Client List

Our commitment to client success is unwavering. This commitment is reflected in how we develop our solutions, processes and methodologies and how we run our business.

CSG believes in business relationships that stand the test of time. For nearly 30 years, we’ve been a trusted partner to more than 500 companies worldwide, including the majority of the world's top 100 Communication Service Providers. Below is a sample list of our clients from various industries.