European Defence Companies Database

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DataCrunchHelsinki, Finland

Operates a European GPU cloud platform for AI training and inference, with data centers in Finland and Iceland running on 100% renewable energy. Now trading as Verda.

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DCubeGenoa, Italy

Builds optronic aiming systems, anti-sniper detection, diver navigation and semi-autonomous vehicle control systems for armoured vehicles, ships and underwater operators.

VUHLCANA driver vision system that lets crews of armoured vehicles operate with hatches closed, using day and night cameras mounted around the vehicle to feed an immersive head-tracking display. Development ran from 2018 to 2020 under a contract with the Italian Army, which took delivery of five systems by 2022 for its Centauro 2 eight-wheeled mobile gun system, with a further 150 systems anticipated for 2024. The system underwent more than 2,000 kilometres of testing in day, night, on-road and off-road conditions.View productsNEPTUSMAHRSGAPPI

Delian Alliance IndustriesAthens, Greece

Builds autonomous surveillance towers, electronic warfare systems, loitering munitions and GPS-denied navigation for counter-drone and area denial operations across Europe's borders.

DelkiaUnited Kingdom

Delivers safety-related control, instrumentation and mission systems for UK nuclear facilities and defence platforms across naval, air and land domains.

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DonaustahlHutthurm, Germany

Builds loitering munitions, drone avionics and UAV warheads from Hutthurm, Bavaria, with a focus on sovereign European production and field-proven systems.

DrassLivorno, Italy

Designs and manufactures submarine rescue systems, saturation diving equipment and hyperbaric oxygen therapy chambers for navies, special forces and commercial diving operators.

DefendecTallinn, Estonia

Wireless AI-powered perimeter surveillance sensors for border and military base protection. Deployed in 30 countries securing NATO and EU external borders. EUR14.7M annual revenue.

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deltaVisionGermany

German aerospace startup developing cryogenic fluid management systems, valves, pumps and orbital refuelling technology for reusable launch and space mobility.

DonecleLabège, France

Builds fully automated drone inspection systems for civil and military aircraft, cutting full airframe inspection time to under one hour.

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DAT-CONPolzela, Slovenia

Slovenian manufacturer of mobile, stationary and portable surveillance systems for border, perimeter and critical infrastructure protection. Founded 1992 in Polzela, technology deployed by Frontex in air, coastal and land border protection missions.

Dataline LabsUnited Kingdom

UK data and AI startup developing MIRA AI for natural language querying across disparate enterprise datasets. Selected for Digital Catapult's Defence Testbed Accelerator with the MoD to build secure Technical Data Pack connectors for defence supply chains.

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DBOXPanevezys, Lithuania

Builds autonomous drone-in-a-box docking stations with AI-powered software for automated perimeter security and infrastructure monitoring. Tested by the Lithuanian army for counter-surveillance operations. Won Public Security Solution of the Year at Lithuania's Defence and Security Industry Awards 2025.

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DEAS Cyber+Rome, Italy

Italian cyber defence company focused on protecting national security, critical infrastructure, and government institutions. Employs around 147 specialists across cyber projects, products, services and training for the Italian Ministry of Defence and security agencies.

DECPTNivå, Denmark

Nanostructured multispectral camouflage technology featuring wavelength-selective nanostructures imprinted in foil for thermal signature reduction and visual concealment. Mass-producible stick-on foil solutions adaptable to any platform across domains with newspaper-print-like production capabilities.

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Deep Space EnergyRiga, Latvia

Latvian space startup developing radioisotope power systems for satellites and lunar missions, selected for NATO DIANA programme and backed by ESA contracts.

DefendEyeKrakow, Poland

Polish manufacturer of fully autonomous, AI-powered tube-launched drones for emergency response and defence, requiring no remote control and launching in under 10 seconds.

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DefentureTiel, Netherlands

Designs and manufactures specialist military vehicles including the GRF (VECTOR) light tactical vehicle and Mammoth multirole combat platform. Supplies the Royal Netherlands Army and German Bundeswehr from its production facility in Tiel.

DEFSENSEMadrid, Spain

AI-powered system of hyperrealistic synthetic training environments in Extended Reality (XR) designed for training, monitoring, and evaluation of military personnel, security forces, law enforcement, and emergency services. Integrates cutting-edge technology with Unreal Engine for immersive training simulations.

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DefshellMontichiari, Italy

Brand of G&G Partners producing rapidly deployable field shelters, ROLE 1 field hospitals, command posts and hangars using carbon-hybrid materials. Supplies NATO deployable command centres and civil emergency services. Founded in 2008 in Montichiari.

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DeftakTallinn, Estonia

Ukrainian-Estonian defence technology startup developing next-generation high-precision ammunition for drones and unmanned aerial vehicles, with GPS-independent targeting capabilities.

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DefTechBanská Bystrica, Slovakia

DefTech is a Slovak defense company founded in 2014, developing unmanned aerial vehicles and ground-based military systems. The company produces the Wolf 25 AD air defense system equipped with AESA radar capable of tracking 150 targets simultaneously, along with tactical armored vehicles. DefTech is investing €42 million in a production facility near Banská Bystrica.

DelfoxBordeaux, France

AI-first startup specializing in artificial intelligence and deep reinforcement learning to develop learning and autonomous systems for aerospace, space, and defence applications.

DeloxLisbon, Portugal

Biotechnology company developing portable bio-decontamination solutions, particularly the Delox Box system using hydrogen peroxide vapor technology for sterilization.

