Several leading technology and digital-first enterprises use ClickHouse for large-scale data analytics, proving its value in high-volume, low-latency workloads. Prominent adopters include Cloudflare, which relies on ClickHouse for DNS and HTTP traffic analytics, and Uber, Lyft, and eBay, which use it for internal logging, real-time metrics, and user behavior analysis. Streaming and SaaS companies such as Spotify, GitLab, Twilio, HubSpot, and ServiceNow also leverage ClickHouse to power dashboards, observability platforms, and customer analytics at scale. In the enterprise segment, firms like IBM, Microsoft, Cisco, Deutsche Bank, and Checkout.com apply ClickHouse to a mix of risk monitoring, fraud detection, and operational reporting. Together, these use cases highlight ClickHouse’s strengths in speed, scalability, and cost-efficient analytics across industries.