EX-21.01 5 csgs-ex21_01.htm EX-21.01

EXHIBIT 21.01

CSG Systems International, Inc.

Subsidiaries of the Registrant

As of December 31, 2024

Subsidiary | State or Country of Organization
Ascade AB | Sweden
Ascade Middle East FZ-LLC | United Arab Emirates
Billing Intec Uruguay S.A. | Uruguay
CSG Forte Payments Holdings, Inc. | Delaware
CSG Forte Payments, Inc. | Delaware
CSG Forte Payments Canada, Inc. | Canada
CSG International Australia Pty Limited | Australia
CSG International Colombia SAS | Colombia
CSG International Pty Limited | Australia
CSG International PTE Ltd | Singapore
CSG International Sdn Bhd | Malaysia
CSG SA Holdings (Pty) Limited | South Africa
CSG SA Services (Pty) Limited | South Africa
CSG Systems International, Inc. | Delaware
CSG Systems International (India) Pvt. Ltd. | India
CSG Systems U.K. Limited | United Kingdom
CSG Systems, Inc. | Delaware
CSGI Maroc Sarl | Morocco
Designgen, Comunicação Visual, Unipessoal Lda. | Portugal
DGIT Systems Pty, Ltd. | Australia
DGIT Holdings Pty, Ltd. | Australia
DGIT NZ Limited | New Zealand
Digiquant, Inc. | Delaware
Independent Technology Billing Solutions S de RL de CV | Mexico
Inomial Pty, Ltd. | Australia
Independent Technology Systems Limited | United Kingdom
Independent Technology Systems for Information Technology LLC | Saudi Arabia
Independent Technology Systems SL Unipersonal | Spain
Intec Billing Canada Ltd. | Canada
Intec Billing Ireland Ltd. | Ireland
Intec Billing, LLC | Delaware
Intec Billing Nigeria Limited | Nigeria
Intec Telecom Systems (France) SARL | France
Intec Telecom Systems Denmark A/S | Denmark
Intec Telecom Systems Deutschland GmbH | Germany
Intec Telecom Systems do Brasil Limitada | Brazil
Intec Telecom Systems Italia S.P.A. | Italy
Intec Telecom Systems Limited | United Kingdom
Intec Telecom Systems South Africa (Pty) Limited | South Africa
Keydok Mexico SA de CV | Mexico
MobileCard Holdings, LLC | Delaware
PT CSG Systems Indonesia | Indonesia
Tango Telecom Ltd. | Ireland
Tango Telecom Sdn Bhd | Malaysia
Volubill Danmark ApS | Denmark
Volubill, Inc. | Delaware