Name

Tango Telecom

Legal name

CSG Systems, Inc.

Website

https://tangotelecom.com

Company type

Public

Founded year

1994

Operating status

Acquired

Headcount range

51–100 employees

Short description

Tango Telecom is a private Ireland-based telecom software vendor (founded 1999, Limerick) providing Policy Control, Real-time Charging, and Next Generation Messaging Solutions to communications service providers globally.

Ownership category

akta.pro rank

Headquarters

HQ city

Limerick

HQ country

Ireland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. SaaS/Software Subscriptions: Platform licensing and subscription revenue from providing billing, payment processing, and customer engagement SaaS solutions to enterprise customers. Revenue derived from annual contracts with large organizations across multiple verticals including telecom, financial services, healthcare, and retail.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Tango Telecom is the leading provider of Policy Control, Real-time Charging, and Next Generation Messaging Solutions for evolving mobile networks. The company delivers BSS/OSS software that enables telecommunications operators to enforce real-time network policy, rate and bill modern telecom services, and operate next-generation messaging infrastructure.

Product overview

CSG delivers unified SaaS solutions for customer engagement, billing, and payment processing. The platform architecture consists of CSG Ascendon (digital monetization and BSS platform for subscriber management, pricing, and billing), CSG Xponent (customer experience and journey orchestration platform), and CSG Assure (roaming and settlement add-on module). These products work together to enable enterprises to monetize services, orchestrate customer journeys, and process payments at scale, with capabilities spanning billing operations, contact center operations, customer experience, digital transformation, IT, and marketing communications.

Differentiator

Problem solved

Functional benefit

Brands

• Ascendon: Unified SaaS solutions platform for customer engagement, billing, and payment processing. Powers customer experiences across multiple industries including Media & Tech, serving 118 countries.
• CSG Xponent
• CSG Assure

Products and services

• Policy Control Solutions Real-time policy decisioning software for mobile network operators to enforce network policies, manage data quotas, and apply fair-use controls across evolving mobile networks.
• Real-time Charging Solutions Software for rating and billing modern telecommunications services in real time, supporting monetization of mobile data and value-added services for mobile network operators.
• Next Generation Messaging Solutions Messaging infrastructure software for mobile network operators to operate modern IP-based messaging services supporting evolving operator requirements.

Quantifiable outcome

• 60% improvement in order fulfillment order times for fiber customers
• +14 more outcomes

Named customers26 records

Segments10 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability7 records

Feature5 records

Partnerships

One partnership is on record.

• NEC and NetcrackercoreStrategic or Co-development PartnerNEC and Netcracker completed acquisition of CSG Systems. The integration of CSG with Netcracker creates a more comprehensive and unified digital platform. This represents a significant strategic combination bringing together CSG's billing, payment, and customer engagement solutions with Netcracker's digital transformation capabilities.

Scale indicators24 records

Expansion highlights1 record

Broad incumbents

• Amdocs: Amdocs is a broad telecom BSS/OSS incumbent whose portfolio spans billing, charging, policy and customer engagement for CSPs. It acquired Openet to deepen real-time charging capability, putting it in direct competition with Tango's core stack at Tier-1 accounts.
• Nokia (AVA / Digital Experience): Nokia's AVA analytics and Digital Experience portfolio includes policy, charging and customer engagement offerings that overlap with Tango Telecom's three pillars and compete for the same operator BSS budgets.
• Netcracker Technology: Netcracker (a NEC company) is a broad BSS/OSS and digital transformation incumbent that competes across policy, charging and digital customer engagement. Its 2025 acquisition of CSG Systems further expands its scale against specialists like Tango.
• Huawei (Digital BSS): Huawei offers a broad telecom BSS suite including policy and charging solutions that compete with Tango, primarily in Asia-Pacific, Middle East and Africa where it has strong operator relationships.
• Ericsson (Digital Services / OSS/BSS): Ericsson is a broad telecom incumbent whose Digital Services BSS/OSS portfolio includes policy and charging solutions sold primarily to mobile operators that also evaluate Tango's offerings.

Direct peers

• Optiva: Optiva (formerly Redknee Solutions) is a direct competitor in real-time charging, policy and monetization for telecom operators globally. Its product portfolio directly overlaps Tango Telecom's charging and policy stack and competes for the same CSP budget.
• MATRIXX Software: MATRIXX is a direct competitor in real-time charging, policy and digital monetization for communications service providers, with a similar cloud-native product ethos and Tier-1 operator references. It targets the same CSP BSS/OSS buyer as Tango Telecom.
• TEOCO: TEOCO is a direct competitor in telecom analytics, policy management and assurance, serving many of the same CSP customers Tango targets. Its policy and routing solutions overlap Tango's policy control footprint.
• Openet: Openet is a direct competitor in real-time charging, policy and data mediation for telecom operators and was acquired by Amdocs to bolster its BSS suite. It has been one of Tango's most direct head-to-head rivals in charging and policy.
• Comverse: Comverse is a long-standing competitor in telecom digital services including messaging and charging, with overlapping CSP customers and a similar profile of telecom-specialist software offerings.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/tangotelecom
• Facebookfacebook.com/tangotelecomltd
• LinkedInlinkedin.com/company/tango-telecom

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tango Telecom