ClickHouse
Software DevelopmentCalifornia, United States501-1000 Employees
ClickHouse is an open-source database system optimized for real-time analytical processing, employing a column-oriented design to enable rapid SQL-based reporting. It is described as delivering substantial speed advantages over traditional databases, capable of handling hundreds of millions to over a billion rows and tens of gigabytes of data per server per second. Users cite reliability, ease of use, and fault tolerance as notable characteristics, contributing to a broad, global user base. Based in Palo Alto, California, the company operates in the software development field, serving organizations that require live analytics, data warehousing, observability, and AI/ML workloads. Its market footprint spans multiple regions, reflecting a worldwide customer base. In June 2026, ClickHouse was recognized by AWS as a Retail Competency in the Advanced Data Insights category, signaling acknowledgment within cloud data ecosystems.