Defense Tech Startups

Scipio builds a supply chain logistics platform designed for contested, battlefield environments, giving commanders and planners visibility into asset location and delivery timing. It targets defense logistics teams and joint/allied operations that need resilient coordination under real-world pressure.

1 investor

Scura builds a counter-drone defense system that uses onboard EO/IR sensors and multiple re-stageable effectors to detect and neutralize uncrewed aerial threats. Its platforms coordinate shared tracks and effector pools across sites to protect critical infrastructure and high-value assets.

1 investor

Seadronix develops AI-based systems for the maritime industry, including autonomous navigation, navigation assistance, and port monitoring, focused on port-vessel connectivity and autonomous shipping. Its products serve ports and shipping operators, with expansion into naval defense applications.

1 investor

Seaflight develops autonomous electric drones and aircraft with advanced aerodynamic technology for cargo logistics and defense applications. The company specializes in ground effect uncrewed systems, active aerodynamic flow control, and autonomous flight systems for extended range and payload capacity.

1 investor

Seeing Systems develops intelligent unmanned systems and autonomous drone platforms for advanced defense applications, combining AI and robotics expertise to deliver cost-effective solutions for training and contested military operations.

1 investor

Sensofusion is an anti-drone technology company that combines hardware and software solutions to detect, track, and neutralize unauthorized drones. The company serves government, military, and critical infrastructure operators worldwide.

1 investor

Sensorz builds SWORD, an orchestration platform for electromagnetic spectrum operations that closes response loops in real time and integrates with third-party systems such as anti-drone activation, jamming, intelligence gathering, and alerting. It targets military and battlefield defense operators seeking automated or manual responses to spectrum events.

1 investor

SentiSystems builds SentiNAV, a GNSS-denied navigation and sensor-fusion system with plug-and-play modules that provide precise positioning for ships, drones, and vehicles in environments where GPS is jammed, spoofed, or unavailable. The company serves maritime, defense, industrial automation, and space customers, with applications ranging from autonomous ferries to lunar landers, and is based in Trondheim, Norway.

1 investor

SeRo Systems provides hardware and software for airspace surveillance and RF spectrum monitoring, including ADS-B/MLAT receivers and its SecureTrack platform for detecting GPS jamming and spoofing. Its solutions serve aviation operators monitoring air traffic, GNSS interference, and RF spectrum congestion, along with related engineering and consulting services.

1 investor

Shared Spectrum Company develops dynamic spectrum access, spectrum sharing, and situational awareness technologies for reliable wireless communications in challenging RF environments. It serves defense and government customers, including U.S. Department of Defense programs such as JADC2 and 5G spectrum sharing.

1 investor

UFORCE builds autonomous defense systems, including combat-proven platforms used in the Russia-Ukraine War for missions in contested environments. The company pairs advanced AI software with hardware and is expanding from Ukraine to NATO allies and the U.S.

1 investor

Shift provides end-to-end development of autonomous maritime systems, covering mission design, hardware assembly, sensor and payload integration, field deployment, and long-term sustainment. It serves governmental agencies, defence organizations, technology companies, and research initiatives for maritime security and environmental monitoring operations.

1 investor

Shiratech is a Germany-based software engineering partner that develops embedded systems, safety-critical applications, AI-powered solutions, and multi-sensor data fusion. It offers complete product development and team-extension engineering services across industries, including defense and aerospace-related domains.

1 investor

SiFly builds NDAA-compliant, fully-electric VTOL drones with long endurance (over 2 hours in hover, 3 hours in forward flight) and heavy-lift capacity as an alternative to light utility helicopters. Its autonomous rotorcraft serve mapping, inspection, logistics, search & rescue, and public safety operations with onboard intelligence and remote-operation networking.

1 investor

Sightec builds software-first visual autonomy and navigation for drones, enabling GPS-free (GNSS-denied) flight and real-time situational awareness that can be added to existing platforms with minimal hardware changes. Its NavSight system serves governments, OEMs, system integrators, and service providers across aerospace and defense, security, and delivery applications.

1 investor

Signalink provides engineering, technical, logistical, and programmatic support services to the aerospace and defense sectors.

1 investor

SilentSignals develops AI-based tools for detecting fake images and videos (Deepfake Hunter) and for targeted OSINT and threat/sentiment intelligence analysis. It serves forensic analysts, government agencies, and intelligence teams, offering tools built on platforms such as OpenAI ChatGPT, Google Gemini, and Python.

1 investor

Simplesense builds a platform delivering "Continuous Mission Assurance" that provides unified visibility across installation infrastructure and security for defense installation leaders and operations centers. It serves military service branches, federal agencies, and critical infrastructure environments.

1 investor

Skana Robotics builds autonomous maritime platforms and a software-defined "system of systems" — powered by its SeaSphere and Vera products — that unifies command, control, and coordination for naval forces across subsurface, surface, and shoreline domains. It targets modern military and naval operations, positioning its autonomous systems as force multipliers for manned fleets.

1 investor

Sky Spy develops signals intelligence (SIGINT) technology for real-time RF tracking in contested electromagnetic environments on the battlefield. Built by combat veterans and engineers, its system is designed for military and defense use and was developed and tested using data from active combat zones in Ukraine.

1 investor

SkyGrid develops third-party airspace services and automation software that integrate advanced air mobility (AAM) and highly automated, uncrewed aircraft into shared airspace. It aggregates high-performance datasets into a common operating picture and provides decision-support tools for aircraft operators.

1 investor

Skylark Labs builds on-board AI software that lets drones, robots, and vehicles operate autonomously in the field without human oversight or cloud connectivity, using self-learning models it calls CFAMs. Its Kepler platform integrates real-time sensor data for threat detection and perimeter security across defense, border security, public safety, critical infrastructure, and campus environments.

1 investor

Snigel is a Swedish manufacturer of personal equipment for law enforcement, military, and civilian users, including modular backpacks, pouches, belts, combat and ballistic protection vests, and medical gear. Its in-house team develops customised carrying and protection solutions, supplying organisations such as the Swedish, German, Ukrainian, and French armed forces.

1 investor

Sovereign.ai builds Aurora, an intelligence and analytics SaaS platform that ingests open-source intelligence, geolocation metadata, and other data sources to map multidimensional relationships between entities such as social media aliases, cryptocurrencies, facial recognition, voice signatures, and locations. It uses a byte-level AI approach and a visual interface to help intelligence analysts find connections and make decisions.

1 investor