1. Controller
HydroGeoTwin UG (limited liability)
Karlstraße 3, 72072 Tübingen, Germany
E-mail: info@hydrogeotwin.com

2. Collection of personal data
When you visit our website, certain technical data (browser type, OS, referrer URL, hostname, time of request, IP address) are automatically collected to ensure proper operation. Data are deleted after 14 days.

3. Contact form
If you send us a message via the contact form, we process your data (name, e-mail, message) to respond to your request. Legal basis: Art. 6(1)(b) GDPR (contract or pre-contractual steps) or Art. 6(1)(f) GDPR (legitimate interest in communication). Data are deleted once the inquiry is closed.

4. Cookies
We use only essential cookies necessary for technical operation of the website. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in secure and functional operation).

5. Google Maps
We use Google Maps (Google Ireland Limited) to display our location. This may transfer your IP address to Google. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in user-friendly presentation).

6. Your rights
You have the rights of access, rectification, erasure, restriction, data portability and objection (Arts. 15–21 GDPR), and the right to lodge a complaint with a supervisory authority (Art. 77 GDPR).

7. Contact for data protection
Dr. Fernando Mazo D’Affonseca
E-mail: info@hydrogeotwin.com