ClickHouse

clickhouse.com

ClickHouse declares 13 subprocessors, plus 4 of its own affiliates, in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and Microsoft. No published changes since we first read it on Sep 22, 2026. 183 tracked vendors name ClickHouse as a subprocessor, including Salesforce, Twilio and SendGrid.

Includes: Langfuse

Subprocessors CSV of ClickHouse's subprocessors · Atom feed of ClickHouse's subprocessors DORA draft CSV of ClickHouse's subprocessors as declared by ClickHouse what's this? · 

13 third parties, 4 affiliates.

NamePurposeLocationListed since
Amazon Web Services (AWS) Cloud hosting and infrastructure providerCustomer Selected
AWS Data ingestion pipeline; Querying of Customer Personal Data Customer has ingested into ClickHouse Cloud.United States of America, Germany, and Singapore; Various (locations here)
AWS Bedrock AIGenerative AI servicesUnited States of America, Germany, and Singapore
Azure Cloud hosting and infrastructure provider; Data ingestion pipelineCustomer Selected; Various (locations here)
GCP Data ingestion pipelineVarious (locations here)
Github, Inc. Support escalationsUnited States of America
Google LLC (Workspace) Email and office applicationsUnited States of America
Google Cloud Platform (GCP) Cloud hosting and infrastructure providerCustomer Selected
kapa.ai, Inc. Support deflection with AIUnited States of America
Langfuse GmbH Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services.Germany
Pylon Labs, Inc. Customer support chat platformUnited States of America
Salesforce, Inc. Customer support case management, messaging services (Slack)United States of America
Waypoint Tech Inc. Support knowledge managementUnited States of America
ClickHouse affiliates (4)
NamePurposeLocationListed since
ClickHouse, Inc. Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services.Germany; Japan; Singapore; The Netherlands; United States of America
ClickHouse Australia Pty Ltd Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services.Australia
ClickHouse India Private Limited Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services.India
ClickHouse UK Co. Ltd. Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services.United Kingdom

Web TechnologiesCSV of ClickHouse's web technologies · Atom feed of ClickHouse's web technologies

ClickHouse's homepage made 410 requests to 28 domains, 14 services controlled by another company, and 1 domain not identified.

Advertising (4): Google Cloud, X Corp., Spotify AB, Reddit, Inc.Analytics (4): Reo.Dev, LinkedIn, Meta, UnifyMarketing automation (3): Clearbit, Conversion, AdobeA/B Testing (1): GrowthBookOther (2): SEO: Ahrefs; Security: Securiti

14 third parties by category: Advertising 4Analytics 4Marketing automation 3A/B Testing 1Other 2

Third parties 14 · 55 requests
Google Cloudsubprocessor DoubleClick Floodlight Google Tag Manager 2% of the page's requests 9
Securiti Securiti 2% of the page's requests 9
Reo.Dev Reo.Dev 1% of the page's requests 5
X Corp. Twitter Ads 1% of the page's requests 5
Clearbit Clearbit <1% of the page's requests 4
Conversion Conversion <1% of the page's requests 4
Adobe Marketo <1% of the page's requests 3
LinkedIn Linkedin Insight Tag <1% of the page's requests 3
Meta Facebook Pixel 2.9.433 <1% of the page's requests 3
Spotify AB Spotify Pixel <1% of the page's requests 3
GrowthBook GrowthBook <1% of the page's requests 2
Reddit, Inc. Reddit Ads <1% of the page's requests 2
Unify Unify <1% of the page's requests 2
Ahrefs Ahrefs <1% of the page's requests 1
Unknown 1 · 2 requests

cr-relay.com

First party 1 · 353 requests
ClickHouse Cloudflare Framer Motion Google Analytics HSTS HTTP/3 Linkedin Ads Lucide Next.js 16.3.3 Next.js App Router Open Graph PWA Priority Hints React Swiper Turbopack Vercel Webpack core-js 3.32.2 86% of the page's requests 353

6 tracked companies loaded by the homepage are not in ClickHouse's subprocessor list. A website can use a service without it processing customer data.

