# ClickHouse

ClickHouse declares [13 subprocessors](https://thirdpartyindex.com/vendors/clickhouse#subprocessors), plus 4 of its own affiliates, in [its subprocessor list](https://clickhouse.com/legal/agreements/clickhouse-subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/139372)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [Microsoft](https://thirdpartyindex.com/vendors/microsoft). No published changes since we first read it on 2026-09-22. [183 tracked vendors](https://thirdpartyindex.com/vendors/clickhouse#used-by) name ClickHouse as a subprocessor, including [Salesforce](https://thirdpartyindex.com/vendors/salesforce), [Twilio](https://thirdpartyindex.com/vendors/twilio) and [SendGrid](https://thirdpartyindex.com/vendors/sendgrid).

ClickHouse (clickhouse.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/clickhouse
- Documents last verified: 2026-11-11
- Transparency rating: 90/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 8/8; Privacy policy 6/6; security.txt 6/6; Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Companies part of it: [Langfuse](https://thirdpartyindex.com/vendors/langfuse)
- Supply chain: relies on 8 tracked vendors directly, 90 within two hops, 323 within three; 183 tracked vendors rely on it directly, 1919 within two hops, 2779 within three
- Cite as: ClickHouse, Third Party Index, https://thirdpartyindex.com/vendors/clickhouse (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.clickhouse.com/ | 2026-11-11 | 2026-11-06 |
| Subprocessor list | https://clickhouse.com/legal/agreements/clickhouse-subprocessors | 2026-11-11 | 2026-10-22 |
| Data processing addendum | https://clickhouse.com/legal/agreements/data-processing-addendum | 2026-11-11 | 2026-09-21 |
| Privacy policy | https://clickhouse.com/legal/privacy-policy | 2026-11-11 | 2026-09-21 |
| Terms | https://clickhouse.com/legal/clickhouse-general-terms-and-conditions | 2026-11-11 | 2026-10-22 |
| security.txt | https://clickhouse.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 |
| Status page | https://status.clickhouse.com/ | 2026-11-11 | 2026-11-11 |

## Subprocessors (13)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services (AWS)](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud hosting and infrastructure provider | Customer Selected | 2026-09-22 |
| [AWS](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Data ingestion pipeline; Querying of Customer Personal Data Customer has ingested into ClickHouse Cloud. | United States of America, Germany, and Singapore; Various (locations here) | 2026-09-22 |
| [AWS Bedrock](https://thirdpartyindex.com/vendors/amazon-web-services.md) (AI model provider: Amazon Bedrock) | Generative AI services | United States of America, Germany, and Singapore | 2026-09-22 |
| [Azure](https://thirdpartyindex.com/vendors/microsoft.md) | Cloud hosting and infrastructure provider; Data ingestion pipeline | Customer Selected; Various (locations here) | 2026-09-22 |
| [GCP](https://thirdpartyindex.com/vendors/google-cloud.md) | Data ingestion pipeline | Various (locations here) | 2026-09-22 |
| [Github, Inc.](https://thirdpartyindex.com/vendors/github.md) | Support escalations | United States of America | 2026-09-22 |
| [Google LLC (Workspace)](https://thirdpartyindex.com/vendors/google-cloud.md) | Email and office applications | United States of America | 2026-09-22 |
| [Google Cloud Platform (GCP)](https://thirdpartyindex.com/vendors/google-cloud.md) | Cloud hosting and infrastructure provider | Customer Selected | 2026-09-22 |
| [kapa.ai, Inc.](https://thirdpartyindex.com/vendors/kapa-ai.md) | Support deflection with AI | United States of America | 2026-09-22 |
| [Langfuse GmbH](https://thirdpartyindex.com/vendors/langfuse.md) | Provision of technical services, support services, and supporting the provision, management and maintenance of the Cloud Services. | Germany | 2026-09-22 |
| [Pylon Labs, Inc.](https://thirdpartyindex.com/vendors/pylon.md) | Customer support chat platform | United States of America | 2026-09-22 |
| [Salesforce, Inc.](https://thirdpartyindex.com/vendors/salesforce.md) | Customer support case management, messaging services (Slack) | United States of America | 2026-09-22 |
| Waypoint Tech Inc. | Support knowledge management | United States of America | 2026-09-22 |

