For issuing Best in Test certificates, umlaut uses consumer experience data from millions of users around the world in addition to traditional crowdsourcing-based benchmarking methods.

This innovative approach allows analyzes to represent holistically collected data from network parameters.

The analyzed data for Bulgaria, on the basis of which the Best in test network was appointed, were collected from real used services by independent end users of mobile operators in Bulgaria.

The evaluation and comparison of networks is complex, based on coverage, reliability and quality of the mobile services provided.

umlaut is the new name of the rebranded P3 Group AG, which specializes in network and engineering testing.
P3 Group AG has a history of more than 20 years, renaming the company umlaut in October 2019 and having over 4300 employees located worldwide.

umlaut aims, by conducting independent measurements and analysis of the data collected, to distinguish telecommunication service providers for their results. umlaut analyzes the quality of telecommunications networks through a set of criteria in more than 120 countries around the world, using a fully objective approach in its methodology.