ClickHouse company profile: valuation, funding & revenue

This ClickHouse company profile covers the company's valuation, revenue, funding rounds, investors and history. ClickHouse works in data infrastructure, with a focus on real-time analytics database. It was founded in 2021 and is headquartered in San Francisco Bay Area, California, United States. Its latest valuation on record is About US$15 billion (January 2026). Every figure links to a public source, and anything the company hasn't disclosed is marked as such.

Revenue

More than US$250 million annual run-rate revenue for its cloud business, more than triple a year earlier — Run-rate revenue (company-reported), as of May 2026. Source: ClickHouse.

Funding history

ClickHouse timeline

Key dates from the sources on this page, oldest first. Metric snapshots are listed after the funding events.

• 2021 — ClickHouse is founded in San Francisco Bay Area by Aaron Katz (CEO), Yury Izrailevsky and Alexey Milovidov.
• 2025 — Series C: US$350M, valuing the company at About US$6.35B. Investors: Khosla Ventures (lead).
• Jan 2026 — Series D: US$400M, valuing the company at About US$15B. Investors: Dragoneer (lead); Bessemer, GIC, Index Ventures, Khosla Ventures, Lightspeed, T. Rowe Price, WCM.
• May 2026 — Customers: About 4,000.

Investors

Overview

ClickHouse makes an extremely fast database for analytics. Companies use it to query billions of rows of data in fractions of a second, powering dashboards, observability (monitoring logs, metrics and traces from software systems), product analytics, financial analysis and, increasingly, AI applications that need fast access to large data sets. The software is open source and widely used; the company earns most of its revenue from ClickHouse Cloud, a fully managed version.

The ClickHouse database was created by Alexey Milovidov at Yandex, the Russian technology company, where it powered web analytics, and was released as open source in 2016. In 2021, ClickHouse Inc. was formed as an independent company headquartered in the San Francisco Bay Area, with Aaron Katz, a former Elastic executive, as CEO, Yury Izrailevsky, formerly of Google and Netflix, as president of product and engineering, and Milovidov as CTO. It has since grown into one of the most valuable data infrastructure companies.

Why it is fast

ClickHouse is a "columnar" database: it stores data by column rather than by row, so analytical queries that look at a few columns across billions of rows read far less data. It compresses data heavily, processes it in parallel across many processor cores and machines, and uses vectorised execution, processing many values at once. The result is query speeds that are often many times faster than general-purpose databases for analytics workloads, and lower costs for storing large volumes of data.

Products

• Open-source ClickHouse: free to run on a company's own infrastructure.
• ClickHouse Cloud: a managed service on major cloud providers, handling scaling, backups and operations.
• Observability: ClickStack and related tools for storing and analysing logs, metrics and traces, competing with dedicated monitoring vendors.
• AI and agents: features for AI-powered analytics, including agents that can answer questions about data in plain language.

Growth

In May 2026, ClickHouse said its cloud business had passed US$250 million in annual run-rate revenue, more than triple a year earlier, with about 4,000 customers. Customers include large technology companies and AI firms that use it for observability and analytics at massive scale. Later in 2026, reports pointed to further growth. ClickHouse hired a former Snowflake chief financial officer and has said it is working towards an IPO within the next few years.

Funding

ClickHouse has raised more than US$1 billion. A US$350 million Series C in 2025 valued it at about US$6.35 billion. In January 2026 it raised a US$400 million Series D at about US$15 billion, led by Dragoneer, with Bessemer Venture Partners, GIC, Index Ventures, Khosla Ventures, Lightspeed Venture Partners, accounts advised by T. Rowe Price and WCM Investment Management. Earlier backers include Benchmark, Index Ventures and Coatue.

Competition

ClickHouse competes with cloud data warehouses such as Snowflake, Google BigQuery and Amazon Redshift, with Databricks, with real-time analytics databases such as Apache Druid and Apache Pinot, and with observability vendors such as Datadog, Elastic and Splunk. Its advantages are speed, cost efficiency at large scale, a strong open-source community and growing adoption by AI companies.

ClickHouse at a glance

ClickHouse is a real-time analytics database company formed in 2021 around the open-source database created at Yandex. Led by CEO Aaron Katz, it reported more than US$250 million in cloud run-rate revenue and about 4,000 customers in May 2026. It raised US$350 million at about US$6.35 billion in 2025 and US$400 million at about US$15 billion in January 2026, led by Dragoneer.

Observability: a big growth market

Modern software systems generate enormous volumes of logs, metrics and traces, records of what every service is doing. Engineering teams use observability tools to detect problems and understand performance. Traditional observability vendors charge based on the volume of data ingested, which becomes very expensive at scale. Some companies have moved this data to ClickHouse to cut costs while keeping fast queries. Winning observability workloads is a major growth opportunity, because they are large, recurring and growing as software systems become more complex, especially with AI applications.

Open source and the cloud business model

Many infrastructure companies follow the same path: build a popular open-source project, then sell a managed cloud version that saves customers the work of running it themselves. The risk is that cloud providers offer their own managed versions of the open-source software, capturing revenue without contributing much. Some companies responded by changing licences; ClickHouse has kept its core under a permissive open-source licence while competing on the quality of its cloud service. Similar strategies are used by Supabase and others.

Valuation context

At about US$15 billion, ClickHouse's valuation was roughly 60 times its May 2026 cloud run-rate revenue, reflecting very fast growth and investor appetite for AI-related infrastructure. Our guide to SaaS valuation multiples explains how such multiples compare with public software companies.

Questions for data teams

• Which workloads need sub-second queries on very large data sets?
• Would self-hosting or the managed cloud suit your team better?
• How do total costs compare with your current warehouse or observability vendor?

Who uses ClickHouse

ClickHouse users range from startups building analytics into their products to some of the world's largest technology companies. Typical uses include customer-facing dashboards that must load instantly, monitoring platforms that store trillions of log lines, ad-tech systems that analyse auctions in real time, and financial firms that query market data. AI companies use it to track model usage, costs and quality across millions of requests. Many users start with the free open-source version and move to ClickHouse Cloud once they want the company to handle operations.

Latest developments (October 2026)

ClickHouse's January 2026 Series D of US$400 million, led by Dragoneer at about US$15 billion, remains its latest round, and it acquired the LLM observability startup Langfuse alongside it, according to Bloomberg. At its Open House conference in May 2026 the company said its cloud business had passed US$250 million in annualised revenue, more than triple a year earlier, and reported about 4,000 customers. Third-party estimates from Sacra put recurring revenue higher by August 2026, but those are not company figures. ClickHouse has not announced IPO plans. See our developer tools guide.

What to watch

Watch revenue milestones, observability and AI adoption, IPO preparation, and competition from cloud providers and data platforms.

Takeaways

Engineering and data teams can reduce analytics and logging costs at scale. Founders can learn from ClickHouse's path from internal tool to open-source project to company. Investors should watch whether growth supports an IPO valuation near or above its private mark.

Sources

Every figure on this page comes from the public sources below. Where sources disagreed, we used the company's own announcement or a primary news report. Private-company data changes; check the date beside each figure.

1. Yahoo Finance (Reuters)
2. ClickHouse