Aerospacelab Designs, manufactures and operates end-to-end satellite systems, with a vertically integrated platform family built for constellation-scale production. VSP-150 A 150kg low Earth orbit satellite platform designed for high-volume constellation deployment. Six VSP-150 units are already in orbit, hosting optical Earth observation and RF sensing payloads. The platform is optimised for pointing accuracy, stability and maneuverability, and is manufactured using industrialised, repeatable processes. VSP-50 VSP-300 Earth Observation Payloads View products Space & Satellites Mont-Saint-Guibert 100-500 2018 Ajax Systems Builds wireless and wired security alarm systems, IP cameras and fire detection products sold in 180+ countries, with deep roots in Ukraine and a wartime air-raid alert platform reaching millions of civilians. Ajax Baseline Intrusion Protection A range of wireless indoor and outdoor intrusion detectors, motion sensors, door and window contacts, and control panels for residential and commercial installations. Built on the Jeweller radio protocol with a stated range of 2,000 metres and device battery life of up to seven years. Available to all Ajax partner installers without special accreditation. Ajax Superior Intrusion Protection Ajax Video Surveillance Ajax Fire and Life Safety View products Cybersecurity Kyiv 1000+ 2011 DataWalk Graph and AI investigation platform that fuses siloed data into a unified knowledge graph, used by defence agencies, national intelligence services and financial institutions to uncover hidden networks and conduct complex investigations. Graph AI Platform DataWalk's core investigations platform combines a knowledge graph with built-in AI applications and integrations with external AI tools including large language models. Analysts can fuse structured and unstructured data from any source, then apply graph analytics and AI to surface connections and anomalies at enterprise scale. Link Analysis Software Knowledge Graph Software Intelligence Analysis Software View products AI & Defence Software Wroclaw 51-200 2011 D
Decent Cybersecurity Builds post-quantum cryptography, sovereign AI and space traffic management products for defence, government and critical infrastructure operators across Europe and NATO. CipherLayer A post-quantum secure communications platform that protects email, messaging, voice, video and VPN tunnels against quantum computing threats without requiring users to change existing tools. It operates in two integrated lines: CipherLayer Secure Comms for protected communications and CipherLayer VPN for quantum-resistant network tunnelling. Designed for on-premises deployment in government, defence and critical infrastructure environments requiring sovereign data control. SynapseMesh PQ-STRAT SpaceShield STM View products Cybersecurity Bratislava 1-10 - DeltaQuad Builds electric long-range VTOL drones for military reconnaissance and surveillance. Evo Tactical Fixed-wing VTOL ISR drone built for military and security operations. Reaches 245 km range with 4+ hours of flight time, carrying up to 3 kg across dual payload bays. Features anti-jamming GNSS resistant to 7 simultaneous GPS jammers, GNSS-denied inertial navigation, a stealth switch that cuts all radio emissions on pre-set waypoints, zero onboard data storage to protect operators if the aircraft is seized, and ATAK integration for mesh collaboration with other military ISR systems. Standardised on the Silvus Streamcaster data link. Deployed operationally on the Ukrainian front lines. Evo Stealth Evo Enterprise Evo Government View products Drones & UAV Duivendrecht 50-100 2012 DroneUA Distributes agricultural and industrial drones, runs drone services operations and integrates unmanned systems across Ukraine, Eastern Europe and international markets. Agricultural Drone Services DroneUA deploys full-time teams of certified drone operators to provide crop-protection and precision agriculture services across Ukraine and Eastern Europe. Services include spraying, field monitoring, NDVI mapping, nitrogen application mapping and herbicide mapping. The company has treated over 3 million hectares of Ukrainian farmland. Robotics Distribution Drone and UAV Integration Data Processing View products Drones & UAV Kyiv 51-200 2013 EnduroSat Builds modular satellite platforms and operates a fixed-cost space data service, enabling businesses to deploy constellations and access Earth observation data without owning ground infrastructure. Space Service An end-to-end mission service that takes customers from payload definition to operational data delivery at a fixed cost. EnduroSat