GDPR and Privacy Policy

Last updated: May 27, 2026


Your trust is our most valuable asset. Aluseg was developed to responsibly handle sensitive property and financial data. This policy explains what data we collect, why we collect it, and how we protect it.

1. Who We Are

Aluseg (referred to as ‘Aluseg’, ‘we’, or ‘our’) is a Portuguese proptech platform operating at aluseg.com. For any data protection-related questions, please contact us at: privacy@aluseg.com.

2. Compliance Framework

Aluseg operates in full compliance with: The EU General Data Protection Regulation (GDPR) — EU Regulation 2016/679
Portuguese data privacy law — Law No. 58/2019


3. What Data We Collect and Why

a) Name and Email Address (Newsletter Subscribers)
When you subscribe to our mailing list, we collect your name and email address to send you our educational newsletter and relevant platform updates.
Legal basis: Legitimate interest / Consent (opt-in).
Managed via MailerLite. You can unsubscribe at any time with a single click.

b) Property and Contract Data (Lease Agreement Generator Users)
When you use our free Lease Agreement Generator, you provide property details (address, rent amount, contract type, names of the parties) to generate your contract. This data is processed solely to generate your document and is not stored on our servers after delivery.
Legal basis: Performance of a contract / Legitimate interest.

c) Property Location and Type (Rental Simulator Users)
When you use our Rental Market Simulator, you provide property characteristics (location, surface area, type) to generate a market rent estimate. This data is used solely for the calculation and is neither retained nor linked to your identity.
Legal basis: Legitimate interest.
d) Contact Form Data
When you contact us via the Contact page, we collect your name, email address, and message content to respond to your inquiry.
Legal basis: Legitimate interest.

4. Cookies

Aluseg uses cookies to ensure the website functions properly and to understand how visitors interact with our content. We use:

  • Essential cookies — necessary for the website to function.
  • Analytics cookies — to understand page performance (anonymized data only).

You can manage your cookie preferences through the consent banner on your first visit. For more details, please see our Cookie Policy [link].

5. Data Retention

We retain personal data only for as long as necessary:

  • Newsletter subscribers: until you unsubscribe.
  • Lease Agreement Generator data: not stored after the document is delivered.
  • Rental Simulator data: not stored after the result is delivered.
  • Contact form data: deleted within 12 months after resolution.


6. Third-Party Data Processors

We use the following trusted third-party processors:

  • MailerLite — email newsletter management (EU compliant)
  • Supabase — secure database infrastructure (EU region)
  • Other processors may be added as the platform grows; this section will be updated accordingly.

We do not sell, rent, or share your personal data with any third-party marketing network or advertiser.

7. Your Rights Under the GDPR

Under the GDPR, you have the right to:

  • Access the personal data we hold about you
  • Correct inaccurate data
  • Delete your data (the ‘right to be forgotten’)
  • Restrict or object to certain processing
  • Request the portability of your data

To exercise any of these rights, contact: privacy@aluseg.com. We will respond within 30 days.
You also have the right to lodge a complaint with Portugal’s national data protection authority:
CNPD (Comissão Nacional de Proteção de Dados) — www.cnpd.pt

8. Data Security

All data transmitted to and from aluseg.com is encrypted via HTTPS/TLS. We apply appropriate technical and organizational measures to protect personal data against unauthorized access, loss, or disclosure.

9. Changes to This Policy

We may update this Privacy Policy periodically. The ‘Last updated’ date at the top of this page will reflect any changes. Significant changes will be communicated through our newsletter or a prominent notice on the website.