European Naval & Maritime Companies

UnseenlabsRennes, France · 50-100

Operates a LEO satellite constellation that detects radio frequency signals from ships at sea, tracking dark vessels that disable AIS transponders to avoid detection.

TEKEVERLisboa, Portugal · 100-500

Builds fixed-wing unmanned aerial systems and an intelligence-as-a-service platform used by European maritime safety agencies, border forces and defence customers for long-endurance surveillance missions.

AR5

A medium-altitude, medium-endurance fixed-wing UAS measuring 7.3 by 4.0 metres with 20 hours of endurance, a 50 kg payload capacity and unlimited communications range via satellite link. Designed for maritime patrol, border surveillance, search and rescue, and land surveillance over large geographic areas from unprepared airstrips. TEKEVER secured a €30 million framework agreement with EMSA to operate AR5 as Europe's first UAS-based maritime surveillance service.

AR3

A configurable fixed-wing UAS built for ship-launched and land operations, available in a catapult-launched version or with a hot-swappable VTOL fixed-wing capability. The AR3 has been deployed in Ukraine for long-range ISR missions and has appeared in operational service with multiple defence customers. Its modular design allows mission-specific payload and configuration changes.

ATLAS

TEKEVER's intelligence-as-a-service platform that handles pre-mission planning, live data streaming during flight and post-mission analysis. It runs in a browser with no software installation, providing real-time video feeds, AIS vessel cross-referencing, object identification and mission annotation. ATLAS turns raw UAS sensor output into actionable intelligence for decision-makers.

ExailParis, France · 1001-5000

Builds autonomous mine countermeasures systems, unmanned maritime vehicles and inertial navigation systems for navies and armed forces worldwide.

Lobster RoboticsDelft, Netherlands

Designs, manufactures and rents autonomous underwater drones for high-resolution seabed inspection, serving both offshore industry and naval forces.

north.ioKiel, Germany · 51-200

Builds cloud platforms for managing, processing and sharing underwater sensor data, serving naval, offshore wind and marine surveying organisations.

Gabler MaschinenbauLübeck, Germany · 51-200

Submarine technology specialist that has equipped every Class 209 submarine built with its hoistable masts, delivering 900+ units to navies worldwide. Developing torpedo-tube-launched USVs (Ranger recon and Raider strike) with FLANQ for NATO naval forces.

Maritime RoboticsTrondheim, Norway · 51-200

Builds autonomous navigation systems and uncrewed surface vessels for maritime surveying, oceanographic research and defence operations.

The Otter

A compact 62 kg electric catamaran USV for sheltered and coastal waters, with up to 20 hours endurance and 30 kg payload capacity. Powered by four battery packs and two electric thrusters for zero-emission operations, it can be assembled by one person and transported in a cargo van. Used for bathymetric surveying, harbour security, scientific data collection and environmental monitoring in rivers and inland waterways.

The Mariner X

An open-ocean USV engineered for deep-water and harsh offshore environments, including Arctic and floating wind farm operations. At 9 metres and 5 tonnes it carries 1,200 kg of payload with 25 days of fuel endurance and a modular back deck for deploying AUVs, sonars and launch-and-recovery systems. Deployed by offshore operators including Argeo for long-range seabed mapping.

Radical BuildersAmsterdam, Netherlands · 1-10

Develops unmanned vessels (USVs) for maritime operations with autonomous capabilities. Their first vessel is a solar-powered drone harvester for seaweed and marine debris cleanup operations.

AEROMARITIME SystembauNeufahrn bei Freising, Germany · 51-200

Naval communications systems integrator supplying 45+ navies worldwide. Builds the APCOS 4000 open-architecture ship communication system and SAMMS secure military messaging, with specialisms in submarine antenna systems.

Baltic WorkboatsNasva, Estonia · 51-200

Estonian shipyard building aluminum naval patrol vessels for the Estonian Navy and international customers. Delivered 200+ vessels to 20+ countries including the Navy 45 WP with remote weapon stations.

Navy 45 WP

A 44.6-metre hybrid aluminium naval vessel with 3,000 nm range, MTU 16V4000 engines reaching 30 knots, and a crew capacity of 28 including a RHIB daughter boat compartment, built for the Estonian Navy.

EUROGUARD USV

A 45-metre semi-autonomous modular surface vessel being developed under the European Defence Fund with 27 partners from 10 countries, featuring autonomous navigation, obstacle detection, and mission-configurable modules, with launch scheduled for 2026.

