Mainframe
Modernize the mission-critical core continuously—without disrupting the business
Continuously modernize the core while the business keeps running
Kyndryl helps organizations continuously modernize IBM Z and IBM i environments without compromising the stability and resilience of the systems that keep the business running. We run what we transform, and transform what we run, using production context gained from real-world operations to guide application-level decisions.
Our agentic workflows help teams move faster, while expert governance provides the oversight needed to manage risk and maintain resilience. Whether an application should be modernized on platform, integrated with new services, or moved elsewhere, we help organizations choose the right path and pace.
how kyndryl helps
Run. Transform. Run better. Repeat—with continuous, agentic and expert-guided mainframe modernization
Discover why Kyndryl is recognized as a mainframe modernization market leader
Insights for continuously modernizing the mainframe
2025 State of Mainframe Modernization
Explore how enterprises are evolving mainframe strategies to unlock data, support AI, manage risk and choose the right modernization path for each workload.
Agentic AI is changing how mainframes are modernized
See how AI-enabled workflows can accelerate discovery, analysis and transformation while expert oversight helps protect trust, resilience and continuity.
AI may need the mainframe more than you think
The mainframe is finding a new role alongside cloud and AI. Hassan Zamat explains why its importance is growing, not fading.
Your mainframe knowledge can’t retire with your experts
Critical mainframe know-how often lives with a handful of experts. Learn how AI could help preserve it and put it to work at scale.
expert voices
The mainframe decision is no longer stay or leave—it is how the core keeps evolving
“Continuous modernization means choosing the right path for each application while protecting the resilience and business logic the enterprise depends on. Running and modernizing together makes every cycle safer and smarter.”
Hassan Zamat
You have questions. We have answers.
Continuous mainframe modernization is an ongoing approach to running, transforming and improving applications, data and infrastructure while the business keeps operating. It replaces one-time change with controlled cycles guided by operational insight.
Evaluate each application by business value, dependencies, technical health, cost, risk and readiness. Kyndryl helps determine the right application, right platform and right pace: modernize on, integrate with, move off, replace, retain or retire.
Kyndryl uses agentic workflows to accelerate discovery, documentation, dependency mapping, business-rule extraction, engineering and testing. Human oversight, governance and production controls help protect resilience and accountability.