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Delta DefenceBratislava, Slovakia

Slovak defence integrator specializing in automated ammunition production lines (60-155 mm), armoured vehicle modernization, and rocket launcher systems. Has cooperated with BAE Systems and Diehl Defence on IFF, MOKYS C3, and RM-70/85 modular projects for the Slovak Army.

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DeltaOrbitMunich, Germany

DeltaOrbit develops next-generation in-space propulsion systems using advanced cryogenic Methane/Oxygen technology. Their satellite engines provide superior agility and endurance for multi-orbit operations, interceptions, and evasions, enabling allied forces to win maneuver warfare in space.

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Denchi GroupThurso, United Kingdom

Caithness-based engineering firm designing rugged lithium-ion battery systems for the global defence industry, with 20+ years supplying the military. Key products include the BB2590 smart battery and 6T lithium-ion vehicle battery.

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DencryptHvidovre, Denmark

Provides NATO-approved end-to-end encrypted voice, video and messaging through the Dencrypt Connex app and Server System, using proprietary Dynamic Encryption combined with AES-256. Common Criteria EAL4+ certified and used by NATO and the Danish Defence.

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DestinusHengelo, Netherlands

Destinus is a European defence manufacturer building scalable strike and air-defence systems, including interceptors, cruise systems and deep-strike platforms.

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DetegasaNarón, Spain

Galician manufacturer of waste, water and fuel treatment systems for navy, marine and offshore. Defence accounts for 60% of sales, supplying 29 navies including the Spanish, Royal Australian, Royal and Royal Norwegian navies.

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DevDroidUkraine

Ukrainian defence robotics company developing remote combat UGVs, weapon modules and Droid Box control software for battlefield control, fire support and safer frontline operations.

DeViRoKyiv, Ukraine

Produces the Leleka-100 reconnaissance drone (340 km range, 5-hour endurance) and Bulava strike UAV used by 90% of Ukrainian aerial reconnaissance units. Has manufactured over 10,000 UAVs since 2022 and trained 2,500 military operators.

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DGTBydgoszcz, Poland

Manufactures military-grade digital communication systems and field telephone exchanges for the Polish Armed Forces since 1991. Systems have been deployed on Polish military missions in Afghanistan, Iraq, Kosovo and other theatres.

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DilectroWarsaw, Poland

Supplies unmanned aircraft, anti-drone systems and integration software for business and public administration clients. One of the oldest B2B drone suppliers in Poland, operating since 2011.

Direct ActionWroclaw, Poland

Polish manufacturer of modular tactical gear for NATO special operations forces, including plate carriers, chest rigs and combat uniforms. Products used by SOF units in over 40 countries.

Disruptive IndustriesLondon, United Kingdom

Multi-use technology company developing closed-source intelligence systems and threat detection platforms, focusing on OSINT capabilities and situational awareness solutions.

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Distance TechnologiesHelsinki, Finland

Glasses-free mixed reality for defence vehicles, aircraft and helmets, turning windshields into 3D lightfield displays fused with thermal, radar and battlefield management data. Raised €13.9M led by Google Ventures, partnered with Patria, Supacat, General Dynamics and Aechelon.

DK UnityRiga, Latvia

Latvian defence and security company providing FPV drone systems, video monitoring and analytics, portable power storage, and autonomous power generation across the Baltics.

DobbelgängerOulu, Finland

VTT spin-off founded in 2022 building lightweight, mobile battlefield decoys that mimic authentic radar and thermal signatures through printed electronics and advanced materials. Raised roughly €920,000 from FiBAN angels and Lifeline Ventures and won the FiBAN Pitch Finland DefSec 2024 competition.

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Dogfight BossPrague, Czech Republic

Czech manufacturer of high-fidelity simulator hardware for aviation and vehicle training, including HOTAS systems, instrument panels, multifunction displays, mission computers and full control stations. Delivers turnkey integration with third-party motion platforms and visualization suites.

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DolpropSweden

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

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Domo Tactical CommunicationsWhiteley, United Kingdom

Domo Tactical Communications develops tactical wireless communications, MANET networking and video links for defence, public safety, unmanned systems and mission-critical operations.

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dotOceanBruges, Belgium

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.

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Drone BandLondon, United Kingdom

UK counter-drone company building the Crown, a sub-100-gram 3D-printed FPV drone attachment that physically captures rogue multirotor drones mid-air without jamming or pyrotechnics. Patents pending in the UK, Hong Kong, EU and US.

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Drone Fight GroupUkraine

Drone Fight Group develops and supports FPV drone systems and tactics using operational experience from Ukraine’s drone warfare environment.

Drone FrançaisFrance

French sovereign drone electronics manufacturer building flight controllers, ESCs, and complete FPV platforms. Products include the Uriel tactical FPV drone at EUR 500 and the SIDE reconnaissance drone, all designed without foreign component dependencies for NATO forces.

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Drone Rescue SystemsGraz, Austria

Autonomous parachute recovery systems for multicopter drones weighing 2-25 kg. Non-pyrotechnic deployment in seconds at low altitude, used in military and security UAS operations for payload protection and controlled landing.

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DronehubRzeszow, Poland

Builds autonomous drone-in-a-box systems with docking stations capable of automatic battery replacement for non-stop missions. Works with the European Defence Agency and ESA. First in the world and only European manufacturer of autonomous battery-swap docking stations.

DroneRadarWarsaw, Poland

Built one of the world's first operational national UTM/ATM systems, used by the Polish Air Force and civil aviation since 2015. Provides drone airspace management infrastructure integrated with Poland's PansaUTM system.