Turn every subscription into predictable, scalable revenue
Modern subscription billing that adapts to any offer, channel, or customer so you can launch fast, bill accurately, and grow with confidence.
Subscription billing built for what’s next
Unify how you price, bill, and collect subscriptions on a single, cloud-native billing solution. Support subscription, usage-based, hybrid, and partner-driven models in one place, while automating the end-to-end lifecycle from sign-up to renewal.
From disconnected billing to a unified subscription engine
Legacy billing slows down launches, complicates pricing, and frustrates customers. CSG’s subscription billing solution replaces siloed systems with one flexible engine that keeps you in control of revenue, experiences, and growth.
Launch new subscription services in weeks, not months
Unlock a configurable catalog and agile billing engine so product teams can test, launch, and iterate without waiting on long IT projects.
Configure plans, bundles, and promotions once and reuse them across channels
Support trials, freemium, upgrades, downgrades, and add-ons with no custom code
Roll out changes confidently with guardrails, versioning, and clear audit trails
Consolidate subscription, usage, and partner billing on one platform
Bring every recurring and event-based charge into a single source of truth for customers, partners, and finance.
Support subscription, usage-based, hybrid, and multi-party billing in one solution
Handle complex hierarchies, shared accounts, and multi-entity invoicing with ease
Automate revenue sharing, settlements, and taxation to reduce leakage and manual work
Make billing experiences clear for customers and simple for teams
Give customers and agents the transparency they expect — and your business the automation it needs.
Provide accurate, easy-to-read bills and real-time balances across channels
Empower self-service for subscription changes, payments, and disputes
Automate workflows for renewals, collections, adjustments, and refunds to lower OPEX
Close the gaps that silently erode recurring revenue
Use built-in controls, automation, and analytics to catch missed charges, errors, and failures before they hit your bottom line.
Enforce consistent rating, discounts, and taxation with centralized rules
Automate retries, dunning, and adjustments to recover failed or partial payments
Reconcile usage, billing, and payments data to quickly spot and fix discrepancies
Everything you need to run modern subscription billing
Flexible monetization models
Support subscription, usage, hybrid, and one-time charges on a single platform, with configurable billing cycles, charge timing, and pricing rules.
Unified rating, billing, and invoicing
Rate events in real time, aggregate charges, and generate accurate invoices that reflect every service, discount, tax, and adjustment.
Lifecycle automation & revenue assurance
Automate onboarding, renewals, proration, dunning, and collections while enforcing policies that reduce errors and revenue leakage.
Cloud-native scale and extensibility
Leverage a multi-tenant, cloud-native architecture with open APIs to integrate with your existing stack and scale to millions of subscribers.
Solutions that deliver real results
Recognized for excellence
Included in Gartner® Market Guide for CSP Revenue Management and Monetization Solutions, 2025
CSG Ascendon's inclusion in Gartner's Market Guide validates our leadership in CSP revenue management and monetization solutions.
MGI Leader for MGI: Agile Billing, 2025
CSG Ascendon's Leader designation in MGI's Agile Billing evaluation validates our industry-leading billing and monetization capabilities.
Confidence built into every subscription
Security
Built on hardened, cloud-native infrastructure with encryption, access controls, and audits to keep every subscription and payment secure.
Integration
Make billing the backbone of your ecosystem, not a silo. Open, API-first integrations connect seamlessly to your other systems to create a single source of truth across every channel.
Implementation
Proven playbooks and adjunct options help you go live quickly, de‑risk migrations, and scale from pilot to full rollout without disruption.
Tailored for you
Your industry isn’t generic. Your solutions shouldn’t be either.
Ready to simplify subscription billing and grow faster?
Talk with our experts about modernizing your subscription billing — from strategy and architecture to launch and migration.
Frequently asked questions
Related resources
How Customer Loyalty Is Won and Lost: 3 Insights From Consumers
CSG Named a Major Player in the 2025-2026 IDC MarketScape
