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Subprocessor list
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Backblaze Processor and Sub-Processor List
Last updated: November 10, 2026
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1. Definitions
Customer: The owner of a Backblaze account.
Service(s): Backblaze Personal Backup, Backblaze Business Backup, Backblaze B2 Cloud Storage or any combination of the three services.
Customer Files: The data a Backblaze Customer uploads to a Backblaze Service.
Individual Accounts
Joint Data Controller: Customer
Joint Data Controller: Backblaze
Organization Accounts
Data Controller: Customer
Data Processor: Backblaze
Customer Account Data: The data Backblaze collects from the Customer to operate their Backblaze account regardless of the Backblaze Service you use.
Data Controller: Backblaze
2. Backblaze Customer Account Data list
Backblaze considers the following Customer Account Data elements as potential sources for Customer personal information. We may collect these data depending on the services you use and the features you activate or use.
email address
name (first or last or both)
physical address including street/city/country/postalcode/zipcode
phone number
last-4 digits of credit card
credit card expiry date
computer name(s)
drive name(s) assigned to each computer
TCP/IP address
3. Table of Sub-Processors for Customer Files and Processors for Customer Account Data – Storage Only
Company	Function	Location of Facility/Business
365 Data Centers Services, LLC (acquired Sungard Availability Services LP)	A data center which stores Customer Files for Backblaze accounts created in the US-West region and Customer Account Data for all regions.	Rancho Cordova, California, USA
Cologix Canada, Inc.	A data center which stores Customer Files for Backblaze accounts created in the CA-East region.	Toronto, Ontario, Canada
CoreSite, LLC	A data center which stores Customer Files for Backblaze accounts created in the US-East region and Customer Account Data for all regions.	Reston, Virginia, USA
CyrusOne, LP	A data center which stores Customer Files for Backblaze accounts created in the US-West region and Customer Account Data for all regions.	Chandler, Arizona, USA
Interxion Netherlands B.V. (acquired by Digital Realty)	A data center which stores Customer Files and Customer Account Data Storage for Backblaze accounts created in the EU-Central region.	Amsterdam, Netherlands
Nautilus Data Technologies, Inc.	A data center which stores Customer Files for Backblaze accounts created in the US-West region and Customer Account Data for all regions.	Stockton, California, USA
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4. Table of Processors for Customer Account Data
Company	Function	Location of Facility/Business
2NDSITE Inc. (dba FreshBooks)	A service used by Backblaze for accounting and manual purchase orders.	Toronto, Ontario, Canada
Anthropic, PBC	A service used by Backblaze for AI Modeling via Claude Enterprise	San Francisco, California, USA
Amazon Web Services, Inc.	A service used by Backblaze for internal data storage and backup/archive.	Seattle, Washington, USA
Chili Piper, Inc.	A service used by Backblaze for scheduling.	New York, New York, USA
Cloudflare, Inc.	A service used by Backblaze for content distribution, web application security and DNS services.	San Francisco, California, USA
Docusign, Inc.	A service used by Backblaze for electronic agreement execution.	San Francisco, California, USA
Freshworks, Inc.	A help desk service platform used by Backblaze for customer support.	San Mateo, California, USA
Google LLC (Google Tag Manager and Google Analytics)	Services used by Backblaze to collect analytics.	Mountain View, California, USA
Gong Inc.	A service used by Backblaze to collect customer insights.	San Francisco, California, USA
HubSpot, Inc.	A service used by Backblaze for sending marketing email messages to customers.	Boston, Massachusetts, USA
Oracle America, Inc. NetSuite	A service used by Backblaze for accounting and electronic invoicing.	Austin, Texas, USA
Outreach Corporation	A service used by Backblaze for sending email messages.	Seattle, Washington, USA
Pendo.io, Inc.	A service used by Backblaze for analyzing user experience.	Raleigh, North Carolina, USA
Plivo, Inc.	A service used by Backblaze as a SMS provider for non-EU customer verification.	Austin, Texas, USA
Productboard, Inc.	A service used by Backblaze to collect customer feedback.	San Francisco, California, USA
Salesforce, Inc.	A service used by Backblaze for customer relationship management.	San Francisco, California, USA
Snowflake, Inc.	A cloud data warehouse platform used by Backblaze for centralized data storage, transformation, business intelligence, and analytics reporting across operational systems.	Menlo Park, California, USA
Twilio SendGrid	A service used by Backblaze to send email messages.	San Francisco, California, USA
Stripe, Inc.	A service used by Backblaze for processing online payments.	San Francisco, California, USA
Tableau Software LLC. (acquired by Salesforce, Inc.)	A service used by Backblaze to analyze data.	Phoenix, Arizona, USA
Twilio, Inc.	A service used by Backblaze as a SMS provider for EU customer verification.	San Francisco, California, USA
Zendesk, Inc.	A service used by Backblaze to manage customer communications.	San Francisco, California, USA
ZoomInfo Technologies LLC	A service used by Backblaze to maintain a database of business/professional contacts.	Vancouver, Washington, USA
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