Quality assurance for modern communication networks
when quality matters
#1 provider of quality assurance for modern communication networks.
Thanks to our unique in-house resources, NET CHECK became a leading partner for the deployment, operation, and optimization of communication networks.
With deep expertise in measurement and data analysis, we support network operators and infrastructure providers worldwide. Our proprietary solutions for data collection and evaluation – including one of Germany’s largest crowdsourcing platforms generating over 144 million data points every day – ensure the highest levels of data quality, precision, and trust among scientific and governmental institutions.
+++Business News+++
August 2025
Focus Infocom is now NET CHECK
NET CHECK has completed the full integration of Focus Infocom and will now operate as a single entity on the market. This strategic acquisition enables NET CHECK to significantly expand its expertise and services in the field of mobile communications measurements. The Darmstadt-based company not only brings valuable know-how ranging from basic mobile radio technology to test strategies, QoS and QoE and almost 30 years of mobile radio experience to the partnership, but as a specialist in customised measurement technology, it is also the only manufacturer in Germany to offer mobile radio test devices that are tested and approved for use in all rail vehicles.
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NET CHECK
Services and Solutions
Mobile network test Germany 2025
Telekom, Vodafone, O2 – who has the best mobile network in Germany? And how does newcomer 1&1 fare?
The results are delivered by what is probably Germany’s toughest network test.
Network test 2025: Switzerland
Swisscom, Sunrise and Salt – how do the Swiss mobile networks perform?
Test winner Swisscom impresses with an excellent result. Behind it, a fierce battle for second place ensues – with Salt coming out on top, overtaking Sunrise for the first time.
Network test 2025: Austria
In Austria, network operators are moving ever closer together. As in the previous year, A1 wins by a narrow margin ahead of Magenta. Error-free phone calls and better download rates at A1 tipped the scales. But thanks to increased 5G expansion, Drei is also catching up more and more.
Network Test 2025: Serbia
In February 2025, NET CHECK’s measurement technicians carried out extensive measurements in Serbia. The mobile network provider mts Telekom Serbia repeatedly achieved the best result and received the ‘Best Mobile Network’ 2025 award.
Network test 2024: London
NET CHECK’s measurement technicians once again carried out extensive measurements in the capital of the United Kingdom. They covered all 33 districts of the Greater London Area. Vodafone showed the best overall performance and received a certificate for the best network in London.
Network test 2024: Bosnia and Herzegovina
With an extensive measurement , NET CHECK performed the national benchmark in Bosnia and Herzegovina, where m:tel showed the best overall performance, and received a Certificate for the best network in the country.
Network test 2024: Serbia
Between April and May, NET CHECK carried out a comprehensive nationwide measurement of the mobile network. The mobile network provider mts Telekom Serbia achieved the best result and received the ‘Best Mobile Network’ 2024 award.
Network test 2023: UK
With an extensive measurement with over 6160km in cities and connecting roads, NET CHECK performed the national benchmark in UK.
Crowdsourcing Projects
NET CHECK has successfully carried out projects in crowdsourcing, following the DSGVO network benchmarking, for local and international companies, as well as public institutions.
Data Analytics Projects
NET CHECK was at the forefront in the defense against the COVID-19 pandemic, and developed Germany’s early pandemic warning system. Supported and trusted by the Federal Authorities, and leading scientific institutions such as the Hasso Plattner Institute, the Robert Koch Institute, and the Charité- Universitätsmedizin.
Our references
NET CHECK - with quality into the digital future
Solutions that keep you stay one step ahead. Ensure your Network Quality.
Talk to us
Every good solution starts with expert guidance. If you have any questions about our products or services or would like to know whether we offer solutions for your business requirements, we will be happy to help you. Please fill in the form and we will get back to you as soon as possible.
If you are already using the NET CHECK Testbox and have any questions or require assistance, please email our support team at support[at]thenetcheck.com .
Are you interested in taking part in the NET CHECK test? Then please apply by registering on our web form.
Phone
Monday to Friday from 9am to 6pm
+49 (0) 30 303080-600
Office
NET CHECK GmbH
Ella-Barowsky-Straße 45-47
10829 Berlin
Germany