European Defence Companies Database

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SPH EngineeringRiga, Latvia

Develops drone mission planning software, onboard hardware and drone show technology used by survey teams and entertainment producers in 150+ countries.

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SUEXVillorba, Italy

Builds diver propulsion vehicles with integrated sonar, Doppler navigation and mission-planning software for military combat swimmers and special forces.

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STARNAVBretteville-sur-Odon, France

French dual-use navigation company developing MAGELLAN astro-inertial navigation for GNSS-jammed environments and RAPACE weapon calibration systems.

Sonovero R&DGoleniow, Poland

Develops quantum computing hardware and secure access platforms for military IT applications. Part of the PLN 56 million MIKOK consortium building modular quantum computer infrastructure for the Polish Armed Forces under NCRD funding.

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SOTIRIA TechnologyGreece

AI-powered maritime defence sensors using fluxgate magnetometers and hydrophones for underwater threat detection.

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Space InventorAalborg, Denmark

Aalborg satellite manufacturer building nanosatellite platforms, payloads and components for science, security and connectivity missions, with over 100 projects delivered since the early 2000s.

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SpacedripTallinn, Estonia

Estonian company developing automated wastewater treatment and water reuse systems for off-grid, urban, defence, and emergency applications.

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SpaceDySCascina, Italy

Space software company spun out of the University of Pisa in 2011, developing space surveillance and tracking, orbit determination and asteroid impact monitoring software. Operates the NEODyS and AstDyS services and builds systems for ESA and the Italian Space Agency.

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SpaceForestGdynia, Poland

Builds suborbital rockets, radar systems and space-grade electronics from its Gdynia facility. The 11.5-metre PERUN rocket reached 65 km altitude in its first three-stage test flight in November 2024.

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SpacemetricStockholm, Sweden

Swedish software company whose Keystone image management system processes satellite and airborne imagery for defence and civilian users. Supplies the Swedish Armed Forces UAV 03 intelligence cell and has maintenance contracts with SwAF TUAV 03.

SpartaqsWarsaw, Poland

Designs and manufactures military reconnaissance drones including the Spider Tube ultralight UAV that deploys from an 80mm tube in under 10 seconds. Actively supplies the Ukrainian Armed Forces and builds the XTerminator anti-drone system. Won the Leader of State Security 2018 award.

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Spectre Defence SolutionsWarsaw, Poland

Designs and integrates combat drone systems including the Spectre-1 VTOL reconnaissance UAV and fiber-optic guided kamikaze drones with 10-20 km range. Supplies military and specialist services with platforms for reconnaissance, transport and strike.

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SPEKONSeifhennersdorf, Germany

Military parachute systems manufacturer certified as a Bundeswehr aviation equipment supplier. Exports to over 30 countries and has produced parachutes for armed forces worldwide for over 70 years from its Saxony facility.

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Spes3DWarsaw, Poland

Provides metal and polymer 3D printing services for the defence sector using PBF-LB and MJF technologies. Produces heat exchangers, turbine components and custom military hardware.

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Sphere DefenseBrussels, Belgium

Sovereign European counter-UAS company building jet-powered drone interceptors with AI-driven autonomous guidance. Launched at BEDEX 2026 with kinetic intercept systems designed for critical infrastructure point defence.

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Spirit Aeronautical SystemsPiraeus, Greece

Piraeus-based unmanned systems company founded in 2020 as a subsidiary of Spirit World Group, producing the EMPUSA series of weaponized multicopters and the SARISA SRS-1A, the first multirotor UAV with 70mm rocket-firing capability.

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SpleenlabGermany

Spleenlab develops AI software for autonomous systems, including GPS-denied navigation, ISR, collision avoidance and drone autonomy for defence and robotics applications.

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SPX Communication TechnologiesUnited Kingdom

SPX Communication Technologies develops spectrum monitoring, tactical COMINT, RF jamming, maritime RDF and counter-UAS capabilities for defence and security environments.

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SquadronGdansk, Poland

Gdansk-based drone and counter-drone company providing UAV training, reconnaissance services and the EGIDA anti-drone protection system. Part of ASEL-TECH consortium.

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Squarehead TechnologyOslo, Norway

Builds passive acoustic detection arrays for drone, rocket, artillery and mortar threats. Discovair G2 microphone array uses 128 microphones plus optical camera for real-time threat localisation; partner of OSL on Norway's NOK 938M counter-UAS contract.

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SR RoboticsKatowice, Poland

Develops remotely operated and autonomous underwater robots for hull inspection, mine countermeasures and subsea infrastructure monitoring. Raised €8.4 million in 2025 from BGK-backed Vinci fund to scale dual-use underwater systems.

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SteelRock TechnologiesUnited Kingdom

UK counter-UAV manufacturer producing the NightFighter family of portable and vehicle-mounted RF jammers, effective against UAVs at ranges beyond 5 km and certified to UK Defence Standards. Systems are in operational service with military and security forces across multiple jurisdictions.

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Steen DefenseEskilstuna, Sweden

Sweden's first indigenous assault rifle manufacturer, building the SD1-MCR 5.56×45mm NATO combat rifle from a precision-engineering facility in Eskilstuna. Founded in 2022 and selling exclusively to government, military and security customers.

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STEKOPWarsaw, Poland

Polish autonomous military vehicle developer with over eight years of experience in unmanned ground systems. Builds the BLUSZCZ crewless mine-laying vehicle and TAERO patrol platform.

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SternulaAalborg, Denmark

Aalborg-based small satellite operator building the world's first commercial VDES constellation in low Earth orbit, providing AIS 2.0 maritime connectivity for coast guards, navies and shipping authorities. First satellite operational since early 2023.