Read from ([evidence](https://thirdpartyindex.com/evidence/3260)). CSV: https://thirdpartyindex.com/vendors/clickhouse/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai

### Its own affiliates (4)

- ClickHouse, Inc. (Germany; Japan; Singapore; The Netherlands; United States of America)
- ClickHouse Australia Pty Ltd (Australia)
- ClickHouse India Private Limited (India)
- ClickHouse UK Co. Ltd. (United Kingdom)

## Compliance

As its trust center lists them.

- Audited: SOC 2 Type II, ISO/IEC 27001, ISO/IEC 27701, PCI DSS ([evidence](https://thirdpartyindex.com/evidence/192))
- Claimed: HIPAA, GDPR, CCPA/CPRA, Data Privacy Framework ([evidence](https://thirdpartyindex.com/evidence/192))

## Web Technologies

ClickHouse's homepage made 410 requests to 28 domains, 14 services controlled by another company, and 1 domain not identified. Loaded on 2026-11-03 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

14 third parties by category: Advertising 4 (Google Cloud, X Corp., Spotify AB, Reddit, Inc.); Analytics 4 (Reo.Dev, LinkedIn, Meta, Unify); Marketing automation 3 (Clearbit, Conversion, Adobe); A/B Testing 1 (GrowthBook); SEO 1 (Ahrefs); Security 1 (Securiti). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (14)

- Google Cloud: 9 requests to google.com, doubleclick.net, google-analytics.com, googletagmanager.com; DoubleClick Floodlight, Google Tag Manager (its subprocessor list names it too)
- Securiti: 9 requests to securiti.ai; Securiti
- Reo.Dev: 5 requests to reo.dev; Reo.Dev
- X Corp.: 5 requests to t.co, twitter.com, ads-twitter.com; Twitter Ads
- Clearbit: 4 requests to clearbitjs.com, clearbit.com, clearbitscripts.com; Clearbit
- Conversion: 4 requests to conversion.ai; Conversion
- Adobe: 3 requests to marketo.net, mktoresp.com; Marketo
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.433
- Spotify AB: 3 requests to spotify.com, byspotify.com; Spotify Pixel
- GrowthBook: 2 requests to growthbook.io; GrowthBook
- Reddit, Inc.: 2 requests to reddit.com, redditstatic.com; Reddit Ads
- Unify: 2 requests to unifyintent.com; Unify
- Ahrefs: 1 request to ahrefs.com; Ahrefs

### Unknown (1)

Domains not identified yet: cr-relay.com

### First party (1)

- ClickHouse: 353 requests to clickhouse.com; 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

