Unclassified // open-source data on European defence tech
11 companies

Defence tech companies in Estonia

11 Estonia-based defence and dual-use startups we track, working across Autonomy & AI, Counter-Drone, Cyber, Drones, Electronic Warfare, Ground Robotics, Loitering Munitions and Space & ISR. Sorted by latest round.

Latest rounds

DateCompanyRoundAmountCountrySector
Oct 2026Golbriak Space Seed€4MEstoniaSpace & ISR
Jun 2026Vegvisir Venture round-EstoniaAutonomy & AI
24 Feb 2026Frankenburg Technologies Series A€30MEstoniaCounter-Drone
Feb 2026Farsight Vision Seed€7.2MEstoniaAutonomy & AI
Jun 2025Lendurai Seed€5.57MEstoniaDrones
Apr 2025Wayren Strategic€7.9MEstoniaElectronic Warfare
Jan 2025CybExer Technologies Venture debt€1.5MEstoniaCyber

All companies

Full directory

Golbriak Space

Tallinn, Estonia

Manufactures software-defined laser communication terminals for satellites (ERMESAI+) and airborne or drone platforms (ARES).

Space & ISRSeed / Oct 2026

Vegvisir

Tallinn, Estonia

Develops head-mounted mixed-reality displays and a multi-domain command platform linking crewed vehicles, uncrewed systems and commanders.

Autonomy & AIVenture round / Jun 2026

Frankenburg Technologies

Tallinn, Estonia

Develops low-cost guided missiles to intercept drones at scale.

Counter-DroneSeries A / 24 Feb 2026

Farsight Vision

Tallinn, Estonia

Ukrainian-Estonian AI platform turning drone footage into live 3D battlefield models for mission planning with UAVs and UGVs.

Autonomy & AISeed / Feb 2026

Lendurai

Tallinn, Estonia

Builds tactical autonomous UAVs and onboard autonomy stacks that navigate and complete missions without GPS or radio links.

DronesSeed / Jun 2025

Wayren

Tallinn, Estonia

Singularity platform provides jamming resilient hybrid networking and data sync across satellite, radio and mobile links for soldiers, drones and fires.

Electronic WarfareStrategic / Apr 2025

CybExer Technologies

Tallinn, Estonia

Provides cyber ranges and live-fire cyber exercise and training platforms for armed forces, governments and enterprises.

CyberVenture debt / Jan 2025

DefSecIntel Solutions

Tallinn, Estonia

Builds the EIRSHIELD multi-layer counter-UAS system, interceptor drones, the EUROMITE uncrewed surface vessel and mobile surveillance platforms.

Counter-Dronen/d

Marduk Technologies

Tallinn, Estonia

Makes passive drone detection, classification and targeting systems, the Marduk Shark and the compact Piraya.

Counter-Dronen/d

Telearmy

Tallinn, Estonia

Retrofit kits that turn existing military vehicles, from ATVs to armoured carriers, into remotely driven platforms over Starlink or radio links.

Ground Roboticsn/d

Wolfram Europa

Tallinn, Estonia

Vertically integrated producer of energetic materials, warheads and mines for European armed forces, led by former Estonian defence procurement chiefs.

Loitering Munitionsn/d