Products > Mainframe Modernization
Modernize Your Core Systems Without Disrupting Your Business
Moon Lab helps enterprises rehost, refactor or replatform mainframe workloads onto modern cloud-native architecture, de-risking the journey with rigorous testing, parallel runs and staged cutovers.
Why Modernize with Moon Lab
Decades of institutional knowledge live in your core systems. We help you carry it forward onto architecture your teams can actually hire for, integrate with and scale.
De-risked Migration Paths
Choose the right strategy per workload (rehost, refactor or replatform), with parallel runs and staged cutovers that keep the business running.
Business Logic Preservation
We extract, document and verify decades of business rules so nothing critical is lost in translation.
Cloud-Native Architecture
Land on maintainable services with APIs your modern stack can consume, built for observability, testing and incremental change.
AI-Accelerated Delivery
Our AI-driven delivery model typically reduces development cost by 50–75% versus traditional approaches, applied with human review at every gate.
Where Mainframe Modernization Pays Off
Typical programmes where unlocking the core creates immediate business value.
Banking Cores
Move accounts, payments and batch processing off aging cores while preserving regulatory audit trails.
Insurance Policy Systems
Replatform policy administration and claims onto services that integrate with modern channels.
Telecom BSS/OSS
Modernize billing and customer systems to unlock digital product launches.
Government & Public Sector
Sustain critical public services on maintainable infrastructure with clear documentation and compliance.