Defence Tech Companies in France

Builds fixed-wing surveillance and reconnaissance drones for military, border security and government customers, with production based entirely in France.

DT46

Delair's flagship ISR platform, available as a pure fixed-wing or convertible VTOL configuration. The fixed-wing variant delivers up to 6.5 hours of endurance at 20 kg with a 100 km AES-256 encrypted communications range. In VTOL mode endurance is 3.5 hours at 25 kg. The aircraft converts between configurations in 15 minutes in the field without tools, and has been selected by the French Army artillery and Gendarmerie Nationale.

DT26E

A family of long-endurance mini-UAVs (up to 170 minutes, 15-18 kg) that deploys in under 8 minutes. Three variants are available: Surveillance, with a gyrostabilised EO/IR camera and 30 km data link; Tactical, with a 50 km encrypted link, 30x optical zoom, four-target video tracking and an IMSI/IMEI catcher payload option; and Open Payload, a configurable platform for operator-supplied sensors. The Tactical variant has been combat-proven with French Special Forces and in Ukraine.

Builds autonomous drones, synthetic aperture radar payloads and counter-UAS intercept systems for NATO governments, with vertically integrated manufacturing in France.

Designs, owns and operates spacecraft to provide inspection, life extension and end-of-life services for geostationary satellites, using autonomous vision-based navigation technology.

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

Open-source cyber threat intelligence and adversarial exposure validation platforms used by 6,000+ organisations worldwide, from national intelligence agencies to global enterprises.

OpenCTI

Open-source cyber threat intelligence platform that collects, correlates and operationalises threat data using the STIX 2.1 standard. It connects to 300+ intelligence feeds and security tools, maps threats to MITRE ATT&CK and provides automation and agentic AI to cut enrichment time from hours to seconds. Available as a self-hosted community edition and a licensed enterprise edition with advanced access controls, AI features and SaaS hosting.

OpenAEV

Open-source adversarial exposure validation platform that simulates realistic attack scenarios to test an organisation's technical controls, processes and people. Scenarios are built from threat intelligence and MITRE ATT&CK mappings, covering everything from atomic breach simulations to full crisis tabletop exercises across CISO, IT, legal and executive teams. Integrates with 30+ security tools including SIEM, EDR and XDR platforms.

World leader in full-stack photonic quantum computing, developing hardware, middleware, and software for industrial applications including energy, cybersecurity, and finance.

MosaiQ

Datacenter-ready photonic quantum computer available in 6 to 24-qubit configurations, air-cooled and deliverable in 8-10 months.

Ascella

6-qubit photonic quantum computer launched in 2022 as the first functional photonic QPU, accessible via Quandela Cloud to 1,200+ users across 30 countries.

Belenos

12-qubit photonic quantum computer delivering 4,000x more computing power than Ascella, with first integrated version delivered to CEA-TGCC supercomputer center.

Provides offensive and defensive cybersecurity services and software protection tools for software manufacturers, government agencies and defence organisations.

Builds a SOC platform combining extended detection and response (XDR) with cyber threat intelligence for European enterprises and government organisations.

Sekoia Defend

An open XDR and SIEM platform that collects and correlates security data from endpoints, networks and cloud environments. It combines built-in threat intelligence, SIGMA-based correlation rules, retro-hunting and SOAR automation playbooks to detect and respond to attacks. Named a Leader in the Frost Radar for XDR in 2023.

Sekoia Intelligence

A cyber threat intelligence platform fed by 299 sources and 150+ exclusive trackers monitoring attacker infrastructure daily. It produces indicators of compromise in STIX 2.1 format and provides finished intelligence on threat actors, malware families and attack campaigns, available via API or natively integrated with Sekoia Defend.

Develops network firewalls, endpoint protection and data encryption products for European defence, government and critical infrastructure organisations, as a subsidiary of Airbus CyberSecurity.

SNxr1200

Extra-ruggedised encryption firewall designed for embedding in military vehicles, aircraft and spacecraft operating in critical environments with TEMPEST classification.

SNi10 Industrial Firewall

Compact DIN-rail firewall for industrial OT environments, providing network segmentation and intrusion prevention for SCADA and industrial control systems.

