Qusto Analytics S.L. ("Qusto") uses the following third-party sub-processors to provide the Qusto platform. This list is referenced in the Data Processing Agreement and is kept up to date in accordance with GDPR Article 28(2).
Current Sub-processors
| Sub-processor | Country | Data Processed | Legal Basis for Transfer |
|---|---|---|---|
| Hetzner Online GmbH | Germany (EU) | All customer and end-user analytics data (compute and storage) | EEA hosting — no international transfer |
| Brevo SAS | France (EU) | Customer email address (transactional notifications only) | EEA — no international transfer |
| Stripe Payments Europe Ltd | Ireland (EU) | Customer billing information (no analytics or visitor data) | EEA — no international transfer |
| Cloudflare, Inc. | United States | IP address (CDN edge, cleared after request; no personal data logged by configuration) | EU SCCs (Decision 2021/914) + EU–US Data Privacy Framework |
| Crisp IM SAS | France (EU) | Live chat messages and optional visitor email (qusto.io support widget only; no analytics visitor data) | EEA — no international transfer |
Change Notification
Qusto will provide at least 30 days' advance notice before adding a new sub-processor or making a material change to an existing sub-processor's role. Notice is given via in-app notification and by updating this page.
If a Controller objects to a proposed change, it may terminate the relevant services in accordance with the termination provisions of the Data Processing Agreement.
Change History
| Date | Change |
|---|---|
| 21 May 2026 | Initial list published |
Contact
For questions about sub-processors or data processing, contact legal@qusto.io.