Financial institutions are under increasing pressure to modernize legacy environments, reduce operational overhead, and unlock the agility needed to compete in a fast-moving digital landscape. Mainframe modernization has become a critical priority—and ISG’s latest Provider Lens Mainframe Application Modernization Software report highlights the vendors best equipped to help organizations make this transition successfully.

In the 2025 U.S. quadrant, ISG positions AWS as a Leader, citing the depth of its modernization tooling, broad partner ecosystem, and strong professional services support. With solutions spanning rehosting, replatforming, reengineering, and full application rewrites—including AWS Blu Age—AWS provides a comprehensive pathway for institutions looking to migrate off the mainframe with greater speed, automation, and confidence.

The report also explores how generative AI is accelerating modernization efforts, improving code analysis, and helping teams streamline the journey from legacy systems to cloud-native architectures.

Key points covered:

• How financial institutions lower costs and boost agility by modernizing mainframes

• The role of automation and services in accelerating migration pathways

• Why GenAI is reshaping modernization strategies and reducing transformation timelines

• What sets AWS apart in ISG’s 2025 Mainframe Application Modernization Software quadrant