Co-founder and President, Product & Engineering. Previously VP of Engineering at Google (Compute Engine, Anthos) and VP of Cloud & Platform Engineering at Netflix.

Executive Team

Aaron Katz

Co-Founder & CEO

Ex-Elastic (CRO), Salesforce (VP Sales).

Alexey Milovidov

Co-Founder & CTO

Creator of ClickHouse, ex-Yandex.

Board of Directors

Peter Fenton

Board Member (Benchmark)

Shardul Shah

Board Member (Index Ventures)

Aaron Katz

Board Member & CEO

Founding Story

Started in 2009 at Yandex for internal analytics; open-sourced in 2016. In 2021, the core team spun out to form ClickHouse, Inc. to build a cloud-native platform.

Business Model

Revenue

ARR growing more than 250 percent YoY as of Jan 2026; 3,000+ customers on ClickHouse Cloud.

Revenue Model

Open-core model with a fully managed cloud service (SaaS) and professional support/services for open source.

Pricing Tiers

Basic

Usage-based (~$0.2181/unit-hour)

Single AZ, daily backups, up to 1TB storage, for experimentation.

Scale

Usage-based (~$0.2985/unit-hour)

Unlimited storage, multi-AZ, BYOC options, 24x7 support.

Enterprise

Usage-based (~$0.3903/unit-hour)

Advanced compliance (HIPAA/PCI), custom scaling, 30-min response time.

Private; rumored to be preparing for IPO given $15B valuation and executive hires.

Target Markets

Industries & Segments

SaaS companies
Enterprise data engineering teams
AI startups
Digital advertising platforms
Fintech companies

Use Cases

Real-time user analytics
Observability and log analysis
Ad-tech analytics
AI infrastructure and agent observability
E-commerce analytics

Notable Customers

Padlet
Ebay
Cloudflare
Uber

Quick Facts

Headquarters

San Francisco Bay Area

Founded

2021

Entity Type

Inc.

Employees

500

Total Funding

$1.05B approx.

Investors

Index Ventures, Benchmark

Office Locations

San Francisco

Mountain View

Amsterdam

Funding History

Series D$400M

January 2026

$15B valuation

Dragoneer Investment Group

Series C$350M

October 2025

$6.35B valuation

Lightspeed Venture Partners (inferred)

Thrive Capital (inferred)

Series B$250M

October 2021

$2B valuation

Coatue Management

Altimeter Capital

History & Milestones

January 2026

Raised $400M Series D at a $15B valuation, acquired Langfuse, and launched native Postgres service.

May 2025

Raised Series C funding at a $6.35B valuation.

October 2025

Extended Series C financing to $350M and expanded leadership team.

August 2021

ClickHouse, Inc. incorporated to commercialize the project, raising $50M Series A.

October 2021

Raised $250M Series B at a $2B valuation.

Key Capabilities

Real-time analytical queries

Columnar storage

Auto-scaling compute

Compute-storage separation

Data compression

Vector search capabilities

Integrations & Partnerships

Platform Integrations

Grafana
Tableau
Looker
dbt
Superset
Postgres

Key Partnerships

Google Cloud

AWS

Microsoft Azure

Connect

Website

GitHub

X / Twitter

YouTube

Bluesky

AI Topics

ClickHouse, Inc. focuses on these topics:

Database Tools(1)

Data Processing(1)

Observability Platforms(1)

Back to all developers

ClickHouse, Inc.

To provide the world's fastest OLAP database for real-time analytics at any scale.

Visit Website

At a Glance

San Francisco Bay AreaHeadquarters

2021Est.

500Employees

Observability Platforms

Connect

AI Tools by ClickHouse, Inc.

(1)

ClickHouse

Open Source OLAP Database

Database Tools Data Processing Observability

Discussions

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Latest News

01/16/2026

ClickHouse raises $400M Series D led by Dragoneer, acquires Langfuse, and launches Postgres service.

clickhouse.com

03/31/2026

ClickHouse BYOC on Google Cloud now Generally Available.

clickhouse.com

10/07/2025

ClickHouse Extends Series C Financing to $350M and Expands Leadership Team.

clickhouse.com

03/27/2026

Building a data platform for a new user: AI agents.

clickhouse.com

Products & Services

ClickHouse Cloud

2022 (GA)

A fully managed, serverless database-as-a-service (SaaS) for real-time analytics.