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)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Aaru](https://thirdpartyindex.com/vendors/aaru.md): Analytics data store; Data storage and processing
- [Abusix](https://thirdpartyindex.com/vendors/abusix.md): Analytics database; Managed analytics database for threat intelligence and service data.
- [Acrolinx](https://thirdpartyindex.com/vendors/acrolinx.md): Database as a service
- [Ada Support](https://thirdpartyindex.com/vendors/ada-support.md): Analytics
- [Adaptive Security](https://thirdpartyindex.com/vendors/adaptive-security.md): Data Warehouse; Data warehouse and analytics database for large-scale data processing.
- [AirCall](https://thirdpartyindex.com/vendors/aircall.md): Data analytics and data processing services. ClickHouse provides database and data processing infrastructure used to analyze platform metrics and operational us…
- [Alguna](https://thirdpartyindex.com/vendors/alguna.md): Usage metering data warehouse
- [Ambition](https://thirdpartyindex.com/vendors/ambition.md): Analytics
- [Ampersand](https://thirdpartyindex.com/vendors/ampersand.md): Data storage and analytics; Stores integration run data, logs, and analytics used to operate and monitor Ampersand's services.
- [Appcues](https://thirdpartyindex.com/vendors/appcues.md): Provides managed database services.
- [Applied Compute](https://thirdpartyindex.com/vendors/applied-compute.md): Analytics database
- [Arcade](https://thirdpartyindex.com/vendors/arcade.md): Data and analytics; Storage and querying of product and viewer event data used to operate, measure, and support the Services.
- [Ashby](https://thirdpartyindex.com/vendors/ashby.md): Analytics
- [Attention](https://thirdpartyindex.com/vendors/attention.md): Data storage & analytics
- [Avoma](https://thirdpartyindex.com/vendors/avoma.md): Analytics
- [b.well Connected Health](https://thirdpartyindex.com/vendors/b-well-connected-health.md): Database
- [Beyond Work](https://thirdpartyindex.com/vendors/beyond-work.md): Event log storage, one database per tenant
- [BigPanda](https://thirdpartyindex.com/vendors/bigpanda.md): Cloud Service Provider: Used to support high-speed storage and querying of operational; data flowing into BigPanda’s AI Detection and Response capabilities, e…
- [Bird](https://thirdpartyindex.com/vendors/bird.md): Analytics Data Base Service Provider; Analytics Database Service Provider
- [Blacksmith](https://thirdpartyindex.com/vendors/blacksmith.md): Observability and analytics database hosting
- [Braze](https://thirdpartyindex.com/vendors/braze.md): A managed database provider that hosts analytical data to enable statistical and diagnostic reporting, products and features.
- [Browserbase](https://thirdpartyindex.com/vendors/browserbase.md): Data storage, processing, and analytics infrastructure; Provides data storage, processing, and analytics infrastructure used in connection with certain Browserb…
- [Buildkite](https://thirdpartyindex.com/vendors/buildkite.md): Column-oriented database management system; Database management
- [Cerbos](https://thirdpartyindex.com/vendors/cerbos.md)
- [Cerebrium](https://thirdpartyindex.com/vendors/cerebrium.md): Application logs and usage analytics; Database Provider
- [Chameleon Intelligent Tech](https://thirdpartyindex.com/vendors/chameleon-intelligent-tech.md): Data Warehouse
- [ChargeBee](https://thirdpartyindex.com/vendors/chargebee.md): 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 i…
- [Check Point Software Technologies](https://thirdpartyindex.com/vendors/check-point-software-technologies.md): Event logging and operational monitoring
- [CircleCI](https://thirdpartyindex.com/vendors/circleci.md): Data storage and analytics
- [Clarify](https://thirdpartyindex.com/vendors/clarify.md): Data Warehouse
- [Clay](https://thirdpartyindex.com/vendors/clay.md): Database
- [Clerk](https://thirdpartyindex.com/vendors/clerk.md): Clerk uses ClickHouse Cloud for storage and processing of analytical workloads, and fraud analysis.
