Comparison
Saildrone vs Kelluu
Saildrone — Uncrewed surface vehicles for persistent maritime intelligence and ocean mapping. Kelluu — Finnish maker of autonomous, hydrogen-powered airships providing persistent aerial intelligence for defense and civilian monitoring.
How they compare
Funding, contracts, and company data pulled directly from the Defense Tech Atlas index — see each company's full profile for sourced citations behind every figure.
| Dimension | Saildrone | Kelluu |
|---|---|---|
| Headquarters | Alameda, CA | Joensuu, Finland |
| Founded | 2012 | 2018 |
| Stage | Series C | Series A |
| Total disclosed funding | $345M | €19M (€15M Series A, April 2026, plus earlier rounds); listicle's $3M figure not corroborated |
| Valuation | $575M (Series C-1, 2024) | Not disclosed |
| Employees | 250 | Undisclosed |
| Contracts tracked | 3 contracts | None tracked |
| Investors tracked | 3 investors | 4 investors |
| Shared focus areas | autonomy, isr | autonomy, isr |