handles mission analysis, satellite integration, launch coordination, commissioning and cloud-based operations, with customers receiving data via API. The service can get a mission to orbit in approximately six months. FRAME Satellite Platforms CubeSat Platforms Satellite Modules View products Space & Satellites Sofia 51-200 2015 Global Clearance Solutions Builds remote-controlled platforms for humanitarian demining and explosive ordnance disposal, deployed across conflict zones from Ukraine to Iraq and Colombia. GCS-200 The company's flagship remote-controlled demining and EOD platform. Designed to clear landmines, anti-personnel mines and explosive remnants of war from large contaminated areas, it can be equipped with various attachments including a tiller. As of April 2026, 100 units have been produced and the platform has cleared more than 40 million square metres of land across multiple conflict zones. GCS-100 Multi-sensor Detection System (MDS) Jamming Solutions View products Ground Robotics Freienbach 11-50 2015 Gradel Builds mechanical ground support equipment for spacecraft, nuclear maintenance machinery and robotic composite manufacturing systems for European aerospace, defence and energy customers. Mechanical Ground Support Equipment (MGSE) Transport trolleys, rotation systems and lifting devices designed to handle spacecraft safely before launch. Built to distribute weight evenly, minimise vibrations and maintain precise alignment during assembly, integration and testing. Has supported ESA missions including JUICE and ExoMars. Compact Antenna Test Range (CATR) System Nuclear Maintenance Equipment Sputtering Targets View products Space & Satellites Bascharage 51-200 1965 Infinite Orbits Designs, owns and operates spacecraft to provide inspection, life extension and end-of-life services for geostationary satellites, using autonomous vision-based navigation technology. Orbit Guard A fleet of commercial SmallSats operating in geostationary orbit, designed for in-situ space situational awareness and active inspection of GEO assets. Orbit Guard #1 is already in orbit and is the first commercial SmallSat operating at GEO altitude. The spacecraft use Infinite Orbits' Rendezvous technology to conduct close-up inspections and autonomous maneuvers around customer satellites. Endurance GEORyder Rendezvous Solution View products Space & Satellites Toulouse 11-50 2017 Infozahyst Develops COMINT, direction-finding and UAV-based ELINT systems for Ukraine's armed forces and law enforcement agencies. KHORTYTSIA-M Mobile automated COMINT complex operating across 25–6000 MHz. Designed for vehicle-mounted deployment, it provides communications intelligence and direction-finding across a wide spectrum. The system has been delivered to Ukraine's Armed Forces under state defence orders since 2018 and is one of the company's flagship battlefield platforms. PLUTON PLASTUN-RP3000 APELLA View products Sensors & EW Kyiv 51-200 - IQM Designs and manufactures full-stack superconducting quantum computers for research institutions, HPC centres and enterprises, available on-premises or via cloud. IQM Spark A 5-qubit on-premises superconducting quantum computer designed for universities and research centres. It offers pulse-level control, single-qubit gate fidelity of 99.9% and two-qubit gate fidelity of 99.0%, allowing students and researchers to run real quantum experiments rather than simulators. Comes with educational materials and training support. IQM Radiance IQM Halocene IQM Resonance View products Quantum Technology Espoo 201-500 2018 M
Maltego Technologies Builds OSINT and link analysis tools that help intelligence agencies, law enforcement and corporate investigators uncover hidden connections across open-source, dark web and commercial data sources. Maltego Graph The core investigation platform, offering visual link analysis for large-scale, multifaceted investigations. Investigators can pull data from built-in OSINT sources, commercial intelligence feeds and internal databases simultaneously, mapping connections between entities such as people, domains, IP addresses and organisations. Available as both a desktop application and browser-based tool. Maltego One Maltego Search Maltego Monitor View products Cybersecurity Munich 51-200 2008 OKAPI:Orbits Builds space traffic management and collision avoidance platforms that help satellite operators navigate an increasingly crowded orbit. OKAPI:Aether A Space Situational Awareness platform that provides risk prediction and collision avoidance for satellite operators. It analyses conjunction events from initial detection through closest