Data protection

We place high priority on protecting your personal data as we collect, process and use such data during your visit to our website. Your data are protected under the law. The following declaration explains what data we collect during your visit to our website, and how such data are used:

Collecting and processing data

A log entry is made every time our website is accessed or a file stored on the site is retrieved. The data are saved solely for internal purposes related to the system and statistics. Records are kept of the name of the file retrieved, the date and time of retrieval, the data volume transferred, whether the retrieval was successful, the web browser used and the domain making the request.

Records are also kept of the IP address of the computer making the request.

More detailed personal data are only recorded if you provide such data of your own accord, e.g. when making an enquiry or registering.

The controller responsible for collecting and processing data on this website is:

ZSI Zertz + Scheid Ingenieurgesellschaft mbH & Co. KG
Hardtstrasse 4
51643 Gummersbach
Tel.: +49 2261-30040
Fax: +49 2261-300441
E-mail address: zsi(at)
E-mail address of the ZSI data protection officer: datenschutz(at)

Use and disclosure of personal data

If you provide us with personal data, we will only use that data to answer your enquiry, execute contracts concluded with you and carry out technical administrative duties.

Your personal data will only be passed on to third parties, or otherwise shared, if this is necessary for the purpose of executing a contract (including passing on ordering information to suppliers), for billing purposes or with your prior consent. You are entitled at any time to withdraw any consent that you grant us with future effect.

Withdrawal of consent to data processing

If you have given your consent to your personal data being processed, you may withdraw that consent at any time with future effect. The withdrawal can be sent by e-mail to zsi(at) or to the address given above. Please note that withdrawing your consent does not affect the lawfulness of prior data processing. 

Right of access, erasure and blocking

Under currently applicable data protection regulations, you have the right at any time and free of charge to obtain access to the personal data relating to you, their source and recipient and the purpose of the processing, and to obtain their erasure if applicable.

The stored personal data are deleted if you withdraw your consent to their storage, if they are no longer required to fulfil the purpose for which they were stored, or if their storage is not permitted for other legal reasons.

Right to lodge a complaint with the competent supervisory authority

In the case of infringements of data protection law, the data subject has the right to lodge a complaint with the competent supervisory authority. The competent supervisory authority responsible for data protection issues is the data protection officer for the federal state in which our company is based. This is: Landesbeauftragter für Datenschutz und Informationsfreiheit Nordrhein-Westfalen, Postfach 200444, 40102 Düsseldorf, Germany,

A list of data protection officers and their contact details can also be found via the following link:

Right to data portability

When we automatically process data on the basis of your consent or to execute a contract, you are entitled to have such data given to you or a third party in a commonly used and machine-readable format. If you demand that the data be directly transferred to another controller, this will only be carried out where technically feasible.

Security advice

We make every effort, using all technical and organisational measures available, to store your personal data such that they cannot be accessed by third parties. We cannot guarantee total data security in the case of e-mail communication and thus recommend sending confidential information by post.


This website uses CrazyEgg, a web analytics service from Crazy Egg, Inc., 16220 E. Ridgeview Lane, La Mirada, CA 90638, USA.

These analysis services allow us to use cookies to analyse how you use the website (e.g. which content you click on). When the analysis services are used, no personal data are collected from you, processed or used. Only usage profiles are created, using pseudonyms. You can opt out of the analysis by clicking on the following link and following the instructions: 

Google Analytics

This website uses Google Analytics, a web analytics service provided by Google, Inc. (“Google”). Google Analytics uses “cookies”, which are text files placed on your computer, to help the website analyse how you use the site. The information generated by the cookie about your use of the website is generally transmitted to and stored by Google on servers in the USA. If IP anonymization has been activated on this website Google will, however, previously truncate your IP address within member states of the European Union or other states party to the Agreement on the European Economic Area. In exceptional cases only, the full IP address will be transmitted to a Google server in the USA and truncated there. On behalf of the operator of this website, Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity and providing the website operator with other services relating to website activity and Internet usage. Your browser IP address as ascertained for the purposes of Google Analytics will not be brought together with other data gathered by Google. You may refuse the storage of cookies by selecting the appropriate settings on your browser; however, please note that if you do this you may not be able to use the full functionality of this website. Moreover, you may prevent Google from gathering the data (including your IP address) collected using the cookie and regarding your use of the website, and prevent Google from processing this data, by downloading and installing the browser plugin available from the following link: (

For more information about these terms of use and privacy, please visit or Please note that, on this website, Google Analytics has been extended by the code “anonymizeIp”, guaranteeing that IP addresses are collected anonymously (“IP masking”).

Server log files

If you visit our website without registering or providing us with any other information (“informational use”), we only collect the personal data that your web browser transmits to our server. If you wish to view our website, we collect the following data which are technically necessary for us to enable you to view our website and to ensure its stability and security:

  • IP address
  • Date and time of the request
  • Time zone difference from GMT
  • Website content
  • Access status (HTTP status)
  • Data volume transferred
  • Website from which you visited our website
  • Internet browser
  • Operating system
  • Browser language and version

The above data are also stored in “log files” on our servers. These data are not stored with other personal data relating to you. Your IP address needs to be requested and temporarily stored in order for our website to be displayed on your device. This requires your IP address to be stored for the duration of your visit to our website. Saving these data in log files allows us to provide and improve upon a functioning website, and to ensure that our information technology systems are secure. These data are not analysed for marketing purposes.

Our legitimate interest in processing the data lies in the above purposes.

The above data used to provide our website are erased when the respective session is over. The above data used to provide our website, and the storage of these data in log files, are essential in order to run our website. No objection may be raised.