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Steyr MotorsSteyr, Austria

Develops high-performance diesel engines with best-in-class power-to-weight ratios for military vehicles and naval vessels. Holds a €350M order backlog supplying engines for Rheinmetall's Panther main battle tank, with 110 employees in Steyr.

Stickleback RoboticsTallinn, Estonia

Autonomous marine drones for maritime surveillance and defence. Morpheus and Neo platforms carry 180kg payloads, operate at sea state 4 with thermal and sonar sensors, and coordinate as swarms.

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StirlingXCambridge, United Kingdom

Sovereign drone intelligence platform providing defence-grade autonomous BVLOS operations, multi-sensor capture and analytics for critical infrastructure and defence. Raised £8.3m seed in November 2025 led by Rokos Capital Management.

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StratoboticTurin, Italy

Turin startup founded in 2019 developing CubeHAPS, a reusable high-altitude pseudo-satellite operating at 20 km for persistent Earth observation, ISR and telecommunications. Incubated by ESA BIC Turin and a finalist at Tech Tour Deeptech and Defence 2024.

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StratosystPrague, Czech Republic

Czech High Altitude Pseudo-satellite developer operating at 18-20 km altitude for defence surveillance, border protection, Earth observation and telecommunications. Its Skyrider platform carries 30 kg payloads with 5 kW power for mission durations of weeks to months. Holds an aircraft design organisation approval.

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subdronVienna, Austria

Autonomous underwater drones for subsea surveillance and hull inspection using proprietary Relative Object Navigation technology. Generates 10,000+ data points per square metre for port security and critical infrastructure monitoring without manual intervention.

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SUBmerge BalticRiga, Latvia

Autonomous underwater drones for maritime defence and infrastructure protection. PIKE AUV covers 150km range at 500m depth with 20kg payload. Exhibited at DSEI 2025.

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SubSea CraftPortsmouth, United Kingdom

UK maritime technology company developing advanced surface and subsurface craft, including VICTA, MARS USV and CADDIS systems for contested littoral and defence missions.

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Subsea TechMarseille, France

Designs and manufactures mini-ROVs, USVs and underwater camera systems for marine inspection and defence. Twice awarded Best Defence SME by the French Ministry of Defence, with hull inspection and harbour security systems deployed across multiple countries.

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Summa DefenceFinland

Summa Defence develops and scales Finnish defence technologies, including ZEUS FPV drones, maritime systems, land technologies and XR near-eye display solutions.

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SunCubesMilan, Italy

Milan Polytechnic spin-off developing laser-based wireless power beaming systems that deliver 200W over 3+km distances to drones, sensors, and underwater platforms. Won the Italian Navy DEEP LIGHT project award in 2026 for powering autonomous underwater systems.

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SWEBALNora, Sweden

Sweden Ballistics AB is building Europe's first new TNT production facility since the 1990s in Nora, targeting 4,500 tonnes annual output by 2028 to supply NATO-standard explosives for European ammunition and drone warheads. Backed by EQT co-founder Thomas von Koch and ex-Chief of Army Karl Engelbrektson.

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Sweden DynamicsLund, Sweden

Tactical drone startup founded in 2025 by officers from elite ranger units in the Swedish Armed Forces. Builds a modular family of FPV, ISR and loitering drones including Rogue One, with production scaled via Swedish electronics manufacturer NOTE.

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Swedish OrdnanceHuddinge, Sweden

Manufacturer of linking and delinking systems, flash hiders, feed chutes and weapon-mount upgrades for M2 .50 cal and NATO machine guns. Over 30 years of weapons development experience with exclusive focus on defence and law enforcement clients.

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SweGaNLinköping, Sweden

Linköping University spin-out producing custom GaN-on-SiC epitaxial wafers based on its proprietary QuanFINE buffer-free structure. Wafers power defence radars, satcom terminals and military RF amplifiers, with €12M Series A and a Saab/Ericsson/Chalmers 6G partnership.

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Swiss Defense SolutionsZurich, Switzerland

Advanced live-fire training technology with ALPHA Technology. Precision training systems for military applications.

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SygnisWroclaw, Poland

Deep-tech company developing novel additive manufacturing technologies including direct ink writing and patented liquid FDM. Acquired 3D printer manufacturer ZMorph and supplied 20 printers to produce military equipment for Ukraine's armed forces.

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Synergy Simulation & TrainingSofia, Bulgaria

Bulgarian developer of modelling, simulation and training products covering air, land, sea, space and cyber domains. Listed in the National Catalogue of the Bulgarian Defence Industry; partners include BAE Systems, Bohemia Interactive Simulations and MASA Group.

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Syntony GNSSToulouse, France

Syntony GNSS develops positioning, navigation and timing technologies, including GNSS simulation, reception and coverage-extension systems for aerospace and constrained environments.

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Tactical WirelessUnited Kingdom

Tactical Wireless develops secure resilient communications systems for remote and poorly connected locations, including military and police support applications.

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Tactile DefenceStockholm, Sweden

Supplies rugged IT equipment, panel PCs, vehicle computers, tablets and laptops to Swedish military and security customers. Operates from a Stockholm-area facility with in-house development, integration and service.

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Taiga ABVarberg, Sweden

Develops durable functional workwear for military, police, ambulance and search-and-rescue operations across temperatures from +15C to -50C. Founded over 40 years ago and dual-branded as Torraka in North America.

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TantalitWarsaw, Poland

Develops AI-enabled command-and-control software for counter-drone operations, providing sensor fusion, automated targeting and multi-interceptor coordination. Partnered with WB Group and Nordic Air Defence for C-UAS integration in 2025.