Skip to content

Privacy Policy

Last updated:

This policy describes how Zisler s.r.o. (operator of the Duxum brand) processes the personal data of visitors to duxum.com and what cookies are used. The document reflects the requirements of the GDPR (Regulation (EU) 2016/679) and the ePrivacy Directive.

Machine-translated from the Czech original; awaiting legal review. The Czech version is authoritative in case of discrepancy.

1. Data controller

Zisler s.r.o. Vojtěšská 211/6, 110 00 Prague 1, Czech Republic Company ID (IČO): 06366244 · VAT ID (DIČ): CZ06366244 File number: C 305877, Regional Court in Pilsen Email: zisler@duxum.com · Phone: +420 734 242 847

2. What data we process

When you visit the site, we process only the data strictly necessary for operating the service and measuring its quality:

  • Technical data — IP address, browser and device type, referer, request timestamp.
  • Form data — if you contact us, your email address and the contents of the message.
  • Cookie data — see Section 7. Cookies below.
PurposeLegal basis
Operating and securing the websiteLegitimate interest (Art. 6(1)(f) GDPR)
Responding to inquiriesPre-contractual measures / legitimate interest
Traffic measurement and marketingConsent (Art. 6(1)(a) GDPR)

4. Retention

  • Operational logs: up to 30 days.
  • Correspondence: for the duration of handling your inquiry, no longer than 3 years from the last contact.
  • Cookies: per the configuration of each cookie, no longer than 13 months unless stated otherwise.

5. Third parties

For operating the site we use the following processors and service providers:

  • Vercel Inc. — website hosting (servers in the EU/US, standard contractual clauses).
  • Google Ireland Ltd. — Google Tag Manager and Google Analytics 4 for traffic measurement (active only after your consent).
  • Vercel Analytics — anonymous statistics with no cookies and no personal data stored.

We do not pass data to other parties for the purpose of third-party direct marketing.

6. Your rights

In connection with the processing of your personal data, you have the right:

  • to access your data and information about its processing,
  • to rectify inaccurate or incomplete data,
  • to erase data, unless another legal ground for processing applies,
  • to restrict processing,
  • to data portability,
  • to object to processing based on legitimate interest,
  • to withdraw consent at any time, with effect for the future,
  • to lodge a complaint with the Office for Personal Data Protection (uoou.gov.cz).

To exercise your rights, contact us at zisler@duxum.com.

7. Cookies

Cookies are small text files the browser stores on your device when you visit the site. Some are necessary for operation, others help us improve the site or measure ad performance.

  • Essential — required for the site to function and to remember your consent preferences. Cannot be disabled.
  • Analytics — help us understand how visitors use the site (Google Analytics 4 via Google Tag Manager). Active only after your consent.
  • Marketing — used to measure ad performance and personalise content. Active only after your consent.

We manage consent via Google Consent Mode v2. Before consent is granted, no analytics or marketing cookies are set, and no identifiers are passed to third-party services.

You can change your preferences at any time:

You can also delete or block cookies in your browser settings at any time. If you do, parts of the site may not function correctly.

8. Changes to this policy

This policy may be updated from time to time. The current version is always available on this page; the date of the latest update is shown at the top of the document.