GfK SirValUse Consulting GmbH

GfK SirValUse, based in Hamburg, Germany is the leading company for user research and usability testing in Europe. With 60 permanent employees, we thrive to help our clients to optimize their product interfaces. Founding member of UXalliance in 2005.

Our team can provide high-quality data and analyses, and well-founded expert knowledge to lead the products of our clients to success. All consultants are fluent in English. 

We offer 7 labs, 5 client and observation rooms, 3 with one-way-mirrors and 2 mobile labs in Hamburg and Munich. Our test rooms provide ideal conditions for individual interviews and group discussions.