ClickHouse (Open Source)

2016

The fastest open-source columnar database management system for real-time analytics.

ClickPipes

2023

A managed data ingestion service for ClickHouse Cloud.

Langfuse

2026 (Acquisition)

LLM observability and analytics platform, acquired in Jan 2026.

Market Position

Positioned as a faster and more cost-effective alternative to Snowflake and Databricks for real-time, low-latency analytics.

Leadership

Founders

Aaron Katz

Co-founder and CEO. Previously Chief Revenue Officer at Elastic and Regional Vice President of Sales at Salesforce.

Alexey Milovidov

Co-founder and CTO. Creator of ClickHouse at Yandex, where he led the development of the database for Yandex.Metrica.

Yury Izrailevsky

Co-founder and President, Product & Engineering. Previously VP of Engineering at Google (Compute Engine, Anthos) and VP of Cloud & Platform Engineering at Netflix.

Executive Team

Aaron Katz

Co-Founder & CEO

Ex-Elastic (CRO), Salesforce (VP Sales).

Alexey Milovidov

Co-Founder & CTO

Creator of ClickHouse, ex-Yandex.

Board of Directors

Peter Fenton

Board Member (Benchmark)

Shardul Shah

Board Member (Index Ventures)

Aaron Katz

Board Member & CEO

Founding Story

Started in 2009 at Yandex for internal analytics; open-sourced in 2016. In 2021, the core team spun out to form ClickHouse, Inc. to build a cloud-native platform.

Business Model

Revenue

ARR growing more than 250 percent YoY as of Jan 2026; 3,000+ customers on ClickHouse Cloud.

Revenue Model

Open-core model with a fully managed cloud service (SaaS) and professional support/services for open source.

Pricing Tiers

Basic

Usage-based (~$0.2181/unit-hour)

Single AZ, daily backups, up to 1TB storage, for experimentation.

Scale

Usage-based (~$0.2985/unit-hour)

Unlimited storage, multi-AZ, BYOC options, 24x7 support.

Enterprise

Usage-based (~$0.3903/unit-hour)

Advanced compliance (HIPAA/PCI), custom scaling, 30-min response time.

Private; rumored to be preparing for IPO given $15B valuation and executive hires.

Target Markets

Industries & Segments

SaaS companies
Enterprise data engineering teams
AI startups
Digital advertising platforms
Fintech companies

Use Cases

Real-time user analytics
Observability and log analysis
Ad-tech analytics
AI infrastructure and agent observability
E-commerce analytics

Notable Customers

Padlet
Ebay
Cloudflare
Uber

Quick Facts

Headquarters

San Francisco Bay Area

Founded

2021

Entity Type

Inc.

Employees

500

Total Funding

$1.05B approx.

Investors

Index Ventures, Benchmark

Office Locations

San Francisco

Mountain View

Amsterdam

Funding History

Series D$400M

January 2026

$15B valuation

Dragoneer Investment Group

Series C$350M

October 2025

$6.35B valuation

Lightspeed Venture Partners (inferred)

Thrive Capital (inferred)

Series B$250M

October 2021

$2B valuation

Coatue Management

Altimeter Capital

History & Milestones

January 2026

Raised $400M Series D at a $15B valuation, acquired Langfuse, and launched native Postgres service.

May 2025

Raised Series C funding at a $6.35B valuation.

October 2025

Extended Series C financing to $350M and expanded leadership team.

August 2021

ClickHouse, Inc. incorporated to commercialize the project, raising $50M Series A.

October 2021

Raised $250M Series B at a $2B valuation.

Key Capabilities

Real-time analytical queries

Columnar storage

Auto-scaling compute

Compute-storage separation

Data compression

Vector search capabilities

Integrations & Partnerships

Platform Integrations

Grafana
Tableau
Looker
dbt
Superset
Postgres

Key Partnerships

Google Cloud

AWS

Microsoft Azure

Connect

Website

GitHub

X / Twitter

YouTube

Bluesky

AI Topics

ClickHouse, Inc. focuses on these topics:

Database Tools(1)

Data Processing(1)

Observability Platforms(1)

Back to all developers