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Kelluu

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Hydrogen autonomous airships for persistent aerial intelligence

Joensuu, FinlandFounded 2018Defence

Valuation $50–100M Last recorded · 2026

Revenue <$1M Latest reported FY

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About Kelluu

Kelluu is a Finnish deeptech company that designs, manufactures and operates hydrogen-powered autonomous airships for persistent aerial intelligence, surveillance and reconnaissance (ISR). The unmanned fleet delivers long-endurance, low-emission monitoring and high-resolution sensing for defence and civilian uses (forestry, meteorology, smart-city sensing, critical-infrastructure protection and digital twins), bridging gaps between satellites and drones; press cites missions beyond 12 hours and multi-airship coverage of tens of thousands of square kilometres from a single base. A dual-use company and NATO DIANA graduate, Kelluu is also developing Kelluu AI Labs geospatial foundation models. In April 2026 Kelluu raised a €15 million Series A led by the NATO Innovation Fund (first Finnish investment), with Keen Venture Partners, Gungnir and Tesi participating. Capital optimises the platform, scales operations and expands fleet deployment.

Sources: Tech.eu 14 Apr 2026.

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At a glance

Status: Operational
Founded: 2018
Headquarters: Joensuu, Finland
Employees: 52
Open positions: 1
Dealroom signal: 90.0/100
Sector: Defence, Core AI, Autonomous Mobility, Autonomous Aerial Vehicle, Drones, Digital Twin, Industrial Technology, Industrial Connectivity, Aerial Drones, Uav, Unmanned Aerial Vehicles
Technology: Artificial Intelligence, Deep Tech, Autonomous & Sensor Tech
Business model: SaaS
Client focus: b2b
Links: Website LinkedIn X

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Funding history

7 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES A✓Equity / VC	Apr 2026	$17M	$66M	Gungnir VC · Keen Venture Partners · TeSi · NATO Innovation Fund - NIF	↗
SUPPORT PROGRAM✓Other financing	Sep 2025	$330K	—	Defence Innovation Accelerator for the North Atlantic (DIANA)	↗

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Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

Year	Revenue	Growth	Margin	Margin
2026
2025
2024
2023
2022		—
2021	—	—	—	—
2020	—	—	—	—

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Growth signals

Kelluu website traffic

Latest recorded traffic for Kelluu is 15K monthly website visits, up 72.4% over the last three months. Kelluu's team grew 44.4% over the past year.

Latest monthly visits15K 3-month web change+72.4% 1-year team growth+44.4%

Monthly website visitsJan 2020–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Open ApplicationOttawa, Canada, Northern America, Americas · Backend Development · Jul 22, 2026

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