approach, classifies risk across multiple data sources, and generates customisable avoidance recommendations including differential drag manoeuvres for propulsion-limited spacecraft. Outputs are in CCSDS format and the platform supports API integration for automated workflows. OKAPI:Astrolabe OKAPI:Soteria OKAPI:LEOP View products AI & Defence Software Braunschweig 11-50 2018 OpenWorks Engineering Builds counter-drone net capture systems and autonomous electro-optical targeting platforms for military and government security operations. SkyWall Patrol A man-portable net capture system that physically intercepts and recovers drones intact. Operators use the SmartScope targeting system to aim and fire a net projectile that entangles the drone mid-flight, with a parachute payload (SP40) bringing it to the ground safely for forensic examination. The system offers a low-collateral damage response suitable for use in populated areas and high-security events. Vision Flex Vision Pace Vision Guard View products Counter-Drone United Kingdom - - Swissbit European manufacturer of industrial storage and hardware security solutions for mission-critical defence, aerospace, industrial and critical-infrastructure systems. Defense & Aerospace rugged storage Mission-critical storage portfolio for avionics, UAVs, tactical radios and satellite systems, designed for harsh environments, secure data handling, consistent performance and long-term supply. Swissbit highlights extended temperature ranges, shock and vibration resistance, ECC, end-to-end data-path protection and transparent European manufacturing. PCIe M.2 SSD modules iShield Key 2 Modular cybersecurity storage products View products Cybersecurity Bronschhofen 201-500 2001 - Teleplan Forsberg Teleplan Forsberg delivers assured positioning, navigation and timing systems for mission-critical aerospace, defence, marine, security and space operations. GNSS Systems GNSS receiver, antenna and networking products for assured positioning and timing. OEM GNSS GPS Receivers GNSS Antennas Inertial Navigation Systems and IMUs View products Communications Heywood 11-50 - - UAV Navigation-Grupo Oesía UAV Navigation-Grupo Oesía develops autopilots, navigation systems and GNC solutions for UAVs, loitering munitions, target drones, C-UAS interceptors and USVs. VECTOR-300 Autopilot product for unmanned aircraft flight-control applications. VECTOR-400 VECTOR-600 GHU-100 Ground Hub Unit View products Drones & UAV Madrid 51-200 2004 - ZeroUSV ZeroUSV designs, builds and operates autonomous uncrewed surface vessels for defence, security, survey and scientific offshore missions. Oceanus12 Transportable autonomous USV designed around a 40-foot ISO footprint, with modular payload integration and multi-week endurance. Oceanus17 Autonomous Glider Deployment Defence ISR Missions View products Naval & Maritime Plymouth 1-10 - - Autonomous Teaming Solutions Builds AI software and systems for autonomous drone teaming, counter-UAS and ISR across land, air and sea domains. Autonomous Drone Teaming Software that coordinates networks of UAVs as a single tactical unit, enabling them to operate in a decentralised, distributed fashion without relying on continuous human control. The system is designed to scale to large numbers of low-cost platforms and remain effective in contested, GPS-degraded environments. Counter-UAS ISR Teaming View products AI & Defence Software Potsdam 11-50 - Fiducial Develops deployable computer vision software for drone platforms and counter-UAS systems, covering detection, GNSS-independent navigation and autonomous interception in contested environments. Chain Home Distributed early-warning detection system using visual and thermal sensors for persistent airspace awareness. Uses inexpensive camera units to triangulate drone positions to sub-pixel precision, providing ground-based situational awareness across a coverage area. Pathfinder Intercept View products Sensors & EW Delft 1-10 2021 HarfangLab Builds endpoint detection and response software for European enterprises and government agencies, with cloud and on-premises deployment options certified by ANSSI and the German BSI. EDR (Endpoint Detection and Response) A threat detection and investigation platform for workstations and servers. It combines multiple detection engines including AI-based malware identification (Ashley), behavioural analysis, YARA and Sigma rules, and indicators of compromise. Security analysts get process-level telemetry, correlated alerts and remote response capabilities including process termination, file deletion and endpoint isolation. Kio, a natural language assistant, is embedded in the console to help analysts query data and access documentation. EPP (Endpoint Protection Platform) Attack Surface Management (ASM) View products Cybersecurity Paris 100-500 2018 H
