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Klaviyo Sub-processors

Updated: September 11, 2026

Klaviyo uses the following third-party sub-processors:

ENTITY NAME

PURPOSE

LOCATION(S) OF PROCESSING

DATA HOSTING LOCATION(S)

Ada Support, Inc.

Customer Service Automation

United States

United States

Amazon Web Services, Inc.

Cloud Hosting Provider

United States

United States

Anthropic, PBC

AI Features and Functionality; Customer Success and Support Services

Asia

Australia

Europe

United States

United States

Chronosphere, Inc.

Data Analysis

United States

United States

ClickHouse, Inc

Database and Analytics Service (Real-Time Storage, Querying, and Reporting)

United States

Germany¹

United States

Germany²

Cloudflare, Inc.

Web Application Firewall

European Economic Area

United States

Other Locations as required³

European Economic Area

United States

Other Locations as required⁴

Concentrix Solutions Corporation

Customer Support

Costa Rica

Philippines

Poland

United States

Dropbox, Inc.

File Hosting for Professional Services and Enablement

United States

India

United States

Fivetran, Inc.

Automated Data Movement

United States

United States

Functional Software, Inc. (d/b/a Sentry.io)

Error Logging

United States

United States

Glean Technologies, Inc.

Customer Success and Support Services

United States

United States

Infobip, Inc.

Communications Services

Bosnia and Herzegovina

Brazil

Colombia

Croatia

India

Indonesia

Malaysia

Mexico

Philippines

Thailand

United Kingdom

United States

United States

Linear Orbit, Inc.

Project Management and Issue Tracking

United States

United States

Loom, Inc. (Atlassian)

Call Recording Customer Support (Customer Optional)

United States

United States

MaestroQA Inc.

dba Rippit

Customer Support Quality Assurance

United States

United States

Mailgun Technologies, Inc. (d/b/a Sinch Email)

Email Review and Analysis

United States

United States

Meta, Inc.

WhatsApp Messaging

Denmark

Ireland

United States

Singapore

Sweden

Denmark

Ireland

United States

Singapore

Sweden

Microsoft Corporation

Windows Virtual Desktops Cloud Infrastructure for Customer Support

United States

United States

OpenAI, LLC

AI Features and functionality; Customer Success and Support Services

United States

United States

Sendgrid, Inc.

Email Delivery

United States

United States

SendSafely, Inc.

File Sharing Encryption Platform (Customer Optional)

United States

United States

Slack Technologies, LLC

Slack Connect for Customer Success and Support Services; Customer-Facing Notification Integration

United States⁵

Australia

Brazil

Canada

France

Germany

India

Japan

Singapore

South Korea

Sweden

Switzerland

United Arab Emirates

United Kingdom

Ireland

South Africa

United States⁶

Australia

Brazil

Canada

France

Germany

India

Japan

Singapore

South Korea

Sweden

Switzerland

United Arab Emirates

United Kingdom

Ireland

South Africa

Snowflake, Inc.

Data Analysis

United States

United States

Splunk, Inc.

Logging Tool

United States

United States

Statsig, Inc.

Product Feature Management

United States

United States

Twilio, Inc.

Communications Services

United States

United States

Zendesk, Inc.

Customer Success and Support Services

Argentina

Australia

Brazil

Canada

Japan

Mexico

Philippines

Singapore

United Kingdom

United States

United States

Other Locations as Required⁷

Klaviyo uses the following Klaviyo Affiliates to assist in providing its services:

ENTITY NAME

PURPOSE

LOCATION(S) OF PROCESSING

DATA HOSTING LOCATION(S)

Klaviyo Australia Pty Ltd

Services and Support

Australia

United States

Klaviyo Canada Inc.

Services and Support

Canada

Canada

Klaviyo France SAS

Services and Support

France

United States

Klaviyo Germany GmbH

Services and Support

Germany

United States

Klaviyo Ireland Limited

Services and Support

Ireland

United States

Klaviyo Singapore Pte. Ltd.

Services and Support 

Singapore

United States

Klaviyo Ltd.

Services and Support

United Kingdom

United States

  1. Germany is available only as an opt-in EU data center offered as part of EU Residencyservices to new Klaviyo accounts at the time of account creation. All existing customer accounts are hosted and processed in the United States
  2. Germany is available only as an opt-in EU data center offered as part of EU Residency services to new Klaviyo accounts at the time of account creation. All existing customer accounts are hosted and processed in the United States.
  3. https://www.cloudflare.com/privacypolicy/
  4. https://www.cloudflare.com/privacypolicy/
  5. Slack's primary region for storing, hosting, and processing Customer Data is the United States, as selected by Klaviyo at setup. The other locations listed may be used only for performance-based edge/CDN routing depending on the physical location of the Slack user accessing the service, and are not locations where Customer Data is persistently stored.
  6. Id.
  7. https://support.zendesk.com/hc/en-us/articles/4408825765530-Data-Hosting-Locations-for-Your-Zendesk-Service-Data