- [Clever](https://thirdpartyindex.com/vendors/clever.md): Log processing and Cloud hosted database
- [Common Room](https://thirdpartyindex.com/vendors/common-room.md): Structured data storage and querying
- [Composio](https://thirdpartyindex.com/vendors/composio.md): Stores trigger logs, delivery callbacks, tool/metering usage logs.
- [Confident AI](https://thirdpartyindex.com/vendors/confident-ai.md): Data storage
- [CookieYes](https://thirdpartyindex.com/vendors/cookieyes.md): Pageview calculations, billing
- [Courier](https://thirdpartyindex.com/vendors/courier.md): Analytics
- [Crossdeck](https://thirdpartyindex.com/vendors/crossdeck.md): Analytical aggregation of event data — time-series queries, funnels, retention cohorts, custom-event breakdowns. Customer-side dashboard queries route through…
- [Culture Amp](https://thirdpartyindex.com/vendors/culture-amp.md): ClickHouse is an analytical database provider used to power product reporting and insights features. It stores survey responses, performance data, and employee …
- [Day AI](https://thirdpartyindex.com/vendors/day-ai.md): Database platform
- [Decagon](https://thirdpartyindex.com/vendors/decagon.md): Online analytics database for insights dashboard and analytics
- [DoiT](https://thirdpartyindex.com/vendors/doit.md): Cloud data warehouse and analytics platform
- [Drivetrain](https://thirdpartyindex.com/vendors/drivetrain.md)
- [Expel](https://thirdpartyindex.com/vendors/expel.md): Cloud data analytics (security, operations, business intelligence)
- [Expo](https://thirdpartyindex.com/vendors/expo.md): analytics services
- [Fathom Analytics](https://thirdpartyindex.com/vendors/fathom-analytics.md): Analytics database hosting
- [Fillout](https://thirdpartyindex.com/vendors/fillout.md)
- [Fly.io](https://thirdpartyindex.com/vendors/fly-io.md): Audit log storage for control plane API requests
- [Frill](https://thirdpartyindex.com/vendors/frill-co.md): Real-time database and analytics
- [Front](https://thirdpartyindex.com/vendors/front.md): Reporting and analytics; Conversation transcription
- [Future AGI](https://thirdpartyindex.com/vendors/future-agi.md): Analytical database; Analytical database for traces and metrics
- [Gamma](https://thirdpartyindex.com/vendors/gamma.md): Usage analytics
- [GitBook](https://thirdpartyindex.com/vendors/gitbook.md): Database infrastructure
- [GitGuardian](https://thirdpartyindex.com/vendors/gitguardian.md): Managed OLAP database for high-scale analytics, search and feature computation across the GitGuardian platform
- [GitLab](https://thirdpartyindex.com/vendors/gitlab.md): Database Hosting
- [Granola](https://thirdpartyindex.com/vendors/granola.md): Infrastructure & Hosting; Purpose of processing – Storage of usage and event/telemetry data Hosting location – United States Entity address – 650 Castro S…
- [GrowthBook](https://thirdpartyindex.com/vendors/growthbook.md): Data storage and processing
- [Harmonic Security](https://thirdpartyindex.com/vendors/harmonic-security.md): Clickhouse provide relational database management services for the Harmonic Security application.
- [Harness.io](https://thirdpartyindex.com/vendors/harness-io.md): --- Platform Services and Enablement --- Data Platform
- [Hasura](https://thirdpartyindex.com/vendors/hasura.md)
- [Help Scout](https://thirdpartyindex.com/vendors/help-scout.md): Real-time analytical database
- [Hookdeck](https://thirdpartyindex.com/vendors/hookdeck.md): Databases
- [Hubstaff](https://thirdpartyindex.com/vendors/hubstaff.md)
- [Hypatos](https://thirdpartyindex.com/vendors/hypatos.md): Cloud-based database and analytics service for storage, processing, and querying of  structured data related to customer document processing  workflows
- [Inception Labs](https://thirdpartyindex.com/vendors/inceptionlabs-ai.md): Data storage and processing; Database management system used for high performance analytics and real-time processing of large datasets.