Harmattan AI Builds autonomous drones, synthetic aperture radar payloads and counter-UAS intercept systems for NATO governments, with vertically integrated manufacturing in France. Sonora Sonora is Harmattan's autonomous UAS platform for intelligence, surveillance and reconnaissance. It is designed for rapid training and deployment in multi-domain operations, with embedded AI that enables autonomous flight and mission execution with minimal reliance on connectivity. The system is modular and repairable, built for high-volume attritable use. Sahara Gobi View products Drones & UAV Paris 11-50 2024 I
Isembard Runs a distributed network of precision factories powered by MasonOS, its proprietary software platform, manufacturing high-precision components for aerospace, defence and critical industries. MasonOS Isembard's proprietary operating system for precision manufacturing. It unifies quoting, production scheduling, supply chain tracking, quality management and delivery coordination across the factory network. Using machine learning, it generates instant quotes from component geometry and materials, adjusts machine assignments in real time and runs AS9100D-compliant quality workflows. It also supports robotics integration on modern CNC equipment. Precision Manufacturing Services Franchise Programme View products Advanced Materials London 11-50 2024 MARSS Group Builds AI-powered command and control systems for counter-drone defence, maritime security and critical infrastructure protection, deployed at over 60 sites worldwide. NiDAR MARSS's core AI-powered command and control platform, integrating radar, electro-optical and other sensors into a single multi-domain situational awareness picture. NiDAR comes in several configurations: NiDAR 4D for simultaneous detection across air, land, sea and subsurface threats; NiDAR CUAS for automated counter-drone protection with detection, machine learning classification and countermeasure layers; NiDAR Command as a turnkey C2 installation; and the NiDAR X-series of mobile and expeditionary platforms for forward operations. The platform is deployed at over 60 sites globally. RADiRguard MOBtronic View products Naval & Maritime London - 2007 Spaceflux UK space domain awareness startup delivering real-time optical space intelligence from a sensor network and AI-driven platform for governments and satellite operators. Tracking Data Real-time optical tracking data across orbital regimes, delivered from Spaceflux's global sensor network for space domain awareness operations. Cortex Platform Hardware Solutions View products Space & Satellites London 11-50 - - Spectra Group UK tactical communications company building secure, resilient and deployable communications systems including SlingShot and GENSS for modern battlespace users. GENSS Evergreen tactical communications system for secure distributed operations, integrating mission applications, adaptive communications and resilient network services. SlingShot Troposcatter View products Communications Hereford 51-200 - - Supacat UK military vehicle specialist designing high-mobility off-road platforms, special forces vehicles, recovery systems and autonomous vehicle concepts for defence users. HMT High Mobility Transport vehicle family for special operations, weapons carriage, patrol, logistics and high-mobility defence roles. ATMP HMT ACC View products Ground Robotics Honiton 201-500 - - Theon International Night vision and thermal imaging devices manufactured for military forces in over 60 countries worldwide. NYX A MIL-SPEC dual-tube image-intensified night vision binocular with integrated infrared illuminator, mountable on helmet or handheld, offering enhanced depth perception for dismounted operations. ARGUS THERMIS View products Sensors & EW Athens 201-500 1997 - Threod Systems Develops and manufactures fixed-wing and VTOL surveillance drones, gyro-stabilized electro-optical payloads and pneumatic launcher systems for armed forces in 27 countries. Eos C VTOL A fully electric vertical takeoff and landing unmanned aircraft designed for long-range surveillance and target acquisition. It operates at ranges up to 50 km with up to 3 hours of endurance, reaches a service ceiling of 4,500 m and can be deployed by two operators in under 4 minutes. The system includes AES-256 encrypted communications, GPS-independent navigation, electronic warfare resilience and an integrated eOpic-5 electro-optical payload