Pilot 1500 WP

A 15-metre wave-piercing pilot boat with patented hull design that reduces vertical acceleration by 40% and improves fuel economy by up to 30% compared to traditional hulls, delivered in a series of 11 to Denmark.

Blue Armada RoboticsGdansk, Poland · 11-50

Builds autonomous and unmanned surface vessels for maritime infrastructure monitoring and defence. Selected for NATO DIANA as the only Polish company focused on marine security, with hybrid-electric vessels capable of two-week autonomous missions.

Blueye RoboticsTrondheim, Norway · 1-50

Designs and manufactures professional underwater ROVs in Norway for defence, inspection, aquaculture and marine research, serving customers in 40+ countries.

Cestron InternationalBerlin, Germany · 11-50

Designs, manufactures and commissions HF radio communication systems and antenna infrastructure for military and government customers. One of Europe's leading integrators for naval ship-to-shore HF comms covering VLF through UHF bands.

Cross Water ProductionMuhu, Estonia

Swedish-Estonian modular workboat platform for defence, security and industry. Aluminium hull with rail-mounted modules that reconfigure in under ten minutes for border patrol, special operations, SAR and naval support.

DolpropSweden

Marine electric propulsion technology for naval and defence vessels, improving stealth and efficiency. NATO DIANA 2025 cohort.

dotOceanBruges, Belgium · 11-50

Develops cutting-edge cloud robotics technology for autonomous navigation of vessels and multi-agent systems, offering maritime situational awareness and automated operations through cloud-based user interfaces.

ELAC SONARKiel, Germany · 51-200

Designs and manufactures sonar systems for naval submarines and surface vessels, with nearly 100 years of hydroacoustic engineering based in Kiel, Germany.

ELNA GmbHTangstedt, Germany · 11-50

Manufactures rugged MF/HF military and submarine antennas under the DUK brand. Installed on naval fleets worldwide including the German Navy. Founded 1952, all products made in Germany near Hamburg.

ElwaveCarquefou, France · 11-50

ELWAVE designs, manufactures and sells electromagnetic detection, navigation and characterization systems based on innovative "electric sense" technology for underwater and industrial robotics.

EnamorGdynia, Poland · 51-200

Maritime electronics spin-off of Gdynia Maritime University producing navigation, communication and automation systems for the Polish Navy and commercial fleets. Holds NATO SECRET clearance and employs 98 specialists.

EUROATLASHamburg, Germany · 11-50

Builds the Greyshark family of autonomous underwater vehicles for long-range ISR and subsea infrastructure protection. The hydrogen-powered Foxtrot variant can operate for 16 weeks covering 11,000 nautical miles. Partnered with Rheinmetall for coastal defence integration.

EvoLogicsBerlin, Germany · 51-200

Designs biomimetic underwater robots and acoustic communication systems for naval and offshore operations. Products include autonomous underwater vehicles inspired by penguin locomotion and dolphin-based acoustic modems for subsea positioning. Founded in 2000 in Berlin.

FLANQRostock, Germany · 11-50

Designs and manufactures autonomous uncrewed surface vessels for naval defence including the Q-RECON series and underwater vehicles. Combines AI-powered Q-MIND autonomy software with maritime hardware for coastal surveillance and special forces operations.

HavguardLeknes, Norway · 1-10

Develops AI-enabled technologies for real-time multimodal underwater communication and submarine detection, specializing in magneto-inductive wireless communication systems to protect critical underwater infrastructure.

Hefring MarineReykjavík, Iceland · 11-50

AI-powered marine intelligence company providing real-time vessel guidance and fleet management systems (IMAS) to enhance safety, fuel efficiency, and sustainability for commercial and defence vessels.

HydromechPomlewo, Poland · 51-200

Manufactures military hydraulic systems, mobile antenna masts, levelling supports and power units for tanks, armoured vehicles and naval vessels. Holds AQAP 2110 NATO quality certification and a special production concession from the Polish Ministry of Interior.

KNL NetworksOulu, Finland · 11-50

Finnish maritime IoT connectivity company that developed secure mesh network technology for global maritime communications. Acquired by Telenor Maritime in 2020.

CNHF Manpack

Portable tactical wideband HF radio with cognitive spectrum sensing, receiving over 4,000 calling channels simultaneously, supporting data rates up to 300 kbps with AES256 encryption and SATCOM-denied operation.

