Co-creating not just better businesses but a better world for everyone.


Katrin Sirach
[email protected] 

Elisa Frenz
[email protected]


SYNERGISTAS UG (haftungsbeschränkt)

Roennestrasse 4
14057 Berlin

Local Court Charlottenburg (Berlin) HRB 225679 B

Under the German law, the UG (haftungsbeschränkt) is a special form of a GmbH (limited liability company).

[email protected]

[email protected]

Represented by:

Co-CEOs Katrin Sirach & Elisa Frenz

Webdesign by:

Spacifik UG

VAT-Identification Number:

VAT-ID according to German law: DE339797422

Data Protection

see our Data Protection Declaration.


The contents of our pages have been created with the utmost care.

However, we cannot guarantee the accuracy, completeness and up-to-dateness of the content. As a service provider, we are responsible for our own content on these pages in accordance with the general laws pursuant to § 18 para. 2 of the State Media Treaty.

So please let us know in a friendly manner if there is content that needs to be corrected. We will comply with this.

Notice of liability for external links

Our offer contains links to external websites of third parties, on whose contents we unfortunately have no influence.

Therefore, we cannot assume any liability for these external contents. The respective provider or operator of the pages is always responsible for the content of the linked pages and not us. The linked pages were checked for possible legal violations at the time of linking. Illegal contents were not recognisable at the time of linking. However, a permanent control of the contents of the linked pages is not reasonable without concrete indications of a violation of the law. If we become aware of any infringements, we will of course remove such links immediately.


The contents and works created by us on these pages are subject to German copyright law.

Duplication, processing, distribution and any kind of exploitation beyond the scope of the copyright law require the explicit written permission. Downloads and copies of this site are not permitted.

If the contents on this page were not created by ourselves, the copyrights of third parties are respected. In particular, third-party content is marked as such. Should you nevertheless become aware of a copyright infringement, please inform us accordingly.

If we become aware of any infringements, we will of course remove such content immediately.


If you feel that you have been treated unfairly for whatever reason and would like to voice criticism, we would like to ask you to contact us first. Everything can be discussed and we will certainly find a solution without a lawyer.

We are always happy to receive suggestions and ideas, so don’t be shy about contacting us.

[email protected]

[email protected]