with full HD and thermal imaging. eOpic Cata View products Drones & UAV Tartu 51-200 2013 - UAVTEK UK unmanned systems startup building EW-resistant multirotor, fixed-wing, tube-launched and ground robotic platforms for security, government and demanding operational environments. X Series Multirotors Tactical multirotor UAV family designed for endurance, intelligence gathering and operation in challenging electronic-warfare environments. V Series Fixed Wing R Series Ground View products Drones & UAV United Kingdom 11-50 - - Vrgineers High-resolution VR and mixed reality headsets built specifically for military pilot training and combat simulation. XTAL 3 VR A professional 4K-per-eye VR headset with up to 180-degree horizontal field of view, eye tracking, hand tracking, and custom prescription lens support, built for military flight simulation and training. Portable Trainer Generic Classroom Trainer View products Soldier Systems Prague 11-50 2015 - Zero 2 Infinity Develops high-altitude balloon systems for near-space payload testing, stratospheric flight and balloon-assisted small satellite launch concepts. Elevate Stratospheric transportation service for flying payloads to near space for HAPS testing, communications, remote sensing, drop tests, weather profiling and marketing missions. Bloon Bloostar View products Space & Satellites Barcelona 50-100 2009 - D
deltaVision German aerospace startup developing cryogenic fluid management systems, valves, pumps and orbital refuelling technology for reusable launch and space mobility. Cryogenic fluid management systems Valves, pumps and related components for handling cryogenic propellants in launch and in-space systems. Orbital refuelling technology View products Space & Satellites Germany 1-10 - Advanced Protection Systems Builds counter-drone systems and 3D MIMO radars used by military forces, airports and critical infrastructure operators to detect, track and neutralise small aerial threats. SKYctrl A modular counter-drone system that detects, tracks, classifies and neutralises small aerial vehicles. The system combines 3D MIMO radar, RF sensors, pan-tilt-zoom cameras with day/night vision, Wi-Fi sensors and multi-band jammers covering 20 frequency bands including ISM, VHF, UHF, GSM, LTE and GNSS. Control is handled through CyView, a web-based C2 platform that uses neural networks for real-time tracking and supports external system integration via open API. The Ultra model achieves a maximum detection range of 30 km, with 10 km range against micro-UAVs. Available in stationary, portable and mobile configurations, and can be integrated with kinetic effectors including an autonomous interceptor drone unveiled in 2024. FIELDctrl View products Counter-Drone Warsaw 50-100 - I
Invasys Builds mobile phone interception systems and cyber countermeasure platforms for government law enforcement and intelligence agencies. Mobile360 A suite of mobile intelligence platforms covering ground, maritime and airborne operational environments. It includes deployment-specific variants — Tellus (ground), Luna (maritime) and Tungsten (airborne) among others — and provides access to voice, text and data from mobile devices. The suite incorporates software-defined radio technology and supports 2G GSM, 3G UMTS, 4G LTE and 5G protocols. Roffic mk6 View products Sensors & EW Brno 11-50 - Latitude Builds the Zephyr small launch vehicle and Navier engines in France to deliver dedicated orbital access for small satellites from European spaceports. Zephyr A two-stage micro-launcher designed for dedicated SmallSat missions. Zephyr is 19 metres tall, 1.5 metres in diameter, and capable of carrying payloads up to 200 kg to low Earth orbit across inclinations from 3.5° to 100.5°. It is powered by seven in-house Navier sea-level engines on the first stage and a vacuum Navier engine plus an Auxiliary Propulsion System on the second stage. The rocket is designed for high launch frequency, with a target cadence of one flight per week, and can accommodate MicroSats, CubeSat constellations and orbital capsules through its multi-configurable fairing. Dedicated Launch Services View products Space & Satellites Reims - 2019 M
Multiverse Computing Compresses large language models using tensor network methods so organisations can run advanced AI on edge devices, existing hardware and air-gapped infrastructure at a fraction of normal compute cost. CompactifAI An LLM compression platform that uses tensor network mathematics to reduce model size by up to 95% while retaining close to 100% accuracy. Compressed models run 4–12x faster and cost 50–80% less to operate than their uncompressed counterparts. Organisations can access compressed versions of Llama, DeepSeek and Mistral via API on AWS, deploy privately in their own cloud or on-premise environment, or run models entirely offline on edge devices. The platform also produces open-source compressed models including HyperNova 60B and the LittleLamb 0.3B family. Singularity View products Quantum Technology San Sebastián 201-500 2019 N