- [Infisical](https://thirdpartyindex.com/vendors/infisical.md): Infisical uses ClickHouse to store audit logs generated by the Products.
- [Inngest](https://thirdpartyindex.com/vendors/inngest.md): Cloud database storing event data, function run data include inputs, outputs, steps input and metadata, account application metrics.; Data storage
- [Jam.dev](https://thirdpartyindex.com/vendors/jam-dev.md): Event data indexing and querying
- [Jamf](https://thirdpartyindex.com/vendors/jamf.md): Managed database services \[4\]
- [Kinsta®](https://thirdpartyindex.com/vendors/kinsta.md): Analytics and log storage
- [Klaviyo](https://thirdpartyindex.com/vendors/klaviyo.md): Database and Analytics Service (Real-Time Storage, Querying, and Reporting)
- [Knock Labs](https://thirdpartyindex.com/vendors/knock-labs.md): Analytics database
- [KnoCommerce](https://thirdpartyindex.com/vendors/knocommerce.md): Analytics database
- [Koah Labs](https://thirdpartyindex.com/vendors/koah-labs.md): Analytics DB host
- [Kustomer](https://thirdpartyindex.com/vendors/kustomer.md): Cloud database provider used for high-speed analytical data processing and log storage.; Reporting and Analytics
- [Lago](https://thirdpartyindex.com/vendors/lago.md): Analytics database for usage metering and event aggregation. Processes usage events and metering data.
- [Laminar](https://thirdpartyindex.com/vendors/laminar-sh.md): customers' observability data with related metadata, customer's datasets created from observability data.
- [LangChain](https://thirdpartyindex.com/vendors/langchain.md): Production Database; Production database
- [Langfuse](https://thirdpartyindex.com/vendors/langfuse.md): Provision of technical services, support services, and supporting the provision, management and maintenance of the Langfuse Cloud Services.
- [Lansweeper](https://thirdpartyindex.com/vendors/lansweeper.md): Analytics
- [Laravel](https://thirdpartyindex.com/vendors/laravel.md): Database provider
- [LaunchDarkly](https://thirdpartyindex.com/vendors/launchdarkly.md): Data warehouse
- [Levenza](https://thirdpartyindex.com/vendors/levenza.md): Real-time event and query processing database
- [Lovable](https://thirdpartyindex.com/vendors/lovable.md): Analytics database. Holds platform usage data and end-user analytics from customers’ published apps.
- [Luma](https://thirdpartyindex.com/vendors/luma.md): Analytics database
- [m3ter](https://thirdpartyindex.com/vendors/m3ter.md): Provision of cloud computing services
- [Magnolia](https://thirdpartyindex.com/vendors/magnolia.md): Processing Platform Log Files
- [Mentimeter](https://thirdpartyindex.com/vendors/mentimeter.md): Real-time data processing and in-app analytics
- [Metabase](https://thirdpartyindex.com/vendors/metabase.md): Data warehouse for Metabase Storage option.
- [Metoro](https://thirdpartyindex.com/vendors/metoro.md): Database
- [Mintlify](https://thirdpartyindex.com/vendors/mintlify.md): Cloud Infrastructure. Provides data storage and infrastructure hosting for Mintlify services.
- [Mobile Action](https://thirdpartyindex.com/vendors/mobile-action.md): Data storage and processing for log and analytics data; Engineering
- [Modal](https://thirdpartyindex.com/vendors/modal.md): Logging service
- [Movable Ink](https://thirdpartyindex.com/vendors/movable-ink.md): Hosted Database Service
- [Nango](https://thirdpartyindex.com/vendors/nango-dev.md): Logs & Metrics
- [Nektar.ai](https://thirdpartyindex.com/vendors/nektar-ai.md): Analytics
- [ngrok](https://thirdpartyindex.com/vendors/ngrok.md): Business Intelligence
- [Novu](https://thirdpartyindex.com/vendors/novu.md): Analytical Database
- [nylas](https://thirdpartyindex.com/vendors/nylas.md): Observability
- [Oasis Security](https://thirdpartyindex.com/vendors/oasis-security.md): Database management system
- [Oh Dear](https://thirdpartyindex.com/vendors/oh-dear.md): Storing performance metrics and analytics data
- [OpenRouter](https://thirdpartyindex.com/vendors/openrouter.md): Database