Subprocessor of (183)CSV of the companies listing ClickHouse · Atom feed of the companies listing ClickHouse

183 companies
  • Aaru aaru.com Analytics data store; Data storage and processing
  • Abusix abusix.com Analytics database; Managed analytics database for threat intelligence and service data.
  • Acrolinx acrolinx.com Database as a service
  • Ada Support ada.cx Analytics
  • Adaptive Security adaptivesecurity.com Data Warehouse; Data warehouse and analytics database for large-scale data processing.
  • AirCall aircall.io Data analytics and data processing services. ClickHouse provides database and data processing infrastructure used to analyze platform metrics and operational usage data.
  • Alguna alguna.com Usage metering data warehouse
  • Ambition ambition.com Analytics
  • Ampersand ampersand.ai Data storage and analytics; Stores integration run data, logs, and analytics used to operate and monitor Ampersand's services.
  • Appcues appcues.com Provides managed database services.
  • Applied Compute appliedcompute.com Analytics database
  • Arcade arcade.software Data and analytics; Storage and querying of product and viewer event data used to operate, measure, and support the Services.
  • Ashby ashbyhq.com Analytics
  • Attention attention.com Data storage & analytics
  • Avoma avoma.com Analytics
  • b.well Connected Health icanbwell.com Database
  • Beyond Work beyondwork.ai Event log storage, one database per tenant
  • BigPanda bigpanda.io Cloud Service Provider: Used to support high-speed storage and querying of operational; data flowing into BigPanda’s AI Detection and Response capabilities, enabling BigPanda to; deliver enhanced detection accuracy and faster contextual insights across the platform.
  • Bird bird.com Analytics Data Base Service Provider; Analytics Database Service Provider
  • Blacksmith blacksmith.sh Observability and analytics database hosting
  • Braze braze.com A managed database provider that hosts analytical data to enable statistical and diagnostic reporting, products and features.
  • Browserbase browserbase.com Data storage, processing, and analytics infrastructure; Provides data storage, processing, and analytics infrastructure used in connection with certain Browserbase services.
  • Buildkite buildkite.com Column-oriented database management system; Database management
  • Cerbos cerbos.dev
  • Cerebrium cerebrium.ai Application logs and usage analytics; Database Provider
  • Chameleon Intelligent Tech chameleon.io Data Warehouse
  • ChargeBee chargebee.com Database analytics provider: It is used for tracking product consumption information and serving as a storage layer and aggregator of usage events. It is used in the delivery of the usage-based billing (UBB) capability.
  • Check Point Software Technologies checkpoint.com Event logging and operational monitoring
  • CircleCI circleci.com Data storage and analytics
  • Clarify clarify.ai Data Warehouse
  • Clay clay.com Database
  • Clerk clerk.com Clerk uses ClickHouse Cloud for storage and processing of analytical workloads, and fraud analysis.
  • Clever clever.com Log processing and Cloud hosted database
  • Common Room commonroom.io Structured data storage and querying
  • Composio composio.dev Stores trigger logs, delivery callbacks, tool/metering usage logs.
  • Confident AI confident-ai.com Data storage
  • CookieYes cookieyes.com Pageview calculations, billing
  • Courier courier.com Analytics
  • Crossdeck cross-deck.com Analytical aggregation of event data — time-series queries, funnels, retention cohorts, custom-event breakdowns. Customer-side dashboard queries route through ClickHouse for read performance.
  • Culture Amp cultureamp.com ClickHouse is an analytical database provider used to power product reporting and insights features. It stores survey responses, performance data, and employee data records to enable real-time analytics queries.
  • Day AI day.ai Database platform
  • Decagon decagon.ai Online analytics database for insights dashboard and analytics
  • DoiT doit.com Cloud data warehouse and analytics platform
  • Drivetrain drivetrain.ai
  • Expel expel.com Cloud data analytics (security, operations, business intelligence)
  • Expo expo.dev analytics services
  • Fathom Analytics usefathom.com Analytics database hosting
  • Fillout fillout.com
  • Fly.io fly.io Audit log storage for control plane API requests
  • Frill frill.co Real-time database and analytics
  • Front front.com Reporting and analytics; Conversation transcription
  • Future AGI futureagi.com Analytical database; Analytical database for traces and metrics
  • Gamma gamma.app Usage analytics
  • GitBook gitbook.com Database infrastructure
  • GitGuardian gitguardian.com Managed OLAP database for high-scale analytics, search and feature computation across the GitGuardian platform
