ClickHouse

Fast open-source analytical database.

San Francisco, CA, USA
Founded 2021

ClickHouse is an open-source, column-oriented database management system (DBMS) designed for online analytical processing (OLAP). It excels at handling massive datasets efficiently, making it a popular choice for real-time analytics, observability, business intelligence, and financial services.

Last Updated: May 27, 2026

Current Valuation

$15B

as of January 16, 2026 (Source)

Funding Summary

$1B

Total reported funding

Key People

Aaron Katz
Co-founder & CEOFounder
LinkedIn Profile
Alexey Milovidov
Co-founder & CTOFounder
LinkedIn Profile

Core OSS Projects

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time.

License: Apache 2.0

Business Information

Industries

Financial Services

Technologies

Data WarehousingColumnar Storage

Sectors

Enterprise

Licenses

Apache-2.0

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