Privacy Policy
Last updated: 16.09.2026.
This Privacy Policy explains how the personal data of users of the Katalizatori.rs website (the “Website”) is collected, used and protected.
1. Data controller
The data controller is: Nikola Petrović, Serbia. E-mail: office@katalizatori.rs
2. What data we collect
- Data from the valuation form: first name, last name, phone, city/town, e-mail (optional), preferred contact method, data about the part and vehicle, photos of the part and a note
- Data from contact inquiries (name and e-mail address)
- User account data (username, e-mail, first name, last name, phone)
- Technical data (IP address, device type, browser) and data on the source of the visit (e.g. UTM campaign parameters)
- Website usage data (via Google Analytics, with your consent)
We do not collect payment data or special categories of personal data. Please do not send license plates, documents or faces in photos.
3. Purpose of data processing
- Preparing a valuation and contact regarding the buyback
- Responding to inquiries
- Managing user accounts
- Analysis and improvement of how the website works
- Ensuring system security and preventing abuse
4. Legal basis for processing
- User consent
- Steps taken at the user’s request before entering into a contract (valuation and buyback)
- Legitimate interest of the controller
- Legal obligations under the Law on Personal Data Protection of the Republic of Serbia
5. Cookies
The Website uses necessary cookies and, with your consent, Google Analytics cookies. More information can be found in the Cookie Policy.
6. Sharing of data
Data is not sold or disclosed to third parties, except to trusted service providers (e.g. hosting, e-mail, analytics) in accordance with applicable regulations.
7. Data retention
Data is kept only as long as necessary for the purposes of processing or as required by law.
8. User rights
- Access to your data
- Rectification or erasure
- Restriction of processing or objection to processing
- Withdrawal of consent at any time
You can send requests to: office@katalizatori.rs
9. Changes to the Privacy Policy
We reserve the right to change this policy. Changes take effect when published on the website.