  • GitLab gitlab.com Database Hosting
  • Granola grano.la Infrastructure & Hosting; Purpose of processing – Storage of usage and event/telemetry data Hosting location – United States Entity address – 650 Castro St, Ste 120, Mountain View, CA 94041, USA Compliance measures – [Clickhouse Security & Compliance](
  • GrowthBook growthbook.io Data storage and processing
  • Harmonic Security harmonic.security Clickhouse provide relational database management services for the Harmonic Security application.
  • Harness.io harness.io --- Platform Services and Enablement --- Data Platform
  • Hasura hasura.io
  • Help Scout helpscout.com Real-time analytical database
  • Hookdeck hookdeck.com Databases
  • Hubstaff hubstaff.com
  • Hypatos hypatos.ai Cloud-based database and analytics service for storage, processing, and querying of structured data related to customer document processing workflows
  • Inception Labs inceptionlabs.ai Data storage and processing; Database management system used for high performance analytics and real-time processing of large datasets.
  • Infisical infisical.com Infisical uses ClickHouse to store audit logs generated by the Products.
  • Inngest inngest.com Cloud database storing event data, function run data include inputs, outputs, steps input and metadata, account application metrics.; Data storage
  • Jam.dev jam.dev Event data indexing and querying
  • Jamf jamf.com Managed database services [4]
  • Kinsta® kinsta.com Analytics and log storage
  • Klaviyo klaviyo.com Database and Analytics Service (Real-Time Storage, Querying, and Reporting)
  • Knock Labs knock.app Analytics database
  • KnoCommerce knocommerce.com Analytics database
  • Koah Labs koahlabs.com Analytics DB host
  • Kustomer kustomer.com Cloud database provider used for high-speed analytical data processing and log storage.; Reporting and Analytics
  • Lago getlago.com Analytics database for usage metering and event aggregation. Processes usage events and metering data.
  • Laminar laminar.sh customers' observability data with related metadata, customer's datasets created from observability data.
  • LangChain langchain.com Production Database; Production database
  • Langfuse langfuse.com Provision of technical services, support services, and supporting the provision, management and maintenance of the Langfuse Cloud Services.
  • Lansweeper lansweeper.com Analytics
  • Laravel laravel.com Database provider
  • LaunchDarkly launchdarkly.com Data warehouse
  • Levenza levenza.com Real-time event and query processing database
  • Lovable lovable.dev Analytics database. Holds platform usage data and end-user analytics from customers’ published apps.
  • Luma luma.com Analytics database
  • m3ter m3ter.com Provision of cloud computing services
  • Magnolia magnolia-cms.com Processing Platform Log Files
  • Mentimeter mentimeter.com Real-time data processing and in-app analytics
  • Metabase metabase.com Data warehouse for Metabase Storage option.
  • Metoro metoro.io Database
  • Mintlify mintlify.com Cloud Infrastructure. Provides data storage and infrastructure hosting for Mintlify services.
  • Mobile Action mobileaction.co Data storage and processing for log and analytics data; Engineering
  • Modal modal.com Logging service
  • Movable Ink movableink.com Hosted Database Service
  • Nango nango.dev Logs & Metrics
  • Nektar.ai nektar.ai Analytics
  • ngrok ngrok.com Business Intelligence
  • Novu novu.co Analytical Database
  • nylas nylas.com Observability
  • Oasis Security oasis.security Database management system
  • Oh Dear ohdear.app Storing performance metrics and analytics data
  • OpenRouter openrouter.ai Database
  • OPSWAT opswat.com ClickHouse is used to store and process application logs and statistical data generated through the operations for our services of MetaDefender Cloud.
  • Orb withorb.com Data warehouse
  • Outreach outreach.io Infrastructure Monitoring and Logging
  • OverOps overops.com --- Platform Services and Enablement --- Data Platform
  • Perplexity AI perplexity.ai Data analytics; Reporting and analytics
  • Persona withpersona.com
  • PlanetScale planetscale.com Data hosting and analytics
  • Plivo plivo.com Data Warehouse
  • Prisma prisma.io Centralised Logging and Log Analytics; Cloud monitoring
  • Productive productive.io Cloud-based Data Warehousing and AI Observability Services
  • Ramp ramp.com Data Warehouse
  • Reco reco.ai DB
  • Red Box redboxvoice.com Analytics database for AI agents and application data
  • Regal regal.ai
  • Relay Commerce relaycommerce.io
  • Render render.com Hosting / Cloud Platform
  • Retell AI retellai.com
  • Retool retool.com Third-Party data store for managing Agent logs
  • Rewst rewst.io Database Management and Reporting
