The workshop showed us how psychological effects, gamification, and clear, accurate goals can completely redefine business engagement. Working with Mr. Hans is highly recommended.

Dr. Kea Hartwig

Knowledge Management Consultant

"Through Cogniteer, we gained many new and psychologically sound approaches for optimizing our customer retention emails. Together, we were able to develop a new concept for our form. We can recommend working with Cogniteer without reservation."

Lucas Kickermann

VGL Publishing AG

"The workshop on CRO was a real eye-opener—it not only sharpened our understanding of the hurdles in A/B testing but also created the perfect foundation for the successful launch of our program."

Christoph von Heydebrand

Head of Customer Experience
at CALIDA GROUP DIGITAL

"Thanks to the flexible collaboration with Fabian, we were able to implement CRO processes quickly and efficiently and scale our testing program. As a result, we didn't lose any time in the CRO area and were able to tap into a great deal of potential."

Steffen Bath

Senior Team Lead Marketing Technology

"From my work with Fabian, I know he is an outstanding expert in conversion rate optimization. He stands out not only because he possesses comprehensive know-how and delivers effective optimization work, but also because he supports our clients in building the right CRO team and establishing an agile, continuous optimization process. Whether you need an interim manager for CRO or want to accelerate or expand your own CRO program."

Jan Marks

Director Europe & Latin America,
VWO (A/B Testing Tool)

"Cogniteer proved to be an extremely competent and dedicated partner during our rapid user test. Their well-founded insights provided us with valuable knowledge that allowed us to specifically align and optimize our domain to meet the needs of our target audience. Thanks to our collaboration, we were able to take a significant step toward a user-centric strategy."

Johannes Montag

Head of E-Commerce

"Cogniteer didn't just help us achieve a better conversion rate—in a highly targeted and professional manner—they also broadened our perspective, which had become a bit narrow due to the daily grind. We would recommend them to anyone looking for not just a precise analysis, but also a detailed to-do list for optimizing their shop."

Marcus Scheinpflug

CMO

"I recommend working with Cogniteer to any company that wants to approach conversion rate optimization in a truly sustainable and long-term way, rather than just looking for a quick fix."

Benjamin Uhlmann

CMO

"The targeted CRO analysis from Cogniteer has made our A/B testing significantly more efficient. This led to noticeable improvements in our conversion rate and optimized resource utilization."

Annick Länzlinger

International Growth Manager
at Simple Online Healthcare

"Cogniteer delivered a fresh, external perspective in record time—combined with smart psychological insights, a genuine understanding of the users, and a keen sense for our business. If you are looking for real growth rather than empty optimization promises, this is the right place. We highly recommend working with them!"

Arthur Wagner

CDO

"Fabian helped us build our testing program and better understand our customers' behavior. Thanks to the excellent, collaborative partnership, we were able to uncover many optimization opportunities."

Hendrik Plein

Digital Marketing Lead,
Vemietet.de by Immoscout24

"The collaboration helped us make our testing program even more efficient. Furthermore, we have now developed a clear vision for our CRO program to unlock its full potential. Highly recommended for anyone looking to take their conversion optimization to the next level!"

Patricia Mitterer

Webshop Development Team Lead

"The one-day workshop with Fabian was truly profound and provided us with solid knowledge without overwhelming us. It enabled our product and marketing teams to develop a shared understanding of testing strategies and to evolve them together. Since then, we have been testing much more strategically, purposefully, quickly, and successfully! A top-tier CRO workshop that is worth every penny and comes highly recommended!"

Tim Jankwitz

Performance Marketing Team Lead

"Through the detailed analysis with Cogniteer, we gained exciting new insights into user behavior and discovered a wealth of new optimization ideas. It is always worth getting an additional external perspective."

Jan Nothdurft

CX Team Lead