- [OPSWAT](https://thirdpartyindex.com/vendors/opswat.md): ClickHouse is used to store and process application logs and statistical data generated through the operations for our services of MetaDefender Cloud.
- [Orb](https://thirdpartyindex.com/vendors/orb.md): Data warehouse
- [Outreach](https://thirdpartyindex.com/vendors/outreach.md): Infrastructure Monitoring and Logging
- [OverOps](https://thirdpartyindex.com/vendors/overops.md): --- Platform Services and Enablement --- Data Platform
- [Perplexity AI](https://thirdpartyindex.com/vendors/perplexity-ai.md): Data analytics; Reporting and analytics
- [Persona](https://thirdpartyindex.com/vendors/persona.md)
- [PlanetScale](https://thirdpartyindex.com/vendors/planetscale.md): Data hosting and analytics
- [Plivo](https://thirdpartyindex.com/vendors/plivo.md): Data Warehouse
- [Prisma](https://thirdpartyindex.com/vendors/prisma.md): Centralised Logging and Log Analytics; Cloud monitoring
- [Productive](https://thirdpartyindex.com/vendors/productive.md): Cloud-based Data Warehousing and AI Observability Services
- [Ramp](https://thirdpartyindex.com/vendors/ramp.md): Data Warehouse
- [Reco](https://thirdpartyindex.com/vendors/reco.md): DB
- [Red Box](https://thirdpartyindex.com/vendors/red-box.md): Analytics database for AI agents and application data
- [Regal](https://thirdpartyindex.com/vendors/regal.md)
- [Relay Commerce](https://thirdpartyindex.com/vendors/relay-commerce.md)
- [Render](https://thirdpartyindex.com/vendors/render.md): Hosting / Cloud Platform
- [Retell AI](https://thirdpartyindex.com/vendors/retell-ai.md)
- [Retool](https://thirdpartyindex.com/vendors/retool.md): Third-Party data store for managing Agent logs
- [Rewst](https://thirdpartyindex.com/vendors/rewst.md): Database Management and Reporting
- [Rill Data](https://thirdpartyindex.com/vendors/rill-data.md): IT infrastructure
- [RingCentral](https://thirdpartyindex.com/vendors/ringcentral.md): Powers data analytics
- [Riverbed](https://thirdpartyindex.com/vendors/riverbed.md)
- [Rootly](https://thirdpartyindex.com/vendors/rootly.md): Columnar analytics database for AI evaluation and product analytics
- [Rubrik](https://thirdpartyindex.com/vendors/rubrik.md)
- [RWX](https://thirdpartyindex.com/vendors/rwx.md): System log storage and analysis
- [Salesforce](https://thirdpartyindex.com/vendors/salesforce.md)
- [Sanity](https://thirdpartyindex.com/vendors/sanity.md): We rely on Clickhouse to host our infrastructure and some analytics logs.
- [Sazabi](https://thirdpartyindex.com/vendors/sazabi.md): Analytics database and data warehousing
- [Segment](https://thirdpartyindex.com/vendors/segment.md): Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
- [SendGrid](https://thirdpartyindex.com/vendors/sendgrid.md): Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
- [Sendoso](https://thirdpartyindex.com/vendors/sendoso.md): Analytics Database
- [SEON](https://thirdpartyindex.com/vendors/seon.md): Database SaaS service provider; OLAP database platform used for real-time analytics and event data processing.
- [Serverless Framework](https://thirdpartyindex.com/vendors/serverless-framework.md): Data storage and processing; Stores application data for supported use cases
- [Session Rewind](https://thirdpartyindex.com/vendors/session-rewind.md): Data hosting and processing
- [Seventh Sense](https://thirdpartyindex.com/vendors/seventh-sense.md): Analytics database
- [Sherpa](https://thirdpartyindex.com/vendors/sherpa.md)
- [Showpad](https://thirdpartyindex.com/vendors/showpad.md): Reporting & analytics
- [Simetrik](https://thirdpartyindex.com/vendors/simetrik.md): 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…
- [Sitecore](https://thirdpartyindex.com/vendors/sitecore.md): Storage and analytics supporting response collection and reporting
- [Skio](https://thirdpartyindex.com/vendors/skio.md): Analytics and data warehousing
- [Snitcher](https://thirdpartyindex.com/vendors/snitcher.md): Analytics database