NewOrbit Develops ultra-low Earth orbit satellites and ion propulsion systems to bring higher-resolution imaging, direct-to-device connectivity and weather intelligence closer to Earth. NEO-1 NewOrbit's inaugural satellite platform designed to operate continuously at ultra-low Earth orbits of 180-250 km for up to five years. At these altitudes, NEO-1 delivers drone-quality imaging resolution, direct-to-device connectivity at 5G-comparable speeds and enhanced atmospheric data for weather forecasting. The satellite carries Earth observation, telecommunications, GNSS and RF sensor payloads, and uses the AURA propulsion system to counteract atmospheric drag. Expected availability is Q3 2027. AURA View products Space & Satellites Reading 11-50 2021 I
Isar Aerospace Builds Spectrum, a two-stage liquid-fuelled launch vehicle carrying up to 1,000 kg to low Earth orbit, serving the small and medium satellite market from launch sites in Norway and French Guiana. Spectrum Spectrum is Isar Aerospace's two-stage orbital launch vehicle, 28 metres tall and 2 metres in diameter, designed for small and medium satellites. It carries up to 1,000 kg to low Earth orbit or 700 kg to sun-synchronous orbit using liquid oxygen and propane propellants. Both stages use the in-house Aquila engine. Customers can choose between three service configurations: Dedicated (exclusive launch with customer-defined orbit and timing), Lead (customer sets orbit and timing on a shared flight) or Rideshare (routine shared flights to pre-defined orbits). The vehicle uses automated carbon composite manufacturing and pyro-free stage separation throughout. View products Space & Satellites Ottobrunn 201-500 2018 Kreios Space Builds air-breathing electric propulsion systems that allow satellites to operate continuously in Very Low Earth Orbit at around 200 km altitude, using atmospheric air and solar power in place of onboard fuel. K-3 Thruster Kreios Space's third-generation helicon plasma thruster and the core of their air-breathing electric propulsion system. The K-3 captures atmospheric particles at altitudes between 150 and 300 km, compresses them up to 100x and ionises the resulting flow to generate continuous thrust. It operates on air and solar energy only, requiring no onboard propellant tanks, and has been tested with oxygen, nitrogen, argon and hydrogen. The K-3 represents the flight-ready version of the ABEP system, with in-orbit demonstration planned as part of the company's first two test satellites. View products Space & Satellites Barcelona 1-50 2019 L
Lumibird Lumibird develops laser technologies and military laser rangefinders for defence, naval, aerospace, industrial and medical applications. - Sensors & EW France 501-1000 - Ark Robotics Estonian unmanned ground vehicle developer building autonomous robotic platforms for military logistics, reconnaissance, and combat support. - AI & Defence Software Tallinn 11-50 2024 A
Axelera AI Eindhoven AI hardware company building Metis and Europa inference accelerators for edge security, robotics, space and high-performance compute applications with European supply-chain resilience. - AI & Defence Software Eindhoven 201-500 2021 C
CILAS CILAS develops laser and optics systems for armed forces, including missile-guidance lasers, anti-drone systems and optical coatings for defence and space applications. - Sensors & EW France 201-500 - E
Exosens Exosens develops amplification, detection and imaging technologies for defence, night vision, surveillance, nuclear, scientific and industrial applications. - Sensors & EW France 1001-5000 - H
Hypersonica Develops hypersonic vehicles for Europe's resilience and space sovereignty, focusing on advanced aerospace technology for defence and space applications. - Soldier Systems Munich 1-10 2023 I
Intelic Develops AI-powered autonomy software for unmanned military systems across air, land, and sea domains. Their Nexus™ platform enables multi-domain distributed mission autonomy, allowing unmanned systems to autonomously plan, coordinate, and execute complex missions. - AI & Defence Software Amsterdam 1-50 2021 
Austria
Croatia
Denmark
Hungary
Ireland
Italy
Latvia
Lithuania
Norway
Portugal
Romania
Slovenia
Sweden
Iceland