Legal and Data Privacy


Address: Cicerostr. 26
10709 Berlin

Phone: +49 30 895708-0
Fax: +49 30 895708-888

E-Mail (general inquiries):

E-Mail (regarding commissioned data processing): cdp(at)

E-Mail (for tender documents):

HRB 38 560 Amtsgericht Charlottenburg
USt-IdNr.: DE 136 722 551
Managing Director (Geschäftsführer): Karsten Renz

Notices in accordance with Section 5 of the German Telemedia Act (TMG) in the version of the law concerning legal framework conditions for electronic business transactions.

This website may include notices to other property rights and copyright information, which must be observed and followed. We reserve the right to update and/or modify the information on this website at any time and without prior notice. This also applies to improvements and/or modifications to products and applications.

All images and videos on the websites of the OPTIMAL SYSTEMS Group are the property of OPTIMAL SYSTEMS GmbH or the photo and film service providers listed here. The express consent of OPTIMAL SYSTEMS GmbH is required for third-party use of this material. Images and graphics are also sourced from photo agencies such as

Responsible for the content of this website according to Section 55 German Interstate Broadcasting Treaty (RStV): Sven Kaiser

Our Data Protection Commissioner:

Stefan Eberle
Project Management Office
Cicerostraße 26
10709 Berlin
Phone: +49 30 895 708-0
E-Mail: adv[at]

Our Privacy Policy:

Version 6.0.0, valid from July 20, 2020

Our General Terms and Conditions:

Version 3.0.0, valid from June 6, 2019

This website promotes our services and products. We strive to precisely and correctly explain our services and products, however, please not that this is promotional material.

OPTIMAL SYSTEMS is an agile company and adapts its plans and strategies to the needs of the market and customers. Plans will not necessarily be implemented as expected at the time of planning. It may become necessary to postpone priorities, cancel planning and include new planning if we can achieve more benefit for our customers. We reserve the right to make these adjustments at any time and to any extent. At no time do we undertake to disclose information on this website in a contractually or legally binding manner to the delivery of certain services or certain software products or to implement planned measures, neither internally nor externally. Nothing on this website forms a legally binding description, specification or performance. Promoted features on this website may be outdated or not yet released, discontinued or modified. Despite greatest care in compiling the texts and images, there may also be errors. We cannot be held legally responsible for such errors or any consequences thereof.

All software products, as well as all add-on programs and features, as well as the associated documentation, including, but not limited to this website, are registered and/or in-use trademarks of OPTIMAL SYSTEMS GmbH, Berlin, or one of its subsidiaries, and protected by German and international copyright law. All rights reserved, including reproduction, transmission, translation, and storage with/on all kinds of media.