ClickHouse
Worth-Joining Index · Scorecard
v2.1 ALPHA · 2026-08Career Score
74/100
Coverage
79%
Verified
33%
Stage cohort
Late
Vibe Check
🎪 community voting coming soon
Latest valuation
$15B (Series D, 2026-01)
Traction · Key numbers
Funding
Rounds
2
Valuation pace
Valuation rose from $6.35B to $15B in 8 months
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
$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
Signals & Risks
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
data as of 2026-01 · Source: ClickHouse blog / Bloomberg ↗
data as of 2026-05 · Source: TechCrunch ↗
data as of 2026-05 · Source: TechCrunch ↗
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