Transform complexity into agility.

CORE Migration is your partner in modernizing complex legacy systems, combining deep industry knowledge with cutting-edge solutions to create agile applications.

AI-Guided Modernization

Modernize legacy applications with precision, not guesswork. Our proven repository-driven CORE Migration Method is enhanced with AI analysis to identify complexity, hidden dependencies, and modernization risk before engineering begins. The result is predictable scope, controlled timelines, and dramatically reduced project uncertainty

AI-Assisted Automated Transformation

We combine automated code transformation with AI pattern recognition to accelerate forward engineering while preserving behavior. AI highlights refactoring opportunities, detects anti-patterns, and validates structural equivalence across millions of lines of code so modernization stays accurate, maintainable, and production-ready for clients.

AI Business Rules & Discovery

Critical business logic often lives only inside legacy programs. Our platform uses parsing technology plus AI interpretation to extract calculations, validations, and decision logic into human-readable documentation. This ensures no hidden dependencies are missed during transition, providing a clear roadmap.

AI-Driven Regression & QA

Quality is the final gate in modernization. AI generates additional edge-case tests, compares legacy versus modern outputs, and identifies behavioral deviations across large datasets. Combined with our structured QA process, clients gain measurable proof that the new system behaves exactly.

Powerful Automated Legacy Modernization Technology to Accelerate Migration to the Cloud.

At the heart of your organization is a mission-critical core software application built using legacy applications, such as COBOL, PowerBuilder, Progress, PowerHouse 4GL, Speedware, Visual Basic and others. It is the essence of your business. Its thousands and sometimes millions of lines of custom code contain core business knowledge that meet the business needs and requirements. It is deeply integrated with other systems and is relied upon by scores of end users.

The CORE Migration Method (CMM) provides a proven framework for moving complex, mission-critical legacy applications onto modern platforms with confidence.

With its integrated toolsets, including the Design Preservation Toolkit, the CORE Repository and the Forward Engineering Toolkit, the method automates much of the transition to cloud environments and modern architectures such as Java and .NET API services. This reduces manual effort, minimizes the risk of errors, and ensures a smooth, reliable transformation, helping organizations move forward faster while preserving the integrity of their existing systems.

CORE Migration Technology.

At the center of the CORE Migration Method is the CORE Migration Technology. This is a comprehensive set of proven automation and AI assisted tools designed to take the risk out of legacy system modernization.

CORE Migration Business Rules Extraction chart

What Our Clients Are Saying

Our clients value the impact of our services and the collaborative approach we take to address their unique needs. Here are some of their thoughts on working with us:

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“Their commitment to quality and attention to detail made all the difference. We felt confident and supported throughout the entire modernization process.”

Stewart M.

“We were impressed by their deep technical knowledge and ability to tackle even the most complex migration challenges. The outcome speaks for itself.”

Tracy M.

“Working with them was a collaborative and transparent experience. They truly cared about our success, and it shows in the final product.”

Eric C.

“Thanks to their expertise, our legacy system is now a modern, scalable platform that will support our growth for years to come. The transition was flawless.”

Donald C.

Technology Partners

At CORE, we collaborate with leading technology partners to deliver innovative solutions that meet the evolving needs of our clients. Our partnerships with these industry leaders enhance our ability to modernize legacy systems and develop agile applications.

Access Expert Insights

Explore our in-depth resources on the latest in legacy modernization. Request a whitepaper to learn more about CORE’s advanced methodologies and case studies.

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