SN-XL Series (SN6200)

High-performance enterprise firewall with modular interface slots delivering up to 80 Gbps throughput, ANSSI-qualified for protecting NIS2 Essential and Important Entities.

Develops laser light-shaping technology for optical ground stations, free-space laser communications and directed energy weapons for space and defence markets.

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

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.

Develops radio frequency counter-drone systems for armed forces, government institutions and critical infrastructure operators, covering detection, identification and neutralisation of hostile UAVs.

Fabless semiconductor company specializing in highly-integrated mixed-signal products and smart conversion technology, designing data converter cores and ASICs for defence, aerospace, test & measurement, and communications markets.

AFX010x Analog Front End

Quad-channel analog front end IC in a 12mm BGA package with ADC sampling up to 5 GS/s at 16-bit resolution and 425 mW per channel power consumption for radar and oscilloscope applications.

SCCORE Signal Conversion Platform

Proprietary continuous-time delta-sigma ADC/DAC technology with on-chip calibration enabling wideband signal digitization up to multiple GHz with instant overload recovery for phased array radar receivers.

Signal Conversion ASIC Service

Custom mixed-signal ASIC design and supply service delivering silicon-proven IP blocks on TSMC 40nm and GlobalFoundries processes, available as GDSII, known-good die, or turnkey packaged devices.

Builds post-quantum cryptography software that helps governments, financial institutions and critical infrastructure operators inventory their cryptographic assets and migrate to quantum-resistant encryption.

Designs manycore processor chips and PCIe acceleration cards for AI inference, 5G packet processing and storage acceleration in data centres and edge deployments.

TURBOCARD4

A PCIe acceleration card built on the MPPA Coolidge processor, targeting AI inferencing and smart vision applications. Delivers high performance per dollar for compute-intensive tasks and offloads AI workloads from general-purpose CPUs in data centre and edge deployments.

K300

A programmable PCIe acceleration card for telecommunications and security applications, handling radio network processing, packet processing and security acceleration as well as AI acceleration. Suitable for 5G base station deployments and network security appliances.

K200-LP

A storage acceleration card for high-performance storage environments. Combines storage acceleration and security offload in a low-profile PCIe form factor, designed for fast deployment and efficient operation in data centre storage tiers.

Develops AI-powered video analytics software that transforms video feeds into actionable intelligence for cities, homeland security forces, and businesses, with focus on European sovereignty and GDPR compliance.

Provides space situational awareness services using optical telescopes and radar to track space objects, predict collisions, and monitor space debris.

MTOS 500mm Station

An array of four 500mm f/1.5 telescopes that work in synchronised rotation to detect objects as small as 7 cm across all orbits from 300 km to 40,000 km altitude, detecting up to 15,000 space objects per station in a two-week period.

CALM

A web-based collision avoidance application that evaluates conjunction risks up to five days ahead and computes optimal avoidance manoeuvres, integrating with operators existing flight dynamics software via API.

RAMSES

A 12 million euro programme with ONERA to deploy five multispectral stations globally, combining visible and near-infrared sensors for day and night tracking across all orbits, supported by France 2030.

Space exploration company developing low-cost, reliable and scalable solar sails for deep space access, interplanetary transportation and space debris removal missions.

Develops neuromorphic computing solutions for frugal AI applications in defence and aerospace. Creates brain-inspired computing systems for energy-efficient AI processing.

Predictive attack intelligence using behavioral AI. Advanced threat detection and prevention for critical infrastructure protection.

Next-generation AI command and control systems for defence operations, combining defence expertise with world-class AI capabilities.

Open-source collaborative cybersecurity engine using crowd-sourced threat intelligence to block malicious activity in real time.

Space defence company developing Interceptor - the first air-launched spacecraft capable of removing dangerous objects from space in less than 24 hours. Founded by former MBDA and Thales missile engineers to intercept, capture and dispose of satellites, space debris, or potential threats in orbit.

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

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

Global leading manufacturer of automated tethered drone systems for persistent surveillance and emergency communications, providing continuous aerial presence up to 100m for hours.

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

A biopharmaceutical company specializing in developing emergency immunotherapies using polyclonal antibody technology to combat biological threats, emerging infectious diseases, and bioterrorism agents.

Network detection and response platform providing deep packet inspection for military networks and critical national infrastructure.