- [Socket](https://thirdpartyindex.com/vendors/socket-dev.md): organization alerts and analytics
- [SolarWinds](https://thirdpartyindex.com/vendors/solarwinds.md)
- [sparkpost](https://thirdpartyindex.com/vendors/sparkpost.md): Analytics Data Base Service Provider; Analytics Database Service Provider
- [Split.io](https://thirdpartyindex.com/vendors/split-io.md): --- Platform Services and Enablement --- Data Platform
- [Sprout Social](https://thirdpartyindex.com/vendors/sprout-social.md)
- [SproutVideo](https://thirdpartyindex.com/vendors/sproutvideo.md)
- [StackGen](https://thirdpartyindex.com/vendors/stackgen.md): Real-time analytics database and data warehousing for high-performance analytical processing
- [StackGuardian](https://thirdpartyindex.com/vendors/stackguardian.md): Datastore Providers
- [Stigg](https://thirdpartyindex.com/vendors/stigg-io.md): Cloud computing and storage
- [Superside](https://thirdpartyindex.com/vendors/superside.md)
- [SuprSend](https://thirdpartyindex.com/vendors/suprsend.md): Datastore Providers
- [Synder](https://thirdpartyindex.com/vendors/synder.md): Columnar analytics database for reporting workloads.; Data storage and processing
- [Synthesia](https://thirdpartyindex.com/vendors/synthesia-io.md): powers analytics for Sessions
- [T-Pro](https://thirdpartyindex.com/vendors/t-pro.md): ClickHouse Cloud hosts T-Pro’s reporting and analytics database. Selected reporting fields, including identifiers and workflow metadata, are replicated from t…
- [Tableau](https://thirdpartyindex.com/vendors/tableau.md)
- [TeamOhana](https://thirdpartyindex.com/vendors/teamohana.md): Datastore Providers
- [Teamtailor](https://thirdpartyindex.com/vendors/teamtailor.md): Storage
- [Tenable](https://thirdpartyindex.com/vendors/tenable-holdings.md)
- [Tiger Pistol](https://thirdpartyindex.com/vendors/tiger-pistol.md): Cloud-hosted analytics database for serving campaign performance analytics.
- [Trigger.dev](https://thirdpartyindex.com/vendors/trigger-dev.md): Database provider for real-time analytics
- [Twenty](https://thirdpartyindex.com/vendors/twenty.md): ClickHouse stores Twenty's audit logs, which record activity within the CRM and can contain Customer Personal Data (for example, the content or identifiers asso…
- [Twilio](https://thirdpartyindex.com/vendors/twilio.md): Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and Services
- [Unified.to](https://thirdpartyindex.com/vendors/unified-to.md): API call logs
- [Unify](https://thirdpartyindex.com/vendors/unify.md): 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](https://thirdpartyindex.com/vendors/uniphore.md): Analytics database for AI agents and application data
- [Upstash](https://thirdpartyindex.com/vendors/upstash.md)
- [Userflow](https://thirdpartyindex.com/vendors/userflow.md): Analytics Database
- [Validity](https://thirdpartyindex.com/vendors/validity.md): Database Management System; Product/Infrastructure
- [Vamp](https://thirdpartyindex.com/vendors/vamp.md): Data storage and analytics
- [Vapi](https://thirdpartyindex.com/vendors/vapi.md): Database
- [Velocity T.K.](https://thirdpartyindex.com/vendors/velocity-t-k.md): Cloud Service Provider: Used to support high-speed storage and querying of operational; data flowing into BigPanda’s AI Detection and Response capabilities, e…
- [Vercel](https://thirdpartyindex.com/vendors/vercel.md): Analytics services
- [Viktor](https://thirdpartyindex.com/vendors/viktor.md): Managed analytical database (message search and service analytics)
- [Vitally](https://thirdpartyindex.com/vendors/vitally.md): OLAP Database
- [Warp](https://thirdpartyindex.com/vendors/warp.md)
- [Wingify](https://thirdpartyindex.com/vendors/wingify.md): Cloud Hosting Services
- [WorkOS](https://thirdpartyindex.com/vendors/workos.md): Application Analytics; Data and analytics
- [xAI](https://thirdpartyindex.com/vendors/spacexai.md): Services and support
- [Zuplo](https://thirdpartyindex.com/vendors/zuplo.md): Clickhouse is used for log and metrics storage and reporting.

