Company

ClickHouse

Open-source real-time analytical database and managed cloud service (ClickHouse Cloud) used by AI companies and enterprises for high-speed data ingestion and analytics at scale.

Developer ToolsCloud InfrastructureData & Analytics

People

Aaron Katzco-founder

Funding History

Jan 20, 2026

ClickHouse raised $400M in a round led by Dragoneer, with participation from existing and new investors. The company was not actively running a process; the round came together over the holidays.

400M

Investors

Dragoneer

News

Interviews (1)

ClickHouse raises $400M as AI companies including Anthropic, OpenAI, and Tesla use it for real-time analytics
20 Jan 2026