Seed · Data & Analytics · Tallinn, Estonia · Founded 2022 · 11–50 employees
Leil Storage is an enterprise data storage company developing software-defined solutions for high-density hard drives. The company builds distributed parallel file systems, including its open-source SaunaFS and commercial Leil OS, to make HM-SMR and HAMR hard drives practical for standard enterprise workloads. By automating sequential write complexity and power-disabling inactive drives, its technology delivers up to 20% more capacity per disk and up to 70% energy savings. In November 2025, the firm secured a EUR 1.5 million seed investment led by Karma Ventures to scale its hyperscale-efficient on-premises data infrastructure solutions.
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