Data Processing Agreement
Last updated: January 30, 2026
1. Introduction
This Data Processing Agreement ("DPA") forms part of the Terms of Service between Guesto ("Processor", "we", "us") and you ("Controller", "Host", "you") and governs the processing of personal data by Guesto on your behalf.
This DPA is designed to ensure compliance with Article 28 of the General Data Protection Regulation (GDPR) and reflects the data processing relationship between Guesto and its Host customers.
2. Definitions
- "Controller" means you (the Host) who determines the purposes and means of processing guest personal data.
- "Processor" means Guesto, which processes personal data on behalf of the Controller.
- "Personal Data" means any information relating to an identified or identifiable natural person (guest/traveler).
- "Processing" means any operation performed on personal data, including collection, storage, use, and deletion.
- "Guest Data" means personal data of travelers/guests submitted through inquiry forms, contact forms, request forms, reviews, or other means on property pages.
- "Sub-processor" means any third party engaged by Guesto to process Guest Data.
3. Roles and Responsibilities
3.1 Controller (Host)
As the Controller, you are responsible for:
- Determining the purposes for which Guest Data is collected and processed
- Ensuring a valid legal basis exists for processing (e.g., legitimate interest, consent)
- Providing appropriate privacy notices to guests
- Responding to data subject requests (access, deletion, etc.)
- Ensuring compliance with applicable data protection laws
- Notifying us promptly if processing instructions may violate data protection laws
3.2 Processor (Guesto)
As the Processor, Guesto will:
- Process Guest Data only on your documented instructions
- Ensure personnel authorized to process data are bound by confidentiality
- Implement appropriate technical and organizational security measures
- Assist you in responding to data subject requests
- Assist you with data protection impact assessments when required
- Delete or return Guest Data upon termination (subject to legal retention requirements)
- Provide information necessary to demonstrate compliance with GDPR
4. Subject Matter and Purpose of Processing
Guesto processes Guest Data for the following purposes on behalf of the Controller:
- Storing and displaying guest inquiries and requests
- Facilitating communication between Hosts and guests
- Managing booking information and guest records
- Storing and displaying guest reviews
- Providing analytics and insights about property performance
- Enabling compliance with local tax and registration requirements
5. Types of Personal Data Processed
The following categories of Guest Data may be processed:
- Identity Data: Name, nationality (for compliance purposes)
- Contact Data: Email address, phone number
- Booking Data: Check-in/check-out dates, number of guests, special requests
- Communication Data: Messages, inquiries, review content
- Technical Data: IP address, browser type, device information
6. Data Subject Categories
The data subjects whose personal data is processed under this DPA are:
- Guests and travelers who submit inquiries or make bookings
- Individuals who submit reviews or feedback
- Visitors who interact with property pages
7. Duration of Processing
Guesto will process Guest Data for the duration of the service agreement. Upon termination:
- Guest Data will be retained for 90 days to allow for account reactivation
- After 90 days, Guest Data will be deleted unless legally required to retain it
- Certain data may be retained for up to 7 years for tax compliance purposes
- You may request earlier deletion through our GDPR portal
8. Security Measures
Guesto implements appropriate technical and organizational measures to protect Guest Data, including:
- Encryption: Data encrypted in transit (TLS 1.3) and at rest (AES-256)
- Access Control: Role-based access, multi-factor authentication for staff
- Secure Infrastructure: Hosted on SOC 2 compliant cloud providers
- Monitoring: Security monitoring, intrusion detection, audit logging
- Incident Response: Documented procedures for security incidents
- Employee Training: Regular security and privacy awareness training
- Penetration Testing: Regular security assessments and vulnerability scanning
9. Sub-processors
Guesto uses the following sub-processors to provide the service:
| Sub-processor | Purpose | Location |
|---|---|---|
| Vercel Inc. | Application hosting | EU (Frankfurt) |
| Neon Inc. | Database hosting | EU (Frankfurt) |
| Stripe Inc. | Payment processing | EU/US |
| Resend Inc. | Email delivery | US |
| Cloudflare Inc. | CDN and security | Global |
You authorize us to engage these sub-processors. We will notify you of any changes to sub-processors with at least 30 days notice, allowing you to object.
10. International Data Transfers
Guest Data is primarily stored within the European Economic Area (EEA). When data is transferred outside the EEA (e.g., to US-based sub-processors), we ensure adequate protection through:
- EU-US Data Privacy Framework certification of the recipient
- Standard Contractual Clauses (SCCs) approved by the European Commission
- Supplementary measures where required
11. Data Subject Rights
When we receive a data subject request from a guest regarding their data:
- We will promptly notify you (the Controller) of the request
- We will not respond directly to the guest unless you instruct us to
- We will provide reasonable assistance to help you respond within GDPR timelines
- We offer self-service tools for guests at /gdpr
12. Data Breach Notification
In the event of a personal data breach affecting Guest Data:
- We will notify you without undue delay (and within 48 hours where feasible)
- We will provide information about the nature of the breach, categories of data affected, and remedial measures taken
- We will cooperate with you in notifying data protection authorities and affected individuals as required
- We will document all breaches and our response actions
13. Audit Rights
To demonstrate compliance with this DPA:
- We maintain documentation of our processing activities and security measures
- We provide security certifications and audit reports upon reasonable request
- We permit audits by you or an independent auditor with reasonable notice (costs borne by you)
- We cooperate with supervisory authority investigations
14. Liability
Each party remains liable for its own breaches of data protection laws. Guesto's total liability under this DPA is subject to the limitations in our Terms of Service.
15. Amendments
We may update this DPA to reflect changes in law or our processing activities. Material changes will be notified with at least 30 days notice. Continued use of the service after changes take effect constitutes acceptance.
16. Contact
For questions about this DPA or data processing matters:
- Email: dpo@guesto.eu
- Data Protection Officer: dpo@guesto.eu
See also: Privacy Policy · Terms of Service · Exercise Your Data Rights