Suomalaiset puolustusyritykset

Operates the world's largest SAR satellite constellation, providing all-weather, day-and-night Earth observation data and sovereign intelligence systems for defence, intelligence and natural catastrophe monitoring.

Designs and manufactures full-stack superconducting quantum computers for research institutions, HPC centres and enterprises, available on-premises or via cloud.

Manufactures sovereign satellites and in-orbit data processing systems for governments and armed forces seeking full operational control over their space-based assets.

Builds passive RF drone detection systems and counter-UAS platforms for military and law enforcement customers worldwide.

Builds military-grade XR headsets and simulation software for defence training across air, land and sea operations.

European physical AI lab building adaptive intelligence for unmanned systems and command and control platforms, with the Finnish Defence Forces as an early partner. Raised €100 million from Nokia and Finnish sovereign fund Tesi in 2025, chaired by Silo AI founder Peter Sarlin.

Hyperspectral microsatellite constellation providing real-time environmental monitoring and defence intelligence imagery.

Kuopio-based XR studio providing VR and AR training platforms for industry and the Finnish Defence Forces. Built BITE, an immersive training platform, and has delivered group-based VR training for Puolustusvoimat medical personnel.

Builds the first software-defined, CMOS-native hyperspectral imaging chip with sub-10nm spectral accuracy, small enough for wearables and smartphones but designed to detect concealed threats and substances for defence customers. Raised €5.6M in September 2025 and won a Swedish Defence Agency innovation contract in November 2025.

After-action analysis software for armed forces, replaying exercises across every data source to extract tactical patterns. Built in Finland by soldiers for classified, air-gapped environments with no transatlantic dependencies.

Simulation and synthetic data generation platform for training and testing autonomous systems across maritime, aerial and land domains, used by defence customers to validate AI models for mission-critical operations. A Helsinki-based spin-off whose fastest-growing vertical is defence.

Developer of AirHUD, a patented augmented reality heads-up display that lets drone pilots see their aircraft beyond visual line of sight, and AirSkill, a VR drone pilot simulator. Customers include Dutch Police, Pirkanmaa Rescue Department and military drone operators across Europe.

Software-based live training tools for NATO armed forces, focused on anti-tank training for forested and arctic environments. Founded in 2023 by gaming industry veterans in Riihimäki's defence tech cluster.

Drone manufacturer that has supplied target drones to the Finnish Defence Forces since 1968 and now builds the Boxer Hybrid, a gasoline-electric octocopter with two-hour flight times and a 5 kg payload. Has delivered more than 1,000 target drones for military use.

Finnish technology company delivering tactical communications, software-defined radios, secure mobile devices and IP networking systems for defence and security customers.

Terrain-referenced, multimodal navigation and perception engineered for GNSS-denied and comms-denied environments. Founded by the inventor of SSH, the company holds 30+ AI and computing patents and runs EU-sovereign training infrastructure on its own compute.

Forssa-based manufacturer of ballistic protection, riot gear and full-contact training suits supplied to NATO militaries, counter-terrorism units and police forces. ISO 9001, ISO 14001 and AQAP 2110 certified with manufacturing in Finland and Czech Republic.

Delivers modular non-kinetic, AI-powered drone defence systems with real-time detection, signal control, and autonomous threat response. Their ONYKS™ Solution provides unified airspace security platform.

DA-Group provides advanced electronics and high-technology systems for defence, aerospace and industry, including EW testing, degaussing and resilient navigation products.

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.

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.

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.

ElFys manufactures highly sensitive photodiodes with external quantum efficiency greater than 96% using patented black silicon induced junction technology for light sensing applications.

Electric mobility startup for the defence sector, building the Theron electric motor for unmanned ground vehicles, rotorcraft and military platforms with a European supply chain. Formerly known as Donut Defence and part of the DEFINE Accelerator Spring 2025 cohort in Riihimäki.

Kelluu delivers high-resolution environmental data using autonomous, emission-free airships, creating digital twins to help businesses and governments make better decisions. Provides data-as-a-service with high-resolution (1px/1cm) aerial data for environmental monitoring, geospatial mapping, and creating digital twins of real-world environments.

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

Helsinki-based FPV drone maker building combat systems for NATO defence forces, border guards and law enforcement. Team combines engineering, elite FPV piloting and battlefield experience, and runs the Kolibri Drone Academy for combat pilot training.

Helsinki University spin-off developing Biodecon, a patented non-toxic decontamination solution for chemical and biological warfare agents including Sarin, Mustard Gas, VX and bio agents. Developed with the Finnish Defence Forces and the VERIFIN chemical weapons verification institute.

Secure messaging platform built for government and military use. Delivers end-to-end encryption, post-quantum cryptography, zero-trust architecture and on-premise deployment for classified communications. DEFINE Accelerator Fall '24 cohort.

Aalto University spin-off developing ultralight metasurface thin-film antennas for UAVs, satellites and ground systems. Raised €1M pre-seed in 2025 to commercialise antennas for next-generation C-UAS radar, jamming and tactical communications.

Builds silent, emission-free battery-based e-Generators that replace diesel generators in defence field bases and command posts, with customers in three NATO countries and an assigned NCAGE code for portable e-Generators. Designed and manufactured in Finland and validated through the DEFINE accelerator and VTT.

Tactical GNSS-denied navigation built from European commercial components. Fuses GNSS, IMU and odometry with jamming and spoofing detection, integrating with SitaWare Frontline, ATAK and NATO Generic Vehicle Architecture.

Tactical communication headsets and hearing protection systems for military forces, enabling clear comms in high-noise environments.

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

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.

Develops optronics, night vision, fire control, surveillance and critical communications systems for defence, security and industrial users.

Develops autonomous aerial robotics solutions for various applications including transportation, data collection, precision farming, and smart city operations.

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

Additively manufactured UAV platforms for defence. Builds the Vorax 7 high-speed FPV platform with 1.2kg payload and 50km range, and the modular VL5 fixed-wing trainer. DEFINE Accelerator Fall '24 cohort.

Tampere deep-tech company building light-based energy systems, power-by-light hardware and optoelectronic chip technology for space and novel photovoltaics.