Siers & Collegen GmbH

Data Protection

The operators of these sites take the protection of your personal data very seriously. We treat your personalized data confidentially and according to the legal data protection regulations as well as this declaration of data protection.

The use of our website is generally possible without stating personalized data. Insofar as our sites survey personalized data (e. g. name, address or e-mail addresses), this always occurs on a voluntary basis, as far as possible. These data will not be passed on to a third party without your explicit consent.
We point out that data transfer on the internet (e. g. during communication via e-mail) may show security gaps. Gapless data protection from being accessed by third parties is not possible.


The internet sites partly use so-called cookies. Cookies cause no damage on your computer and contain no viruses. Cookies help make our offer more user-friendly, effective and safe. Cookies are small text files, which are deposited on your computer and saved by your browser.

Most of the cookies used by us are so-called “session cookies”. They are automatically deleted at the end of your visit. Other cookies remain on your final device until you delete them. These cookies enable us to recognize your browser during your next visit.

You can program your browser so that you are informed about the placement of cookies and can either permit cookies only in single cases, accept cookies in certain cases or exclude them generally and also activate the automatic deletion of cookies when closing the browser. In case of the deactivation of cookies, the functionality of this website may be limited.

Server Log Files

The site provider surveys and automatically saves information in so-called server log files, which your browser automatically transmits to us. These are:

These data cannot be assigned to specific persons. A fusion of these data with other data sources does not occur. We reserve the right to check these data subsequently if concrete indications for an illegal usage become known to us.

Data Protection Declaration for the use of Google Analytics

This website uses functions of the web analysis service Google Analytics. The provider is Google Inc., 1600 Amphitheatre Parkway Mountain View, CA 94043, USA.

Google Analytics uses so-called "cookies". These are text files, which are saved on your computer and enable the analysis of your usage of the website. The information generated by the cookie concerning your use of this website is generally transmitted to a Google server in the USA and stored there.

You can find more information concerning the handling of user data at Google Analytics in Google’s data protection declaration:

Browser Plugin
You can prevent the storage of the cookies by accordingly programming your browser software; we do, however, wish to point out that you may not be able to use all functions of this website to their full extent in this case. In addition, you can prevent the collection of the data (incl. your IP address) generated by the cookie and concerning your use of the website to Google as well as the handling of these data by Google by downloading and installing the browser plugin available under the following link:

Objection to data collection
You can prevent the collection of your data by Google Analytics by clicking on the following link. An opt-out cookie is set which prevents the collection of your data during future visits to this website: Google Analytics deactivate

Contract data processing
We have got a contract on contract data processing with Google and entirely implement the strict regulations of the German data protection authorities by using Google Analytics.

IP anonymization
We use the function "Activation of IP anonymization" on this website. Thus, your IP address, however, is shortened beforehand by Google within the EU member states or in other contracting states of the agreement on the European Economic Area. The IP address will only be fully transmitted to a Google server in the USA and shortened there in exceptional cases. On order of the operator of this website, Google will use this information to evaluate your usage of the website to compile reports on the website activities and to provide further services connected with the usage of the website and use of the internet towards the operator of the website. The IP address transmitted by your browser within the frame of Google Analytics is not merged with other Google data.

Data protection declaration for the use of YouTube

Our website uses plugins of YouTube, a site operated by Google. The operator of the sites is YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, USA. When you visit one of our sites equipped with a YouTube plugin, a connection to YouTube servers is created. At this, the YouTube server is informed as to which of our sites you visited.

If you are logged into your YouTube account, you enable YouTube to match your surfing behaviour directly to your personal profile. You can prevent this by logging out of your YouTube account.

You can find further information on the handling of user data in the YouTube data protection declaration at:

Disclosure, Deletion, Blocking

You have the right to free disclosure concerning your saved personalized data, their origin and recipient and the purpose of the data processing as well the right to correction, blocking or deletion of these data at any time. To this, and to any other questions concerning personalized data, please feel free to contact us at any time using the address mentioned in the imprint.