Kelluu

Kelluu

Helsinki, Finland

Unmanned SystemsC4ISROptronicsRadar & SensorsDual-use
Founded 2018System Integrator, Software DeveloperSupplies Air Forces, Land Forces
Profile last updated: August 17, 2026

About

Founded in 2018, Kelluu is a defense system integrator based in Helsinki, Finland working in unmanned systems, c4isr, optronics +1 more.

Kelluu is a Finnish defence technology company that develops and operates autonomous, hydrogen-powered airships. The company states it runs the world's largest autonomous airship fleet and operates an airship factory in Joensuu, Finland. Its airships carry modular sensor payloads, including electro-optical, infrared, hyperspectral, radar, RF and communications sensors, and can fly for up to 12 hours at altitudes between 50 and 1,000 metres. Kelluu offers persistent aerial ISR for armed forces, covering land, air and maritime operations, with the company citing participation in NATO exercises and the NATO DIANA programme, and an award from NATO LANDCOM. Its civilian business provides centimetre-accurate aerial data and digital twins for energy, mining, industrial, insurance and environmental monitoring, with customers including Terrafame and Vatajankoski. The company describes its dual-use technology as strengthening surveillance across NATO countries. Kelluu was founded in 2018 and was raising a Series A round at the time of the source material.

Location

Helsinki, Finland

Founded

2018

Focus areas

autonomous airshipspersistent ISRdigital twinaerial monitoringhydrogen-poweredArcticNATO DIANAdual-useunmanned systems

Languages

EN

Products & capabilities

Defense domains

Unmanned SystemsC4ISROptronicsRadar & Sensors

Supply-chain role

System IntegratorSoftware Developer

What they offer

HardwareSoftware

Markets

Also sells to civilian markets

Products

Kelluu autonomous airship

Unmanned airship

Hydrogen-powered, autonomous airship that flies below the clouds for up to 12 hours, carrying modular sensor payloads such as EO/IR, hyperspectral, radar and RF or comms sensors. Operates in Arctic conditions and GNSS-denied environments.

Kelluu digital twin platform

Aerial data and digital twin service

Processes airship-collected imagery and sensor data into accurate 2D and 3D digital twins and change-detection analysis, delivered as a data-as-a-service offering.

End users

Air ForcesLand Forces

Standards, platforms & customers

Named customers

TerrafameVatajankoski Sähköverkko

Credentials & affiliations

Awards

Persistent Autonomy

NATO LANDCOMAward for Kelluu's Persistent Autonomy

People

Management & team (3)