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Klaviyo Sub-processors

Updated: November 12, 2025

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
Support

Asia
Australia
Europe
United States

United States

Chronosphere, Inc.

Data Analysis

United States

United States

Cloudflare, Inc.

Web Application Firewall

European Economic Area
United States

Other Locations as required¹

European Economic Area
United States

Other Locations as required²

Concentrix Solutions Corporation

Customer Support

Costa Rica
Poland

United States

Dropbox, Inc.

File Hosting for Professional Services and Enablement

United States

United States

El Camino Technologies, LLC

Content Moderation 

United States

United States

Fivetran, Inc.

Automated Data Movement

United States

United States

Functional Software, Inc. (Sentry.io)

Error Logging

United States

United States

Glean Technologies, Inc.

Customer Support

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 

Loom, Inc. (Atlassian)

Customer Support Call Recording (Customer Optional)

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

OpenAI, LLC

AI Features and Functionality; Customer Support

United States

United States

Sendgrid, Inc.

Email Delivery

United States

United States

SendSafely, Inc.

File Sharing Encryption Platform (Customer Optional) 

United States

 United States

Snowflake, Inc.

Data Analysis

United States

United States

Sparkpost, Inc.

Email Delivery

Ireland
United States

Other Locations as Required³

Ireland
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 Support

Argentina
Australia
Brazil
Canada
Japan
Mexico
Philippines
Singapore
United Kingdom
United States

United States

Other Locations as Required⁴

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 France SAS

Services and Support

France

United States

Klaviyo Germany GmbH

Services and Support

Germany

United States

Klaviyo Ltd

Services and Support 

United Kingdom

United States

Klaviyo Ireland Limited

Services and Support

Ireland

United States 

Klaviyo Singapore Pte. Ltd. 

Services and Support

Singapore

United States 

  1. https://www.cloudflare.com/privacypolicy/
  2. https://www.cloudflare.com/privacypolicy/
  3. https://messagebird.com/legal/archive
  4. https://support.zendesk.com/hc/en-us/articles/4408825765530-Data-Hosting-Locations-for-Your-Zendesk-Service-Data