Acquisition
Jan 2026ClickHouse acquired Langfuse, an open-source LLM observability company, to enter LLM observability. The transaction was announced alongside the Series D financing; consideration was not disclosed.
SourceOpen-source column-oriented database management system.
Company research
Public company, workplace, funding, and market signals
Updated Aug 2, 2026
Overview
ClickHouse, Inc. is the company behind ClickHouse, an open-source, column-oriented analytical DBMS designed for fast real-time OLAP queries. The project began at Yandex in 2009, was open-sourced in 2016, and the Delaware corporation was formed in 2021. The company now also offers a fully managed cloud data platform spanning real-time analytics, data warehousing, observability, AI/ML workloads, and managed Postgres.
Primary product
ClickHouse Cloud and the open-source ClickHouse analytical database.
Founded
2021
Headquarters
San Francisco Bay Area / Palo Alto, California, United States
Team size
Approximately 400–500 employees; third-party estimates range higher, including 644 as of Q1 2026.
Work style
Remote
Industry
Software development
Sub-industry
Open-source databases, cloud data warehousing, real-time analytics, observability, and AI infrastructure
Offices
Palo Alto, California, United States
Mountain View, California, United States
New York City, United States
Amsterdam, Netherlands
Business model
Open-source Apache 2.0 database project
Usage-based managed cloud service
Pay-as-you-go ClickHouse Cloud with autoscaling compute and storage
Enterprise support and volume-based commercial arrangements
Managed observability and Postgres services
Funding
Stage
Late-stage private company / Series D
Total raised
$1.2B
Latest round
Series D · Jan 2026
Latest amount
$400M
Jan 2026 · Dragoneer Investment Group
Oct 2025
May 2025 · Stifel and Goldman Sachs
May 2025 · Khosla Ventures
Debt facility / Credit line (alongside Series C)
May 2025 · Stifel; Goldman Sachs
Oct 2021 · Coatue and Altimeter Capital
Sep 2021 · Index Ventures and Benchmark
People & investors
Leadership
Co-Founder & CEO
Alexey Milovidov
Co-Founder & CTO
Co-Founder & President, Product and Engineering
Chief Revenue Officer
Chief Financial Officer
Mariah Nagy
Vice President of People
Ed Lenta
Vice President, Asia Pacific and Japan
Investors
Adams Street Partners
Almaz Capital
Altimeter Capital
Battery Ventures
Benchmark
Bessemer Venture Partners
BOND
Bond (BOND Capital)
Brock Purdy
Christian McCaffrey
Citi Ventures
Coatue
Coatue Management
D. E. Shaw (D. E. Shaw & Co.)
Dragoneer Investment Group
FirstMark
FirstMark Capital
GIC
Index Ventures
Insight Partners
Institutional Venture Partners
IVP (Institutional Venture Partners)
Khosla Ventures
Kyle Juszczyk
Lead Edge Capital
Lightspeed Venture Partners
Nebius
Redpoint Ventures
Rosberg Ventures
T. Rowe Price Associates
Work & culture
ClickHouse describes itself as globally distributed, inclusive, customer-first, trust-based, and collaborative across time zones. Its stated values include Customer First, Distributed, Empathy at Work, Diversity, and Trust; the company reports that 40% of its leadership team consists of women.
Work style
Remote
Visa sponsorship
Limited
Compensation
Job postings publish location-specific salary ranges and direct candidates to paytransparency@clickhouse.com. Compensation signals include equity for all new team members, healthcare contributions, flexible/generous time off, and a remote-work stipend. Sponsorship is role- and country-dependent rather than universal.
Benefits
Equity/stock options for new employees
Employer healthcare contributions
Flexible time off in the United States
Generous time-off entitlement in other countries
$500 remote home-office setup stipend
Company-wide global gatherings
Remote-friendly work across 20+ countries
Product & market
Pricing
ClickHouse Cloud is usage-based and pay-as-you-go, with autoscaling compute and storage, a free trial/credits offer, and volume-based discounts for larger customers. The open-source database can be self-managed under Apache 2.0.
Differentiators
- —Very fast, low-latency analytical SQL over large real-time datasets
- —Open-source Apache 2.0 core with an active community
- —Columnar, vectorized execution and native high-performance storage
- —Combines real-time ingestion, analytics, observability, and AI workloads
- —Managed cloud deployment across major cloud providers
- —CDC/streaming integrations through ClickPipes and ecosystem tooling
- —Price-performance positioning; company-published CostBench reports materially better cost-performance than tested warehouse alternatives
- —New unified ClickHouse Cloud stack combining analytics with managed Postgres and AI observability
Technology
C++
Columnar storage
Vectorized execution
JIT compilation
SQL
Apache 2.0
ClickHouse Cloud
Kafka and Kafka Connect
Debezium
ClickPipes CDC/streaming
MergeTree table engines
Materialized views
Projections
Apache Iceberg
Delta Lake
Full-text search
Managed Postgres
Langfuse LLM observability
MCP integrations
Customers
Anthropic
Meta
Cursor
Sony
Tesla
Capital One
Lovable
Decagon
Polymarket
Airwallex
Memorial Sloan Kettering
Lyft
Instacart
Visa
Cisco
Competitors
Snowflake
Databricks
Google BigQuery
Amazon Redshift
SingleStore
PostgreSQL for analytical workloads
Scale & contact
Estimated revenue
More than $250M annual run-rate revenue as of May 2026, according to ClickHouse; this is ARR/run-rate rather than audited annual revenue. A third-party company profile separately estimated approximately $50M–$60M annual revenue, so public estimates are inconsistent.
Estimated monthly visits
786.3K
Traffic estimate as of Jun 2026
Signals & risks
Other
Jan 2026The Series D priced ClickHouse at a reported $15 billion valuation, creating execution and valuation risk typical of a high-growth late-stage private company.
SourceOther
Nov 2025ClickHouse expanded into adjacent products and partnerships, including Microsoft OneLake integration and later managed Postgres; these broaden the opportunity but increase product and execution complexity.
SourceLatest news
TechCrunch · May 2026
TechCrunch reported that ClickHouse crossed a $250M annualized revenue run rate and had more than 4,000 customers; the company is reportedly considering a future IPO.
ClickHouse · May 2026
The company reported more than $250M ARR, over 4,000 customers, ClickHouse Agents powered by Anthropic Claude, managed ClickStack, and its House Mates partner program.
ClickHouse · Apr 2026
ClickHouse announced expanded Google Cloud collaboration covering deployment, infrastructure, and AI tooling.
ClickHouse · Jan 2026
ClickHouse announced a $400M Dragoneer-led Series D, a reported $15B valuation, Langfuse acquisition, and native Postgres service.
Reuters · Jan 2026
Reuters coverage reporting valuation and market context around ClickHouse's January 2026 fundraising and product moves, noting investor participation and market positioning [Reuters](https://www.reuters.com/technology/database-management-firm-clickhouse-valued-15-billion-amid-ai-boom-2026-01-16).
Jobs and careers at ClickHouse
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