Your personal data (e.g. title, name, address, e-mail address, phone number) are processed by us – DUMBO GmbH (Am Kölner Brett 2, 50825 Köln, +49 .0177. 25 75 932, – only in accordance with the provisions of German data privacy laws. The following provisions describe the type, scope and purpose of collecting, processing and utilizing personal data by us. This data privacy policy applies only to our website If links on our pages route you to external pages, please inquire there about how your data is handled in such cases.

You can find the legal basis for data protection in the Federal Data Protection Act (BDSG) and the German Telemediengesetz (TMG).

Access data and server log files

We (or our web space provider) collect data about each access to our website (so-called server log files). The access data include:

Name of the retrieved web page, file, date and time of the retrieval, transmitted data volume, message of successful retrieval, browser type and version, operating system of the user, referrer URL (previously visited page), IP address and requesting provider.

We use the log data only for statistical evaluations for the purpose of operation, security and optimization of our website. However, we reserve the right to check the log data subsequently if, due to good reasons, the legitimate suspicion of unlawful use exists.

Handling of personal data

Personal data is information by means of which a person can be identified, i.e. information which can be traced back to a person. This includes name, e-mail address or telephone number. But also, information about preferences, hobbies, memberships or information about previously viewed websites belong to personal data. Personal data is collected, used and passed on by us only if this is legally permitted or if you consent to the data collection.


When you contact us by means of a contact form or e-mail, your data is stored for the purpose of processing the inquiry as well as for the event that follow-up questions occur.

Integration of third party services and content

It may happen that contents of third parties are integrated within this website. This always assumes that the providers of these contents (hereinafter referred to as »third-party providers«) perceive your IP address. Because without the IP address, they could not send the content to your browser. The IP address is therefore required for the display of these contents. We endeavour to use only third-party content, that uses the IP address to deliver the content. However, we have no influence on the third-party providers storing the IP address. As far as we are aware of this, we clarify you about it.

Information about cookies

To optimize our web presence, we use cookies. These are small text files stored in your computer’s main memory. These cookies are deleted after you close the browser. Other cookies remain on your computer (long-term cookies) and permit its recognition on your next visit. This allows us to improve your access to our site. You can prevent storage of cookies by choosing a »disable cookies« option in your browser settings. But this can limit the functionality of our website as a result.


Cookies are small text files that allow us to store specific, device related information on your access device. They serve the usability of websites. On the other hand, they are used to record statistical data of the website and enables us to analyse them for the purpose of improving our website. You can influence the use of cookies. Most browsers have an option to restrict or prevent cookies from being stored. But this can limit the functionality of our website as a result.

You can manage many online ad cookies from companies through the US site or the EU site choices / manage.

Google Analytics

We use Google Analytics, a web analytics service provided by Google, Inc. (»Google«). Google Analytics uses so-called »cookies«, text files which are stored on your computer and which allow an analysis of the use of the website through them. The information generated by the cookie about your use of this website is generally transferred to a Google server in the US and stored there.

However, in the case of the activation of the IP anonymization on this website, your IP address will be previously abridged within Member States of the European Union or in other Contracting States of the Agreement on the European Economic Area. Only in exceptional cases will the full IP address be transferred to a Google server in the US and abbreviated there. IP anonymization is active on this website.

On behalf of us, Google will use this data to evaluate your use of the website to compile reports on the website activities and to provide other services related to the website usage for us.

The IP address transmitted through Google Analytics from your browser is not merged with other data from Google. You can prevent the storage of the cookies by means of a corresponding setting of the browser software. However, the functionality of our website may be limited then. You may also block Google’s collection of data (including your IP address) generated by the cookie due to your use of the website (including your IP address), as well as the processing of such data by Google by downloading, installing and using the browser plug-in, that is available under the following link:

For more information on Google’s use of the data for advertising purposes, and for possible inconsistencies and opportunities, please visit Google’s website at: (»How Google uses data when you use our partners‘ sites or apps«), (»Advertising«), (»Make the ads you see more useful to you«).

As an alternative to the browser add-on or within browsers on mobile devices, you can prevent the Google Analytics collection within this website by clicking this link. An opt-out cookie is then stored on your device. If your delete these cookie, you have to click the link again.


We use Hotjar in order to better understand our users’ needs and to optimize this service and experience. Hotjar is a technology service that helps us better understand our users’ experience (e.g. how much time they spend on which pages, which links they choose to click, what users do and don’t like, etc.) and this enables us to build and maintain our service with user feedback. Hotjar uses cookies and other technologies to collect data on our users’ behavior and their devices. This includes a device’s IP address (processed during your session and stored in a de-identified form), device screen size, device type (unique device identifiers), browser information, geographic location (country only), and the preferred language used to display our website. Hotjar stores this information on our behalf in a pseudonymized user profile. Hotjar is contractually forbidden to sell any of the data collected on our behalf.

For further details, please see the ‘about Hotjar’ section of Hotjar’s support site.

Information about and correction, blocking and deletion of personal data

You have the right to receive, on request, free of charge information about the personal data that has been stored about you. In addition, you have the right to correct incorrect data and to block or to delete your personal data to the extent that there is no legal retention requirement. You can direct your inquiries to the following e-mail addresses: