Thank you for your interest in our company. The protection of your personal data is important to us.
You can generally visit our website without providing any personal data. Where personal data is collected on our pages (e.g. name, address, email address, telephone number), this is done – as far as possible – on a voluntary basis.
The processing of personal data is carried out in accordance with the General Data Protection Regulation (GDPR) and other applicable national data protection laws. With this Privacy Policy, we inform you about the type, scope, and purpose of the personal data we process and about your rights as a data subject.
We have implemented technical and organizational measures to ensure the highest possible level of protection for personal data. However, internet-based data transmissions may have security vulnerabilities, so absolute protection cannot be guaranteed.
1. Controller
The controller responsible for data processing on this website is:
2. Collection and Storage of Personal Data and the Purpose of Their Use
a) When visiting the website (server log files)
When you access our website, the browser on your device automatically sends information to our website’s server. This information is temporarily stored in log files.
The following information may be collected without your intervention:
IP address of the requesting device
Date and time of access
Name and URL of the retrieved file
Website from which the access originates (referrer URL)
Browser used and operating system of your device
Name of your internet service provider
This data is processed for the following purposes:
No other transfer of your data to third parties takes place.
4. Use of Cookies
We use only technically necessary cookies on our website, such as:
Cookies required to operate the shopping cart
Session cookies
Security-related cookies
Legal basis: Art. 6(1)(f) GDPR (legitimate interest) and, where required, Art. 6(1)(b) GDPR (performance of a contract).
We do not use third-party tracking cookies, analytics cookies (e.g. Google Analytics), or marketing cookies.
You may configure your browser to block cookies entirely; however, this may limit the functionality of the website.
5. Links to External Websites
Our website may contain links to third-party websites. We have no influence on the content of these external sites and therefore assume no liability for their content. The provider of the linked website is solely responsible.
6. Your Rights as a Data Subject
You have the following rights regarding your personal data:
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(3) GDPR)
Right to lodge a complaint with a supervisory authority (Art. 77 GDPR)
7. Right to Object under Art. 21 GDPR
If your personal data is processed on the basis of Art. 6(1)(f) GDPR, you have the right to object to such processing for reasons arising from your particular situation.
If your data is processed for direct marketing purposes, you may object at any time; we will then stop processing your data for such purposes.
To exercise your objection or withdrawal rights, simply send an e-mail to: kontakt@sei-design.de
8. Data Security
We use SSL encryption (Secure Socket Layer) throughout our website. You can identify encrypted pages by the padlock icon in the address bar of your browser.
We also apply appropriate technical and organizational security measures to protect your data against manipulation, loss, destruction, or unauthorized access. These measures are continually improved in line with technological developments.
9. Updates and Changes to This Privacy Policy
This Privacy Policy is valid as of November 2025.
Due to legal changes or updates to our website, it may become necessary to amend this Privacy Policy. The current version is always available at: