The work behind better conversion.
From buying friction to the foundations of a testing programme. A closer look at the work, the outcomes, and the people behind them.
More case studies


Programme consulting
Rosental Organics: From ad-hoc tests to a consistent programme.
Helped a fast-growing organic DTC brand move from ad-hoc testing to a structured experimentation programme with a measurably higher test velocity.
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Programme consulting
PKW.de: Better conversion. A team that keeps testing.
Drove conversion rate improvements across the full customer journey of one of Germany's largest automotive marketplaces — and embedded a lasting experimentation culture.
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European nutrition brand
Tooling advisory
Leading EU Nutrition Brand: The right tools. Data the team could trust.
Advised one of Europe's largest nutrition eCommerce brands through every stage of standing up their experimentation stack — tool selection, implementation, and validation of the setup.
Client name withheld on request.
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Some of the companies we’ve worked with
In our clients’ words.
Very strong communication, very proactive, and you can clearly see the structured, well-thought-out approach as well as the solid expertise. Rarely experienced: a team genuinely willing to go the extra mile at any time.

Johannes Sörensen
Co-Founder & CEO, ahead Nutrition
Thanks to the structured approach and clear action plan, it was easy for us to implement the CRO measures after the audit.

Elisabeth Reiter
Performance Marketing, Foodji
Besides uplifts in conversion rates at various points of the customer journey, the project helped implement an experimentation culture in our company, which we continue to strengthen across the entire team to this day.

Dr. Laurenz Preusse
Chief Marketing Officer, PKW.de
Working with Nils is highly enjoyable. His professional, personable and precise approach creates significant value. We exchange ideas as equals, challenge them and develop them further. In a short time, this helped me take my CRO knowledge to a higher level.

Luca Weingard
Digital Sales Performance Specialist, KPT Insurance
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