Privacy Policy

We attach great importance to the protection of your data and the protection of your privacy. We therefore inform you below about the collection and use of personal data when using our website.

Responsible person

Responsible for the collection, processing and use of your personal data in the sense of data protection law is
Langenstein Development, Mörikestraße 11, 70178 Stuttgart, Germany

If you wish to object to the collection, processing or use of your data by Langenstein Development in accordance with the data protection regulations as a whole or for individual measures, please send your request by letter or e-mail to the following contact details:
Langenstein Development, attn. Klaus Langenstein, Mörikestraße 11, 70178 Stuttgart, Germany

Collection, storage, use and deletion of personal data

When you visit our website, we collect, use and store data only for our own business purposes. Personal data will only be requested, used and processed to the extent necessary for the joint provision of services. If you contact us via e-mail or contact form, the information you provide will be stored for the purpose of processing your inquiry and for possible follow-up questions.

We will only store your personal data for as long as this is necessary within the scope of the purpose to be achieved or provided for by law. If the respective period expires or if the respective purpose is no longer given, we block or delete all relevant data in accordance with the statutory provisions.

Handling of your personal data

When collecting, using and storing personal data, we observe the regulations of the DSGVO and any other applicable data protection regulations. We protect your personal data from unauthorized access and misuse by using all necessary technical and organizational security measures.


Our website uses so-called cookies in several places. "Cookies" are small text files that are stored on your computer and saved by your browser. They serve to make our website more user-friendly, effective and secure. Furthermore, cookies enable our systems to recognize your browser and offer you services. Cookies do not contain any personal data. You have the option of preventing cookies from being saved on your computer by making the appropriate settings in your browser. However, this could limit the functional scope of our offer.

Google analytics

This website uses Google Analytics, a web analysis service of Google Inc. "("Google"). Google Analytics uses "cookies", which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of this website is usually transferred to a Google server in the USA and stored there. However, if IP anonymisation is activated on this website, Google will reduce your IP address within Member States of the European Union or in other countries party to the Agreement on the European Economic Area beforehand. Only in exceptional cases will the full IP address be transmitted to a Google server in the USA and shortened there. IP anonymization is active on this website. On behalf of the operator of this website, Google will use this information to evaluate your use of the website, to compile reports on website activity and to provide the website operator with other services relating to website and Internet use. The IP address transmitted by your browser in the context of Google Analytics is not merged with other Google data. You may refuse the use 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. You can also prevent Google from collecting the data generated by the cookie and relating to your use of the website (including your IP address) and from processing this data by Google by downloading and installing the browser plug-in available under the following link:

Changes to the data protection declaration

In order to always comply with current legal requirements and also to implement changes to our services, we reserve the right to make occasional adjustments to this data protection declaration. When you visit our website again, the latest data protection declaration always applies.


You will receive free information about your stored data as well as the right to correction, deletion or blocking at any time. For this purpose, please contact the contact or e-mail address indicated here or also in the imprint. We will be happy to answer any further questions you may have about our privacy policy and the processing of your personal data.