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Cookie Policy

Last Updated: September 16, 2026

This Cookie Policy explains how U4U Lab (“we”, “us”, or “our”) uses cookies and similar technologies on https://u4ulab.com/ (the “Website”).

1. Legal basis

We use cookies and similar technologies in accordance with Section 25 of the German Telecommunications-Digital-Services Data Protection Act (TDDDG) and, where personal data is processed, the General Data Protection Regulation (GDPR).

Technologies that are not strictly necessary for the operation of the Website are used only after the required consent has been obtained.

2. Necessary technologies

Some cookies and similar technologies are necessary for the secure and proper functioning of the Website and for services that you expressly request.

These technologies may be used for purposes such as:

Where a technology is strictly necessary within the meaning of Section 25(2) TDDDG, consent is not required.

3. Google Analytics

We use Google Analytics to understand how visitors use our Website and to improve its content and functionality.

Google Analytics may use cookies and similar technologies to collect information about website visits, interactions, and general usage patterns.

Google Analytics is an optional analytics service and is activated only after you have given the required consent through our cookie consent mechanism.

If you reject analytics cookies, Google Analytics will not be activated for your visit.

For more information about the processing of personal data in connection with Google Analytics, please see our Privacy Policy.

4. Booking and payment services

Calendly

We use Calendly to allow visitors to schedule consultations and other meetings with U4U Lab.

Calendly is not loaded as a continuously active service on the Website. It is loaded when you choose to use our booking function by clicking the relevant booking button.

Calendly may use cookies and similar technologies that are necessary for providing, securing, and operating its booking service.

Payment processing

When you proceed to make a payment for a U4U Lab service, the relevant payment technology is loaded to process and secure the transaction.

Payment-related cookies and similar technologies may be used for purposes such as:

Payment technologies are not loaded simply because you visit or browse the Website. They are used when you proceed to the payment process.

Further information about payment processing and the processing of personal data by payment providers is provided in our Privacy Policy.

5. Managing your cookie preferences

When you first visit the Website, you can choose whether to allow optional cookies and similar technologies through our cookie consent banner.

You can:

You can change or withdraw your consent at any time through the “Cookie Preferences” function available on the Website. Changing or withdrawing consent does not affect the lawfulness of processing carried out before the withdrawal.

Your consent choice is stored for up to 12 months. After this period, or if we make a material change to the cookies or technologies we use, we will ask you to confirm your preferences again.

6. Managing your cookie preferences

When you first visit the Website, you can choose whether to allow optional cookies and similar technologies through our cookie consent banner.

You can:

You can change or withdraw your consent at any time through the “Cookie Preferences” function available on the Website.

Changing or withdrawing consent does not affect the lawfulness of processing carried out before the withdrawal.

7. Changes to this Cookie Policy

We may update this Cookie Policy when our Website, technologies, services, or applicable legal requirements change.

The current version will always be published on this page with the latest update date.

8. Contact

If you have questions about our use of cookies or similar technologies, please contact:

Nika Rudenko
trading under the name “U4U Lab”
Tegeler Weg 25
10589 Berlin
Germany

Email: info@u4ulab.com