Your worldwide partner in active testing of telecommunications

Founded in 1989, Keynote SIGOS is the worldwide leader in automated end-to-end active testing of telecommunication networks and services.

Our scalable and entirely customizable solutions enable network operators, over-the-top (OTT) content and solution providers, carriers and regulators to fully understand Quality of Service and Quality of Experience from an end-user perspective.

We have over 410 customers in the telecommunications industry, including most of the top 100 operators, which benefit from our comprehensive range of active testing, tracing and reporting solutions across all technologies (2G, 3G and LTE).

Our key competences are:

The company headquarters is in Nuremberg, Germany, where our products are developed. Our international expert staff of more than 240 employees speak over 30 languages and are passionate about communications. The network of Keynote SIGOS authorized partner companies and representatives in over 50 locations across the globe completes our worldwide presence.

In Brief

Founded: 1989 in Germany as SIGOS Systemintegration GmbH
Employees: 240+ (2014)
Parent Company: Keynote Systems, Inc.


Keynote SIGOS GmbH
Klingenhofstrasse 50
90411 Nuremberg
Phone: +49 (0)911-9 51 68-0
Fax: +49 (0)911-9 51 68-355

Benefits at a glance/Profile:

  • German engineering
  • One solution – numerous test applications
  • True reflection of customer experiences
  • Expert staff with global market knowledge and rich language skill set
  • Authorized worldwide partner network
  • Large global customer base
  • More than two decades of experience in telecommunications