Top Defense Technology Companies In Estonia For 2027
Dominic Tarn
Head Writer - ReVerb
11.15.2026
Last updated: November 14, 2026
The top defense technology companies in Estonia for 2027 are Milrem Robotics, Threod Systems, DefSecIntel Solutions, Frankenburg Technologies, KrattWorks, Marduk Technologies, Cybernetica, Skeleton Technologies, CybExer Technologies and Vegvisir. Milrem leads in unmanned ground vehicles, Threod and KrattWorks in drones, Marduk and DefSecIntel in counter-drone detection, and Frankenburg in low-cost air defence.
Estonia’s defence industry has grown fast since 2022. Industry figures put 2025 revenue at around €730 million, with much of it exported, and the sector’s focus areas are drones, counter-drone systems, electronic warfare resilience, sensors, AI analysis and cyber security.
How We Chose
We selected Estonian companies with public contracts, funding or export track records in defence, using company information, Estonian government sources and defence press. This list stays at company overview level. Read more about how we research and rank companies.
Estonian Defense Technology Companies At A Glance
Company
Based In
Best For
Key Fact
Milrem Robotics
Tallinn
Unmanned ground vehicles and autonomy kits
Vehicles sold to 9 countries, 7 of them in NATO
Threod Systems
Tallinn
Reconnaissance drones, payloads and launchers
British Army launcher contract worth about £5M
DefSecIntel Solutions
Tallinn
Mobile surveillance, unmanned vessels and C-UAS
Named one of 100 startups to watch in 2026
Frankenburg Technologies
Tallinn
Low-cost air defence against drones
€30M Series A in 2026
KrattWorks
Tallinn
ISR drones resilient to electronic warfare
Selected for NATO DIANA
Marduk Technologies
Tallinn
Passive drone detection and tracking
Sensor vendor for Estonia’s counter-drone network
Cybernetica
Tallinn and Tartu
Secure communications and surveillance systems
Partner in EU defence fund projects
Skeleton Technologies
Tallinn
Power systems for vehicles and air defence
Three partnerships signed at Eurosatory 2026
CybExer Technologies
Tallinn
Cyber defence exercises
NATO procurement agency contract
Vegvisir
Tallinn
360-degree awareness for armored and unmanned vehicles
Cooperation agreement with Milrem Robotics
Best Defense Technology Companies In Estonia For 2027
1. Milrem Robotics — Europe’s Leading Unmanned Ground Vehicle Maker
Milrem Robotics, founded in 2013, develops robotic and autonomous ground systems, best known for the THeMIS unmanned ground vehicle. Its vehicles have been sold to nine countries, and a Netherlands-funded program is delivering more than 150 THeMIS units to Ukraine.
It is the anchor company of Estonia’s land robotics sector.
2. Threod Systems — Battle-Tested Tactical Drones And Launchers
Threod Systems, founded in 2012, develops tactical unmanned aircraft, electro-optical payloads and launch systems, with products in more than 25 countries. In 2026 it was selected to supply the British Army with its Cata launch system.
It suits forces that need proven ISR drones and launch equipment.
DefSecIntel Solutions builds AI-powered mobile surveillance systems, unmanned surface vessels and layered counter-drone solutions for defence and border security. It signed an MoU with Oman’s The Armored Group at World Defense Show 2026.
It suits border, critical infrastructure and military customers.
Frankenburg Technologies, founded in 2024 and led by former defence ministry permanent secretary Kusti Salm, develops low-cost interceptors to counter drones. It raised €30 million in 2026 and plans production at the Pärnu defence industry park.
It is Estonia’s best-known new air defence venture.
5. KrattWorks — Drones Built For Jammed Environments
KrattWorks, founded in 2018, makes reconnaissance drones designed to keep working under jamming and without satellite navigation. Its systems have been deployed in Estonia, Georgia and Moldova, among others.
It suits units operating where GPS cannot be trusted.
Marduk Technologies, founded in 2016, develops electro-optical systems that detect, classify and track drones. It is named as a sensor vendor for Estonia’s national counter-drone network and signed an MoU with Hanwha Aerospace.
It suits airports, critical sites and militaries building layered drone defence.
7. Cybernetica — Secure Systems For Defence And Borders
Cybernetica builds secure systems, including border and maritime surveillance, and takes part in European Defence Fund projects.
It suits defence and border agencies that need high-assurance software.
Skeleton Technologies makes ultracapacitor-based energy storage and is working with defence companies in Spain, Portugal and France on counter-drone, autonomous and vehicle applications.
It suits system makers that need high-power energy storage.
Vegvisir develops situational awareness technology for vehicles and signed a cooperation agreement with Milrem Robotics in 2025.
It suits vehicle makers adding all-round vision for crews and operators.
How To Choose An Estonian Defense Technology Partner
Is It Battle-Tested?
Many Estonian products have been used in Ukraine. Ask what feedback shaped the current version.
Can They Scale Production?
Check manufacturing capacity and supply chains, not just prototypes.
How Does It Integrate?
Confirm compatibility with your existing command, sensor and vehicle systems.
What Export Approvals Apply?
Defence exports need licences. Confirm timelines early.
Frequently Asked Questions
How big is Estonia’s defence industry?
Industry figures put revenue at around €730 million in 2025, with roughly €450 million from exports, and the sector targets €1 billion.
What are Estonia’s defence tech strengths?
Drones, counter-drone systems, electronic warfare resilience, sensors, AI analysis and cyber security.
Who buys equipment for the Estonian Defence Forces?
The Estonian Centre for Defence Investments runs procurement for the Defence Forces and the Defence League.
Conclusion
Estonia has become one of Europe’s most active defence tech hubs. Milrem leads in ground robotics, Threod and KrattWorks in drones, and Marduk, DefSecIntel and Frankenburg in counter-drone defence. If you want to supply the Estonian military, read how to sell to the Estonian Defence Forces, and explore the Estonia hub.