  • Rill Data rilldata.com IT infrastructure
  • RingCentral ringcentral.com Powers data analytics
  • Riverbed riverbed.com
  • Rootly rootly.com Columnar analytics database for AI evaluation and product analytics
  • Rubrik rubrik.com
  • RWX rwx.com System log storage and analysis
  • Salesforce salesforce.com
  • Sanity sanity.io We rely on Clickhouse to host our infrastructure and some analytics logs.
  • Sazabi sazabi.com Analytics database and data warehousing
  • Segment segment.com Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
  • SendGrid sendgrid.com Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
  • Sendoso sendoso.com Analytics Database
  • SEON seon.io Database SaaS service provider; OLAP database platform used for real-time analytics and event data processing.
  • Serverless Framework serverless.com Data storage and processing; Stores application data for supported use cases
  • Session Rewind sessionrewind.com Data hosting and processing
  • Seventh Sense theseventhsense.com Analytics database
  • Sherpa withsherpa.ai
  • Showpad showpad.com Reporting & analytics
  • Simetrik simetrik.com ClickHouse is currently in the onboarding phase. At this stage, the service is being assessed and has not yet been enabled for production data processing within the Simetrik platform.
  • Sitecore sitecore.net Storage and analytics supporting response collection and reporting
  • Skio skio.com Analytics and data warehousing
  • Snitcher snitcher.com Analytics database
  • Socket socket.dev organization alerts and analytics
  • SolarWinds solarwinds.com
  • sparkpost sparkpost.com Analytics Data Base Service Provider; Analytics Database Service Provider
  • Split.io split.io --- Platform Services and Enablement --- Data Platform
  • Sprout Social sproutsocial.com
  • SproutVideo sproutvideo.com
  • StackGen stackgen.com Real-time analytics database and data warehousing for high-performance analytical processing
  • StackGuardian stackguardian.io Datastore Providers
  • Stigg stigg.io Cloud computing and storage
  • Superside superside.com
  • SuprSend suprsend.com Datastore Providers
  • Synder synder.com Columnar analytics database for reporting workloads.; Data storage and processing
  • Synthesia synthesia.io powers analytics for Sessions
  • T-Pro tpro.io ClickHouse Cloud hosts T-Pro’s reporting and analytics database. Selected reporting fields, including identifiers and workflow metadata, are replicated from the production platform so customers and T-Pro can report on documentation volumes, turnaround and system performance. Clinical transcription text and NLP content are not replicated to ClickHouse under the current implementation. Data is encrypted in transit and at rest, and deletions in the source platform propagate to ClickHouse so that removed records are not retained in the analytics copy.; Reporting and analytics
  • Tableau tableau.com
  • TeamOhana teamohana.com Datastore Providers
  • Teamtailor teamtailor.com Storage
  • Tenable tenable.com
  • Tiger Pistol tigerpistol.com Cloud-hosted analytics database for serving campaign performance analytics.
  • Trigger.dev trigger.dev Database provider for real-time analytics
  • Twenty twenty.com ClickHouse stores Twenty's audit logs, which record activity within the CRM and can contain Customer Personal Data (for example, the content or identifiers associated with a logged action). Processed in Germany. Always engaged. Transfers outside the EEA are covered by the EU Standard Contractual Clauses where applicable.
  • Twilio twilio.com Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
  • Unified.to unified.to API call logs
  • Unify unifygtm.com Cloud hosted data storage system used provide users with faster and more powerful ways to search and aggregate their data.; Data Storage and Processing
  • Uniphore uniphore.com Analytics database for AI agents and application data
  • Upstash upstash.com
  • Userflow userflow.com Analytics Database
  • Validity validity.com Database Management System; Product/Infrastructure
  • Vamp vamp.io Data storage and analytics
  • Vapi vapi.ai Database
  • Velocity T.K. velocity.tech Cloud Service Provider: Used to support high-speed storage and querying of operational; data flowing into BigPanda’s AI Detection and Response capabilities, enabling BigPanda to; deliver enhanced detection accuracy and faster contextual insights across the platform.
  • Vercel vercel.com Analytics services
  • Viktor getviktor.com Managed analytical database (message search and service analytics)
  • Vitally vitally.io OLAP Database
  • Warp warp.dev
  • Wingify wingify.com Cloud Hosting Services
  • WorkOS workos.com Application Analytics; Data and analytics
  • xAI x.ai Services and support
  • Zuplo zuplo.com Clickhouse is used for log and metrics storage and reporting.