## Service status

Incidents it reported on its own status page.

- Last 90 days: 16 reported incidents (0 major or critical, 14 minor, 2 with no impact stated)
- Typical time to resolve: 1 h 53 min
- Status page last read: 2026-11-12
- 2026-11-11: Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo (minor)
- 2026-11-02: SQL Console database connection outage (minor)
- 2026-10-23: Degraded support ticket submission and response (minor)
- 2026-10-20: Google Cloud Outage (minor)
- 2026-10-12: Support case creation unavailable (no impact stated)
- 2026-09-24: Streaming ClickPipes degradation in AWS eu-central-1 region (minor)
- 2026-09-24: Some ClickPipes CDC pipes paused and can't be resumed (minor)
- 2026-09-23: We are investigating an issue affecting Azure eastus2 region (minor)

## Incidents reported by ClickHouse's subprocessors

Incidents reported in the last 30 days on their own status pages by 3 vendors ClickHouse lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-11: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Impact across multiple GitHub products including Actions, Pages, and Copilot products. (critical)
- 2026-11-11: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Webhooks (minor)
- 2026-11-11: [Pylon](https://thirdpartyindex.com/vendors/pylon#status), which ClickHouse lists as a subprocessor, reported Slack Integration Connection Issues (major)
- 2026-11-10: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Git Operations and Pull Requests (critical)
- 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot (major)
- 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions and Checks API (critical)
- 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Webhooks and Actions (major)
- 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Increased timeouts due to surge in anonymous users (minor)
- 2026-11-08: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Increase in timeouts for some unauthenticated users (minor)
- 2026-11-05: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Degraded performance for multiple GitHub services (minor)
- 2026-11-05: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions (minor)
- 2026-11-05: [Pylon](https://thirdpartyindex.com/vendors/pylon#status), which ClickHouse lists as a subprocessor, reported Delay in Analytics Data (minor)
- 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions (major)
- 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions and Pages (major)
- 2026-11-04: [Pylon](https://thirdpartyindex.com/vendors/pylon#status), which ClickHouse lists as a subprocessor, reported Inbound Email Delays (minor)
- 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Pull Requests, Git Operations and Issues (major)
- 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Increased task-related errors for Copilot Mission Control (minor)
- 2026-11-03: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Git Operations (minor)
- 2026-11-03: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with API, Git, and Copilot requests (minor)
- 2026-11-02: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Elevated errors on GPT-5.4 Nano (minor)
- 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Dependabot (minor)
- 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions, Pages, and Webhooks (major)
- 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Disruption with GitHub services (critical)
- 2026-10-29: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Disruption with Copilot Cloud services (minor)
- 2026-10-28: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Disruption with some Copilot services (critical)
- 2026-10-27: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Elevated 404s for GitHub App s2s tokens in git/API (no impact stated)
- 2026-10-26: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions, Issues, API Requests and Pull Requests (minor)
- 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Grok 4.6 and Grok 4.7 Service Issues (minor)
- 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Disruption with Dependabot Alerts (minor)
- 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Delayed Actions status check results (minor)
- 2026-10-22: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Project updates delayed (minor)
- 2026-10-22: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Incident with Actions (minor)
- 2026-10-21: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Delays for Pull Requests and Webhook deliveries (critical)
- 2026-10-21: [Langfuse](https://thirdpartyindex.com/vendors/langfuse#status), which ClickHouse lists as a subprocessor, reported Slow trace data retirival across API and UI in EU (minor)
- 2026-10-20: [Langfuse](https://thirdpartyindex.com/vendors/langfuse#status), which ClickHouse lists as a subprocessor, reported Degraded performance in Halo (Langfuse Assistant) (no impact stated)
- 2026-10-20: [Langfuse](https://thirdpartyindex.com/vendors/langfuse#status), which ClickHouse lists as a subprocessor, reported Degraded data serving in EU (minor)
- 2026-10-19: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported Degraded availability for GitHub Actions, GitHub Pages and Webhooks (critical)
- 2026-10-19: [Langfuse](https://thirdpartyindex.com/vendors/langfuse#status), which ClickHouse lists as a subprocessor, reported Degraded public API performance (minor)
- 2026-10-15: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported CCA Automations are delayed when starting an Automation (minor)
- 2026-10-14: [Pylon](https://thirdpartyindex.com/vendors/pylon#status), which ClickHouse lists as a subprocessor, reported Platform loading issues (no impact stated)
- 2026-10-13: [GitHub](https://thirdpartyindex.com/vendors/github#status), which ClickHouse lists as a subprocessor, reported \[Retroactive\] Actions workflow run logs delayed (minor)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/clickhouse

## Security contact

From its security.txt (https://clickhouse.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/201)):

- Contact: mailto:security@clickhouse.com
- Disclosure policy: https://github.com/ClickHouse/ClickHouse/blob/master/SECURITY.md
- Valid until 2027-07-28

---

Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api