Our Clients

Zalando Auto 1 Quandoo Groupon Runnerspoint Rocket-Internet eDarling eKomi Ladenzeile Bild digital Welt Wimdu Kaufda Adscale


With his abilities to structure, streamline and optimize of our websites, Ronny has helped us to become the market leader in Germany. He designed and developed our initial website launch. He would most certainly be our first choice when the time comes for our next project.

Robert Gentz, Founder Zalando



Ronny has a phenomenal knowledge of product, ui/ux, conversion, marketing and coding technologies. He was responsible for building up our international design, performance marketing and CTO of the PHP development teams since the very beginning of Groupon’s activities. With more then 200+ employees, he rolled out Groupon into 54 Countries.

Daniel P. Glasner, Co-Founder and MD CityDeal / Groupon


Ronny is always our first choice when it comes to creating our digital products. He helped us to build up and scale Auto1 to Europe's leading online B2B marketplace for used cars. He is an absolute expert in developing online products with focus on product, marketing and tech.

Christian Bertermann, Founder Auto1