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According to § 5 TMG

Christoph A. Mueller
MUELLER PM. Project Management & Consulting
Wilhelm-Mauser-Str. 49B
50827 Cologne


Phone: +49-176-84741268

Tax ID | VAT No

Sales tax identification number according to § 27a sales tax law:


Information on professional liability insurance

Name and domicile of the insurer:

Markel Insurance SE

Sophienstr. 26

80333 Munich


EU dispute settlement

The European Commission provides a platform for online dispute resolution (OS):

You can find our email address in the legal notice above.


Consumer dispute settlement / universal arbitration board

We are neither willing nor obliged to participate in dispute settlement proceedings before a consumer arbitration board.



1. Liability for content

As a service provider, we are responsible for our own content on these pages in accordance with general law in accordance with Section 7 (1) of the German Telemedia Act. According to §§ 8 to 10 TMG, as a service provider, we are not obliged to monitor transmitted or stored third-party information or to research circumstances that indicate illegal activity. Obligations to remove or block the use of information according to general laws remain unaffected. However, liability in this regard is only possible from the point in time at which we become aware of a specific legal violation. As soon as we become aware of such legal violations, we will remove this content immediately.

2. Liability for links

Our offer contains links to external third party websites, over whose content we have no influence. Therefore, we cannot accept any liability for this third-party content. The respective provider or operator of the pages is always responsible for the content of the linked pages. The linked pages were checked for possible legal violations at the time they were linked. No illegal content was found at the time the link was created. However, permanent monitoring of the content of the linked pages is unreasonable without concrete evidence of a violation of the law. Upon notification of rights violations, such links will be removed promptly.

3. Copyright

The content and works on these pages created by the website operator are subject to German copyright law. The duplication, processing, distribution and any kind of exploitation outside the limits of copyright law require the written consent of the respective author or creator. Downloads and copies of this website are only permitted for private, non-commercial use.

Insofar as the content on this site was not created by the operator, the copyrights of third parties are observed. In particular contents of third parties are marked as such. Should you nevertheless become aware of a copyright infringement, we request that you notify us accordingly. If we become aware of legal violations, we will remove such content immediately.

4. References



© Pixel Perfect |


© Adobe Stock | everythingpossible, #202803721

© Adobe Stock | Alex from the Rock, #112468033


© shutterstock |, #1054863680

© shutterstock | metamorworks, #1058518960


© Adobe Stock | Exselsor/Jamendo, #449233808 „Motivating Future Technology“

© Adobe Stock | Nicolas Wohlleben/Jamendo, #353737629 „New Vision“

© Adobe Stock | Sergey Gulevich/Jamendo, #399519962 „Positive Corporate“

© Adobe Stock | Matthias Steiner/MusicRevolution, #453958782 „Inspiration“

© Adobe Stock | Rubén Becerra/Music Revolution, #453958797 „Teamwork“

© Adobe Stock | Timofiy Starenkov/Jamendo, #353755359 „A Way to Success“

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