Privacy Policy
Last updated: December 2025
Introduction
Certelis is committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website https://certelis.com.
This policy complies with the General Data Protection Regulation (GDPR) and applicable Czech and European Union data protection laws. By using our website, you agree to the collection and use of information in accordance with this policy.
Data Controller
Certelis
Prague 154 85
Czech Republic
https://www.certelis.com
Information We Collect
Information Automatically Collected
When you visit our website, we automatically collect certain information about your device and browsing behavior, including:
- IP address (anonymized)
- Browser type and version
- Device type and operating system
- Pages visited and time spent on each page
- Referring website or source
- Date and time of visit
Analytics Data
We use Google Analytics to collect aggregated, anonymized data about website usage patterns, visitor demographics, and site performance. This helps us understand how visitors interact with our website and improve user experience.
How We Use Your Information
We use the collected information for the following purposes:
- To provide and maintain our website
- To improve and optimize our services
- To analyze website usage and trends
- To detect, prevent, and address technical issues
- To understand user preferences and browsing patterns
- To comply with legal obligations
Legal Basis for Processing (GDPR)
Under GDPR, we process your personal data based on the following legal grounds:
Legitimate Interests: We process data to operate and improve our website, analyze usage patterns, and ensure website security
Consent: Where required, we obtain your consent for specific data processing activities, such as analytics cookies
Legal Obligation: We may process data to comply with legal requirements and regulations
Data Sharing and Disclosure
We do not sell, trade, or rent your personal information to third parties. We may share your information with:
Service Providers
We use trusted third-party services to help operate our website:
- Google Analytics: For website analytics and performance measurement
Legal Requirements
We may disclose information if required by law, court order, or to protect our rights, property, or safety.
International Data Transfers
Some of our service providers (such as Google Analytics) may process data outside the European Economic Area (EEA). We ensure that appropriate safeguards are in place to protect your data in accordance with GDPR requirements.
Google Analytics: Google has certified its compliance with the EU-U.S. Data Privacy Framework and implements appropriate technical and organizational measures to protect your data.
Data Retention
We retain your personal data only for as long as necessary to fulfill the purposes outlined in this Privacy Policy:
- Google Analytics data: Up to 26 months
- Technical logs: 12 months or as required by law
Your Rights Under GDPR
As a data subject, you have the following rights:
Right to Access
Request access to your personal data and information about how we process it
Right to Rectification
Request correction of inaccurate or incomplete personal data
Right to Erasure
Request deletion of your personal data under certain circumstances
Right to Restriction
Request restriction of processing your personal data
Right to Data Portability
Receive your personal data in a structured, commonly used format
Right to Object
Object to processing of your personal data for legitimate interests or direct marketing
To exercise these rights: Please contact us using the information provided below. You also have the right to lodge a complaint with the Czech Data Protection Authority (Úřad pro ochranu osobních údajů).
Data Security
We implement appropriate technical and organizational security measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.
Third-Party Links
Our website contains links to third-party websites and social media platforms (Facebook, Instagram, LinkedIn). We are not responsible for the privacy practices of these external sites. We encourage you to review their privacy policies before providing any personal information.
Children's Privacy
Our website is not intended for children under 16 years of age. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the 'Last Updated' date. You are advised to review this policy periodically for any changes.
Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
Certelis
Prague 154 85
Czech Republic
https://www.certelis.com
Supervisory Authority: If you are not satisfied with our response, you have the right to lodge a complaint with the Czech Office for Personal Data Protection (Úřad pro ochranu osobních údajů) at www.uoou.cz