1. Name and contact details of the responsible person

This data protection declaration provides information about the processing of personal data on the website of:

Responsible person: Grazian Twonski, etree GmbH, Matthias-Brüggen Str. 160, 50829 Cologne, +49 221 292 417 0

Contact the Data Protection Officer:

The company’s data protection officer can be reached at the above company address and at datenschutz@etree.de.

2. Scope and purpose of the processing of personal data

2.1 Accessing the website

When you visit this website www.etree.de, the Internet browser used by the visitor automatically sends data to the server of this website and stores it in a log file for a limited period of time. The following data will be stored without further input by the visitor until they are automatically deleted:

  • IP-address of the visitor’s device,
  • Date and time of access by the visitor,
  • Name and URL of the page which is upload by the visitor,
  • Website from which the visitor came to the website (so-called referrer URL),
  • Browser and operating system of the visitor’s device as well as the name of the access provider used by the visitor.

The processing of personal data is in accordance with Art. 6 Abs. 1 Sentence 1 Letter. f) GDPR legitimated. The company has a legitimate interest in data processing for the purpose of

  • to establish the connection to the company’s website quickly,
  • to allow a user-friendly usage of the website,
  • to recognize and guarantee the security and stability of the systems and
  • to facilitate and improve the administration of the website.

The processing is expressly not for the purpose to gain knowledge about the visitor of the website.

2.2 Contact form

Visitors can submit messages to the company using an online contact form on the website. In order to be able to receive a reply, at least a valid email address is required. The person making the request can provide all further information voluntarily. By sending the message via the contact form, the visitor agrees to the processing of the personal data transmission. The data processing takes place exclusively for the purpose of handling and answering inquiries via the contact form. This is done on the basis of the voluntarily given approval. Art. 6 Abs. 1 Sentence 1 Letter. a) GDPR. The personal data collected for using the contact form will be automatically deleted as soon as the request has been dealt with and there are no reasons for further storage (e.g. subsequent commissioning of our company).

2.3 Newsletter (only if applicable)

By registering for the newsletter, the visitor agrees to the processing of the personal data transmission. For subscription you only need to enter the visitor’s email address. The legal basis for processing the visitor’s personal data for the purpose of sending newsletters is the consent. Art. 6 Abs. 1 Sentence 1 Letter. a) GDPR.

The visitor can unsubscribe from receiving newsletters at any time. This can be done by using a special link at the end of the newsletter or by sending an e-mail to datenschutz@etree.de.

3.Data transfer

Personal data will be transmitted to third parties if

  • according to Art. 6 Abs. 1 Sentence 1 Letter. a) GDPR has been consented to by the concerned person,
  • the transfer according to Art. 6 Abs. 1 Sentence 1 Letter. f) GDPR is necessary for the establishment, management or defense of legal claims and no reason to believe that the person concerned has an overriding legitimate interest in non-disclosure of their data,
  • for the data transfer according to Art. 6 Abs. 1 Sentence 1 Letter. c) GDPR is a legal obligation, and / or
  • this according to Art. 6 Abs. 1 Sentence 1 Letter. b)GDPR is necessary for the performance of a contractual relationship with the person concerned.

In other cases, personal data will not be disclosed to third parties.


Cookies are used on the website. These are data packets that are exchanged between the website server and the visitor’s browser. When you visit the website, used devices are saved (PC, notebook, tablet, smartphone, etc.). Cookies cannot cause any damage. In particular, they do not contain any viruses or other malware. Information which is stored in the cookies is connected with the usable device. The company cannot obtain information to identify the website visitor.

Cookies are mostly accepted according to the basic browser settings. The browser settings can be set up so that cookies are either not accepted on the used devices or that a special message is shown before a new cookie is created. It should be noted, however, that deactivating cookies may mean that not all functions of the website can be used.

The use of cookies makes the use of the company’s website more convenient. For example, session cookies can be used to determine whether the visitor has already visited pages on the website. These session cookies are automatically deleted after you leave the website.

Temporary cookies are used to improve user-friendliness. They are stored on the visitor’s device for a temporary period. When you visit the website again, it is automatically recognized that the visitor has already been on the page earlier and which entries and settings have been made so that they do not have to be repeated.

Cookies are also used to analyze visits to the website for statistical purposes and improvement. These cookies allow to recognize automatically that you have already used website when you visit the website again. The cookies are automatically deleted after a specified time.

The data processed by cookies are necessary for the purposes of safeguarding the legitimate interests of the company in accordance with Art. 6 Abs. 1 Sentence 1 Letter. f) GDPR legitimated.