ClickHouse is a premier real-time analytical database management system designed to process trillions of rows of data and gigabytes of throughput per second. As a leader in real-time analytics, data warehousing, observability, and AI/ML, the platform provides the industry's fastest performance for online analytical processing. Its flagship columnar architecture allows for lightning-fast queries on massive datasets, ensuring that enterprises can move beyond slow, batch-processed insights to capture the true speed of their business operations and AI-driven applications.

ClickHouse has raised $400 million in its latest Series D funding round, bringing its valuation to $15 billion. The round was led by Dragoneer Investment Group, with participation from Bessemer Venture Partners, GIC, Index Ventures, Khosla Ventures, Lightspeed Venture Partners, T. Rowe Price Associates, and WCM Investment Management.

ClickHouse, headquartered in Palo Alto, California, United States, was founded in 2021 by Aaron Katz, Alexey Milovidov, and Yury Izrailevsky. In 2021, the company joined the unicorn club. "ClickHouse was built to deliver exceptional performance and cost efficiency for the most demanding data workloads, and this momentum validates that strategy," said Aaron Katz, CEO and co-founder of ClickHouse. "As we look toward the future, we are adding support for unified transactional and analytical workloads, so developers can build any type of applications powered by AI on the best technical foundation. And we are expanding our offering to include LLM observability, so AI application builders can evaluate the quality and behavior of AI outputs as they move into production. Additional funding, combined with continued product execution, positions us to deliver the leading data and LLM observability platform in the AI era."