ComplianceCSV of ClickHouse's compliance · Atom feed of ClickHouse's compliance

Certified
Says it complies with

Certifications as ClickHouse's trust center lists them; reports are usually shared on request (evidence)

Service statusCSV of ClickHouse's status page incidents · Atom feed of ClickHouse's status page incidents

Aug 15: no incident reportedAug 16: no incident reportedAug 17: 1 incident (1 minor)Aug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: 1 incident (1 minor)Aug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: 1 incident (1 no impact stated)Sep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: 1 incident (1 minor)Sep 15: 1 incident (1 minor)Sep 16: 1 incident (1 minor)Sep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: 1 incident (1 minor)Sep 23: 1 incident (1 minor)Sep 24: 2 incidents (2 minor)Sep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: 1 incident (1 no impact stated)Oct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: 1 incident (1 minor)Oct 21: no incident reportedOct 22: no incident reportedOct 23: 1 incident (1 minor)Oct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: 1 incident (1 minor)Nov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: 1 incident (1 minor)Nov 12: no incident reported

90 days agotoday

  • 16 incidents in 90 days
  • 0 major or critical
  • 1 h 53 min typical time to resolve
BeganIncidentImpactLasted
Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyominor7 h 38 min
SQL Console database connection outageminor49 min
Degraded support ticket submission and responseminor2 h 47 min
Google Cloud Outageminor6 h 44 min
Support case creation unavailableno impact stated30 min
Streaming ClickPipes degradation in AWS eu-central-1 regionminor29 min
Some ClickPipes CDC pipes paused and can't be resumedminor33 min
We are investigating an issue affecting Azure eastus2 regionminor30 min

Incidents per month

0 4 8 May 2026: 5 incidents (5 minor) · partial: our history begins May 8 · typical time to resolve 31 h 2 min Jun 2026: 2 incidents (2 minor) · typical time to resolve 5 h 7 min Jul 2026: 6 incidents (1 critical, 1 major, 3 minor, 1 no impact stated) · typical time to resolve 2 h 29 min Aug 2026: 4 incidents (4 minor) · typical time to resolve 1 h 53 min Sep 2026: 8 incidents (7 minor, 1 no impact stated) · typical time to resolve 3 h 59 min Oct 2026: 3 incidents (2 minor, 1 no impact stated) · typical time to resolve 2 h 47 min Nov 2026: 2 incidents (2 minor) · typical time to resolve 7 h 38 min May 2026Jun Jul Aug Sep Oct Nov

critical major minor no impact stated before or partly before our history

As ClickHouse's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by ClickHouse's subprocessorsCSV of incidents reported by vendors ClickHouse lists · Atom feed of incidents reported by vendors ClickHouse lists

41 reported incidents in the last 30 days, by 3 of the vendors ClickHouse lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that ClickHouse was involved.

DateCompanyIncidentImpactLasted
GitHubImpact across multiple GitHub products including Actions, Pages, and Copilot products. critical33 min
GitHubIncident with Webhooks minor4 min
PylonSlack Integration Connection Issues major3 h 13 min
GitHubIncident with Git Operations and Pull Requests critical1 h 44 min
GitHubDegraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot major49 min
GitHubIncident with Actions and Checks API critical46 min
GitHubIncident with Webhooks and Actions major1 h 50 min
GitHubIncreased timeouts due to surge in anonymous users minor3 h 10 min
GitHubIncrease in timeouts for some unauthenticated users minor1 h 56 min
GitHubDegraded performance for multiple GitHub services minor44 min
GitHubIncident with Actions minor52 min
PylonDelay in Analytics Data minor3 h 16 min
GitHubIncident with Actions major35 min
GitHubIncident with Actions and Pages major55 min
PylonInbound Email Delays minor1 h 17 min
GitHubIncident with Pull Requests, Git Operations and Issues major2 h
GitHubIncreased task-related errors for Copilot Mission Control minor1 h 16 min
GitHubIncident with Git Operations minor1 h 43 min
GitHubIncident with API, Git, and Copilot requests minor30 min
GitHubElevated errors on GPT-5.4 Nano minor38 min
GitHubIncident with Dependabot minor2 h 29 min
GitHubIncident with Actions, Pages, and Webhooks major1 h 32 min
GitHubDisruption with GitHub services critical31 min
GitHubDisruption with Copilot Cloud services minor2 h 29 min
GitHubDisruption with some Copilot services critical1 h 15 min

And 16 more. All of them: CSV · Who is around them.

ChangesCSV of ClickHouse's changes · Atom feed of ClickHouse's changes

See the list as we read it on any date: Time machine

None since tracking began.

Rating badge for ClickHouse's site

ClickHouse transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/clickhouse"><img src="https://thirdpartyindex.com/badge/clickhouse.svg" alt="ClickHouse transparency rating on Third Party Index" height="20"></a>
[![ClickHouse transparency rating on Third Party Index](https://thirdpartyindex.com/badge/clickhouse.svg)](https://thirdpartyindex.com/vendors/clickhouse)