NDR Platform

AI-powered network detection and response platform combining static, heuristic, and machine learning engines to detect known and zero-day threats in real time across IT, OT, and cloud environments.

Decision Center

Central intelligence module that consolidates detection outputs into a decision framework, evaluating threats on technical severity, intent, and business impact with AI-driven SOC assistant and actionable recommendations.

Deep Visibility

Advanced network monitoring module providing real-time application-level visibility with bandwidth analysis, flow classification, and traffic mapping for complete digital infrastructure understanding.

AI-powered malware analysis and cyber threat detection platform specializing in rapid automated binary analysis.

Micro-launcher developer building the Zephyr rocket for responsive small satellite deployment from European soil.

Reusable micro-launcher for European sovereign access to space, developing Maia rocket. ArianeGroup subsidiary.

Maia Launcher

A 50-metre, two-stage mini-launcher available in reusable (500 kg to SSO) and expendable (1,500 kg to SSO) versions, powered by four Prometheus bio-methane/LOX engines with a 3.5-metre fairing and up to 4-tonne capacity to inclined orbits.

Maia Reusable First Stage

Europe's first reusable rocket first stage designed for vertical landing on an autonomous barge at sea, selected by ESA's BEST! initiative alongside Isar Aerospace to develop future European reusable space transportation.

Colibri Kick-Stage

An optional upper kick-stage with a cluster of engines that increases mission flexibility for multi-orbit deployment and constellation replenishment -- successfully completed dual-engine hot-fire testing and environmental qualification at Thales Alenia Space facilities in 2025.

MANITTY develops advanced wearable technologies that bring hospital-grade monitoring to the field. Their DeepMo solution is a lightweight, AI-powered device that continuously tracks vital signs and brain activity, detects early signs of deterioration, and provides autonomous triage aligned with NATO standards.

Manufactures quantum cascade lasers and gas sensors for defence and industrial applications. Produces QCL technology for missile defence systems and toxic gas detection.

Manufactures quantum deformation sensors using nanoparticle technology for ultra-sensitive strain detection. Provides quantum sensing solutions for structural monitoring.

Develops non-lethal law enforcement technologies and crowd control solutions. Provides advanced non-lethal weapons and security equipment for law enforcement agencies.

Oledcomm is a French pioneer and world leader in optical and photonic communications, specializing in LiFi technology. Their solutions provide secure, interference-free wireless communication for military and defense applications in environments where radio waves are not suitable, offering high-speed optical wireless communications as an alternative to traditional RF systems.

Mobile security platform protecting enterprise and defence mobile device fleets against advanced mobile threats and data leakage.

AI-powered analysis of satellite and aerial imagery for defence intelligence. Now Safran AI after acquisition by Safran Group in 2024.

Provides radiofrequency monitoring and security solutions for detecting, locating, and analyzing radio wave emitting devices to protect against drones, jamming, and data theft threats.

Autonomous VTOL reconnaissance drone network providing persistent surveillance capability. Raised EUR4.6M.

Builds ground robots for firefighting, explosive ordnance disposal and defence logistics, deployed across civil security services and armed forces in 15+ countries.

Industrial technology company that designs and produces innovative high-performance materials using the Spark Plasma Sintering (SPS) process for aerospace, defence, luxury goods, and industrial sectors.

European cybersecurity startup specializing in internet invisibility technology through their VIPN (Virtual & Invisible Private Network) system, making users, devices, and data invisible to prevent cyber attacks.

Extended detection and response (XDR) cybersecurity platform protecting enterprise and defence endpoints against advanced threats.

TEHTRIS XDR AI Platform

Unified cybersecurity console that orchestrates EDR, SIEM, MTD, NTA, Honeypots, and DNS Firewall modules into a single AI-powered detection and response platform, deployed in under 24 hours for enterprises with 100,000+ endpoints.

EDR OPTIMUS

Endpoint detection and response agent with built-in NGAV using Deep Learning neural networks that detects unknown threats and performs 24/7 automatic remediation using only 1-3% CPU and 90 MB RAM.

SOAR

Security orchestration and automation engine with no-code playbook builder that interconnects TEHTRIS modules and third-party tools like Zscaler and Proofpoint for hyperautomated incident response.

Smallsat constellation manufacturer providing sovereign communications and earth observation platforms for defence and government.