Privacy Policy

Data Controller

Responsible for data processing on this website:

VERTEX Ventures AG

Klosterstrasse 34

8406 Winterthur

Switzerland

1. General Information

Protecting your personal data is important to us. We process your data solely in accordance with applicable laws (GDPR, TMG). This Privacy Policy informs you about the most important aspects of data processing on our website.

2. Hosting

Our website is hosted by Vercel Inc., 440 N Barranca Ave #4133, Covina, CA 91723, USA. When visiting our website, Vercel automatically collects the following data:

  • Visitor's IP address (anonymized or truncated)
  • Time of access
  • Visited pages
  • Browser and operating system information

This data is processed to ensure the secure and stable operation of the website (Art. 6 para. 1 lit. f GDPR – legitimate interest).

Vercel may process data outside the EU (e.g., in the US). We have entered into a Data Processing Agreement with Vercel that includes Standard Contractual Clauses pursuant to Art. 46 GDPR.

3. Cookies

Our website uses the following cookies:

NamePurposeStorage DurationCategory
languageStores selected language1 yearTechnically required
__Secure-next-auth.callback-urlCal.com login callbackSessionTechnically required
__Secure-next-auth.csrf-tokenCSRF protection (Cal.com)SessionTechnically required
__clndsLoad balancing (Cal.com)Approx. 1 yearTechnically required
ph_*Tracking via PostHogUp to 1 yearAnalytics

Upon your first visit, we will ask for your consent to use analytics cookies (PostHog). You may change or revoke your choice at any time (see cookie banner).

4. Appointment Booking with Cal.com

We use Cal.com on our website to enable easy and direct appointment booking. Provider: Cal.com, Inc., 2261 Market Street #4451, San Francisco, CA 94114, USA.

When you select an appointment through the embedded tool, the following data is processed:

  • Name
  • Email address
  • Optional additional information
  • Selected appointment time
  • Technical metadata (e.g., browser, IP address)

The processing is based on Art. 6 para. 1 lit. b GDPR (contract or pre-contractual obligations), as you are actively initiating an appointment.

Data may be transferred to servers in the USA. Cal.com is open-source and offers self-hosting options – however, we use the Cal.com cloud service. We have entered into a Data Processing Agreement with Cal.com that includes Standard Contractual Clauses under Art. 46 GDPR.

For more information, please refer to Cal.com's privacy policy.

5. Web Analytics with PostHog

We use PostHog, a privacy-friendly analytics tool. Provider: PostHog Inc., 2261 Market Street #4008, San Francisco, CA 94114, USA.

PostHog helps us understand how users interact with our website (e.g., popular pages, scrolling behavior, session duration). The following data is collected in anonymized form:

  • Truncated IP address (anonymous)
  • Device type, browser, language
  • Visited pages, clicks, scroll depth
  • Session duration

Data is only collected with your consent (Art. 6 para. 1 lit. a GDPR). Without your consent, PostHog will not be loaded.

Data may be transferred to the USA. We have entered into a Data Processing Agreement with PostHog that includes Standard Contractual Clauses as required by the EU Commission.

6. Your Rights

  • Right of access (Art. 15 GDPR)
  • Right to rectification (Art. 16 GDPR)
  • Right to erasure (Art. 17 GDPR)
  • Right to restriction of processing (Art. 18 GDPR)
  • Right to data portability (Art. 20 GDPR)
  • Right to object (Art. 21 GDPR)
  • Right to withdraw consent (Art. 7 para. 3 GDPR)

If you believe that the processing of your data violates data protection law, you have the right to lodge a complaint with the competent supervisory authority.

Supervisory authority in Switzerland: EDÖB
In Germany: List of state data protection authorities

7. Contact

If you have any questions about data protection or would like to exercise your rights, please contact us by email:

8. Changes to This Policy

We reserve the right to update this Privacy Policy in case of changes to our website or legal requirements.