General

12 Months Ended

Dec. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

General

1. General

CSG Systems International, Inc. (the “Company”, “CSG”, or forms of the pronoun “we”), a Delaware corporation, was formed in October 1994 and is based in Greenwood Village, Colorado. We are a revenue management, customer experience, and payment solutions provider primarily serving the global communications industry. We have over 35 years of experience supporting communications service providers’ management of their revenue, customer communications, and digital ecosystem as they advance their video, voice, data content, and digital services to consumers. Over the years, we have focused our research and development (“R&D”) and acquisition investments on expanding our solution set to address the complex, transformative needs of service providers. We are a S&P SmallCap 600 company.

The accompanying Consolidated Financial Statements (“Financial Statements”) are prepared in conformity with generally accepted accounting principles (“GAAP”) in the United States of America (“U.S.”).