CNHF1 Radio

Rack-mounted cognitive HF radio system that receives the full HF spectrum at once, listens to 2,500+ calling channels simultaneously, and establishes links in under one second with wideband data rates up to 153 kbps.

CNHF Evolve

A compact 600g turn-key device that upgrades legacy HF and VHF radios from any vendor with KNL cognitive waveform, AES256 encryption, and modern digital services including webmail, without replacing existing equipment.

Kraken Technology GroupLondon, United Kingdom · 51-200

British company developing disruptive maritime capabilities including advanced littoral, surface, and subsurface autonomous platforms for defence and commercial applications using cutting-edge composite materials and rapid prototyping.

K3 Scout

An 8.4m autonomous USV with 55-knot top speed, 650 NM range, and 600 kg modular payload capacity, available in three variants up to the 18.6m MAX with 10,000 kg payload and 2,000 NM range.

K4 Manta

An all-electric foiling uncrewed surface-subsurface vessel (USSV) that transits at up to 45 knots on the surface before submerging to 10m depth for covert ISR, loitering, or strike missions.

K5 Kraken

A 15.25m armed maritime precision engagement platform hitting 65 knots, carrying twin 7.62mm remote weapon stations, four multi-role missiles, and four aft-launched torpedoes for crewed or autonomous operations.

MARSS GroupLondon, United Kingdom

NiDAR autonomous threat detection and command platform for maritime surveillance and critical infrastructure protection.

MindchipTallinn, Estonia · 11-50

Estonian AI company developing autonomous vessel technology with real-time decision-making capabilities for maritime operations and defence applications.

Mobile MonitoringPoland · 1-10

Polish environmental monitoring platform deploying proprietary USV drones, ROV underwater drones, AI-powered cameras and sensor buoys for waterway surveillance, critical infrastructure protection and environmental threat detection.

NautrikStockholm, Sweden · 11-50

Develops maritime drone platforms and autonomous systems for naval and commercial marine applications. Specializes in unmanned maritime vehicles for surveillance.

NEWT21Riga, Latvia

Latvian unmanned surface vehicle manufacturer engineering advanced USVs and composite solutions for critical maritime defence and civilian missions.

SEABEREspoo, Finland

Finnish maritime software company providing AI-assisted fleet scheduling and optimization platform for bulk and breakbulk shipping to reduce inefficiencies, costs, and environmental impact.

SeacrasZadar, Croatia

Provides suite of marine environmental and coastal surveillance solutions using satellite-derived oceanographic data and AI to detect pollution hazards and support ESG reporting.

SEATOM TechnologiesPorvoo, Finland

SEATOM Technologies develops modular micro-nuclear reactor systems for marine and extreme environments. Selected for NATO DIANA's Operations in Extreme Environments cohort, SEATOM offers the OCEAN-SMR™ system for naval and seabed operations, supporting the maritime industry's transition to Net Zero.

Skarv TechnologiesTrondheim, Norway · 1-10

Develops software and hardware solutions for autonomous robotic systems operating in marine environments, specializing in mission-critical applications that require high degrees of self-dependence and robustness.

SOTIRIA TechnologyGreece

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

SR RoboticsKatowice, Poland · 11-50

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.

Stickleback RoboticsTallinn, Estonia · 1-10

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.

SUBmerge BalticRiga, Latvia · 11-50

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

Team-ConceptBielsko-Biala, Poland · 11-50

Polish manufacturer of special vehicles, aluminium boats and landing craft for the Polish Armed Forces and special operations units. Produces the Wirus 4 SOF tactical vehicle.

Uni-SafeWedel, Germany · 11-50

Builds military inflatable boats and rigid-hull inflatables for special forces, rescue services and naval operations. Based near Hamburg, the company has designed customized boats for government agencies and security forces since 1987.

ZelimEdinburgh, United Kingdom · 11-50

Zelim develops intelligent maritime safety and rescue technology to make oceans, seas and waterways safer. The company provides advanced detection, tracking, and alerting systems including ZOE (intelligent detection system), SWIFT (rapid man overboard recovery system), and GUARDIAN (uncrewed rescue vessel). Zelim serves the cruise/passenger and offshore energy sectors with ISO 9001 certified solutions.

ZURADOstrow Mazowiecka, Poland · 51-200

Manufactures radar equipment and marine navigation radars, originally established in 1978 as part of the RADWAR electronics group. Produces equipment and systems for military and dual-use security applications.