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ClickHouse

clickhouse.comadded 2026-09-02
Series C extension to Series D in under a year, valuation jumping from $6.35B to $15B, with Dragoneer leading D — late-stage capital is already pricing in an IPO path

Worth-Joining Index · Scorecard

v2.1 ALPHA · 2026-08

Career Score

74/100

Coverage

79%

Verified

33%

Stage cohort

Late

Vibe Check

🎪 community voting coming soon

Momentum
16/16
Efficiency
4.5/6
Backing
4/5
Market
7.7/11
Product
8.8/11
Upside
7/16

Latest valuation

$15B (Series D, 2026-01)

Series C Extension · 2025-10

年化收入

~$250M annualized revenue

数据库开发者工具实时分析Founded · 2021Stage · Late Stage (Series D)HQ · San Francisco, CA

Traction · Key numbers

年化收入~$250M annualized revenue (2026-05)Reported tripling of annualized revenue to $250M Publicly verifiableas of 2026-05
收入增长~3x YoY (annualized revenue tripled, 2026-05)Company also cited >250% YoY ARR growth as of Series D (Jan 2026) per ClickHouse blog Publicly verifiableas of 2026-05
Valuation paceValuation rose from $6.35B (Series C, May 2025) to $15B (Series D, Jan 2026) in 8 months Publicly verifiableas of 2026-01

Funding

Rounds

2

Valuation pace

Valuation rose from $6.35B to $15B in 8 months

C

Series C Extension · 2025-10 · led by Dragoneer Investment Group

With: Citi Ventures, Insight Partners, Peak XV Partners, Founders Circle Capital, D. E. Shaw Ventures · Round extension adding several new institutional investors

C

$350M

Series C · 2025-05 · valuation $6.35B post · led by Khosla Ventures

With: BOND, IVP, Battery Ventures, Bessemer Venture Partners, Index Ventures, Lightspeed, GIC · Accompanied by a $100M credit facility from Stifel and Goldman Sachs

Series C extension to Series D in under a year, valuation jumping from $6.35B to $15B, with Dragoneer leading D — late-stage capital is already pricing in an IPO path

ClickHouse Cloud's growth rate (~3x YoY) is unusually fast for a late-stage company, suggesting the open-source-to-paid-cloud conversion motion is genuinely working

Repeat backing from Khosla, Index, Coatue, and now Dragoneer is a 'conviction top-up' pattern, not first-time bets

Founders

Aaron Katz CEO

Former Salesforce executive; co-founded and became CEO of ClickHouse, Inc. in 2021

Alexey Milovidov CTO

Originally designed and built the ClickHouse database technology while at Yandex

Yury Izrailevsky Co-founder

Leads product and engineering

Reality · Working here

H1B / PERMUnknown
Remote policyUnknown
Comp modelUnknown
GlassdoorUnknown — work here? Help us fill this in →
Equity liquidityUnknown
Hiring statusUnknown

Signals & Risks

CompetitorsSnowflakeDatabricksElastic
Open-source monetizationAs a company built on an open-source project, converting its large community user base into paying ClickHouse Cloud customers remains an ongoing challenge
CompetitionCloud data giants like Snowflake and Databricks are moving fast into real-time analytics, potentially eroding ClickHouse's differentiation
ValuationTwo funding events within months pushed valuation above $6.35B, raising the bar for future growth and any eventual IPO

Editorial ✎

Good fit for

· Database-kernel and distributed-systems engineers — one of the few companies where OLAP engine performance is still the actual competitive edge, not marketing

· Engineers who want to build an enterprise cloud product while staying close to an open-source community — the ClickHouse Cloud team answers to some of the world's most demanding OSS users daily

· People who like the 'commercialize an open-source project all the way' path — conversion funnels, pricing, enterprise sales are all still being defined

Not for

· People who want to build easy-onboarding consumer-style SaaS — the user base is data engineers, and product complexity stays high by nature

· Anyone allergic to late-growth-stage 'scale the process' work — the company is well past the 0-to-1 phase

Ask in the interview

1. What's the actual conversion rate from open-source users to paying ClickHouse Cloud customers — is this funnel proven, or is revenue still mostly driven by direct enterprise sales?

2. With Snowflake and Databricks pushing harder into real-time analytics, where exactly is ClickHouse's moat — performance, cost, or ecosystem lock-in?

3. Valuation roughly doubled in 8 months — what's the internal timeline and multiple expectation for the next round or IPO, and does the team think this pace is sustainable?

Data changelog

Community corrections → editorial review → applied, fully on the record

2026-09-02
最近一轮领投机构 filled in as Dragoneer Investment Group

data as of 2026-01 · Source: ClickHouse blog

Publicly verifiable
2026-09-02
最近一轮估值 filled in as $15B (Series D, 2026-01)

data as of 2026-01 · Source: ClickHouse blog / Bloomberg

Publicly verifiable
2026-09-02
收入增速 filled in as ~3x YoY (annualized revenue tripled, 2026-05)

data as of 2026-05 · Source: TechCrunch

Publicly verifiable
2026-09-02
ARR / 年化收入 filled in as ~$250M annualized revenue (2026-05)

data as of 2026-05 · Source: TechCrunch

Publicly verifiable
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