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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.
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.
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

Support subscription, usage, hybrid, and one-time charges on a single platform, with configurable billing cycles, charge timing, and pricing rules.
Rate events in real time, aggregate charges, and generate accurate invoices that reflect every service, discount, tax, and adjustment.
Automate onboarding, renewals, proration, dunning, and collections while enforcing policies that reduce errors and revenue leakage.


Built on hardened, cloud-native infrastructure with encryption, access controls, and audits to keep every subscription and payment secure.
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.
Proven playbooks and adjunct options help you go live quickly, de‑risk migrations, and scale from pilot to full rollout without disruption.
Your industry isn’t generic. Your solutions shouldn’t be either.
Talk with our experts about modernizing your subscription billing — from strategy and architecture to launch and migration.
Leverage a multi-tenant, cloud-native architecture with open APIs to integrate with your existing stack and scale to millions of subscribers.

CSG Ascendon's inclusion in Gartner's Market Guide validates our leadership in CSP revenue management and monetization solutions.

CSG Ascendon's Leader designation in MGI's Agile Billing evaluation validates our industry-leading billing and monetization capabilities.