Kelluu
Kelluu is an aerospace company in Helsinki, Finland, founded in 2023. It has raised $17.6M across 1 round, most recently a $17.6M Series A in April 2026.
Persistent aerial platform for smart and secured environments
- Headquarters
- Helsinki
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- kelluu.com
- Total Funding
- $17.6M
- Last Round
- $17.6M Series AApr 2026
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round for this company. The full record is or through the API.
About
Kelluu operates the world's largest fleet of autonomous hydrogen-powered airships, delivering persistent aerial intelligence for defense, critical infrastructure, and environmental monitoring. Based in Helsinki, the company fills the gap between satellites and drones by providing 12-hour continuous flight missions at centimeter-level resolution, enabling digital twin creation and live monitoring feeds. Kelluu is NATO DIANA Phase 2 selected and backed by the NATO Innovation Fund.
Summary
It lists 11–50 employees. It has raised $17.6M in total across 1 round, most recently a $17.6M Series A round in Apr 2026.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Apr 2026
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