builds and operates cryptographic infrastructure for signing authority and key management, combining purpose-built secure facilities, hardware-backed signing, and software-defined governance. It serves financial institutions, digital asset custodians, governments, and defense clients, and operates as a founding infrastructure provider to the Canton blockchain network.

3 investors

Mutable Tactics builds "Mastermind," an AI-in-a-box central subsystem that coordinates diverse, low-cost third-party robotic platforms into a unified squad by centralizing sensing, reasoning, and compute. It targets defense and battlefield applications, enabling collaborative robotics to operate in contested, communications-denied environments.

3 investors

NextNav builds positioning, navigation, and timing (PNT) services using spectrum as a complement and backup to GPS, addressing vulnerabilities in indoor, urban, and critical infrastructure environments. The company proposes terrestrial 3D PNT services and mobile broadband in the Lower 900 MHz band to improve national security and enable commercial opportunities.

3 investors

Noble Gas Systems develops and manufactures conformable high-pressure gas storage vessels for transportation and stationary applications in commercial, aerospace, and defense markets.

3 investors

Overwatch Imaging develops sensor autonomy software and smart sensors for airborne intelligence missions, delivering real-time imagery processing and automated detection capabilities for government and commercial customers worldwide. The company serves wildfire mapping, disaster response, law enforcement, border security, and tactical intelligence operations.

3 investors

Paratus builds AI software that automates administrative and busywork tasks for U.S. military operational teams. The product aims to reduce admin burden so mission-critical teams can maintain readiness.

3 investors

Periphery develops embedded security technology to protect cyber-physical systems in critical infrastructure from sophisticated threats. The company uses intelligence-led models and centralized AI to enable faster threat detection and identification across distributed edge devices.

3 investors

Phoenix Semiconductor recreates late-generation, legacy, and mature microelectronic components to address the shortage of domestically manufactured legacy chips. It supplies trusted, domestically produced chips to government and commercial partners, including U.S. Department of Defense programs.

3 investors

PiLogic builds domain-specific probabilistic AI models for critical dual-use aerospace and defense applications such as electrical diagnostics, radar analysis, and sensor fusion. Its inference engine aims to deliver precise, fast results on standard hardware without the compute demands of large language models.

3 investors

Post-Quantum develops quantum-safe cryptographic solutions and standards for protecting sensitive communications and critical infrastructure against quantum computing threats. The company serves government, defense, and enterprise organizations worldwide with production-ready technologies used in NATO communications and critical infrastructure protection.

3 investors

Qubic develops quantum hardware designed to improve RF sensing and quantum information systems by addressing signal quality, measurement sensitivity, and thermal constraints.

3 investors

RAD engineers advanced systems architecture for next-generation marine platforms, serving the offshore, defence, and oceanographic sectors. The company specializes in intelligent control systems and scalable architecture for marine robotic vessels.

3 investors

Radia is developing the WindRunner, an aircraft designed to carry oversized cargo—with roughly 10x the volume of a 777 and the ability to land on unpaved runways—for energy, defense, and other large cargo applications.

3 investors

Raven Space Systems develops Microwave Assisted Deposition (MAD) 3D printing technology to manufacture aerospace-grade thermoset and ceramic composite structures, thermal protection, and related parts. Its automated process targets aerospace and defense applications such as hypersonics, propulsion systems, reentry vehicles, satellites, aircraft, and missiles.

3 investors

Redwire is an integrated aerospace and defense company building space infrastructure, autonomous aircraft, and multi-domain operations technology using digital engineering and AI automation. It serves government and defense customers such as NASA, DARPA, the U.S. Space Force, and the U.S. Army, delivering solar arrays, spacecraft platforms, navigation systems, optical imaging, and space-based R&D and manufacturing.

3 investors

Rhea develops SPARROW, an autonomous navigation system for air, land, and sea vehicles that operates independently of GPS in denied environments using computational algorithms and optical sensors. The system provides position, navigation, and timing for military and mission-critical applications in GPS-denied or contested battlespaces.

3 investors

Safran is an aerospace and defense manufacturer supplying aircraft equipment such as landing gear, nacelles, wiring, avionics and navigation systems, along with aircraft interiors, engines for airplanes and helicopters, defense systems, and space technologies. It serves airframers, commercial and military aviation, armed forces, and space missions.

3 investors

Salem Robotics develops autonomy software for robotic radiological surveys and inspections in nuclear and hazardous environments. The platform automates route planning, radiation measurement collection, and compliance reporting on existing robot hardware to reduce worker exposure and improve data consistency.

3 investors

SE3 Labs builds spatial AI that gives machines real-time 3D reconstruction and spatial understanding so they can perceive, reason, and act autonomously, controlled through natural language. The company focuses on autonomous systems for defence applications, positioning itself as a Europe-based AI partner.

3 investors

SecuLetter is a content security company that protects against malware and threats hidden in files and documents, serving public sector, financial, and defense customers. The KOSDAQ-listed cybersecurity firm is expanding its content security category since its 2023 listing.

3 investors

Sigen AI develops a video integrity platform that turns live or recorded feeds into tamper-evident, cryptographically verifiable assets with object-level signing, role-based encryption, and real-time redaction. It serves defense, intelligence, public safety, and law enforcement operations, and also targets retail analytics, smart city, and AI-training use cases.

3 investors

Splash9 manufactures autonomous surface vessels (ASVs) for maritime applications including coastal defense, harbor patrols, seabed mapping, and infrastructure security. The company builds scalable drone-boats with autonomous navigation, long-range capability, and multi-mission payload flexibility for government, military, and commercial customers.

3 investors

SplashOne presents itself as a gated "defense system" that requires requesting access credentials, but the page provides no concrete detail about what it builds.

3 investors