Mainframe Modernization Companies

AngularJS to React migration guidance and component scaffolding

Automated COBOL and PL/I to Java transformation and rehosting

Mainframe workload assessment and Azure landing zone sizing

Automated AS/400 RPG and COBOL to Java transformation

Conditional Access policy JSON and PowerShell migration script generation

COBOL analysis, documentation, and C# refactoring guidance

Accenture is a global professional services powerhouse with deep expertise in mainframe modernization. They combine strategic consulting with massive execution scale, leveraging partnerships with all major cloud providers. Their "myNav" platform helps chart the best migration path.

Astadia is a dedicated mainframe modernization specialist. Their "FastTrack" platform offers 100% automated code refactoring for IBM and Unisys mainframes. They are a top choice for organizations that want a pure-play migration partner rather than a generalist SI.

AWS Mainframe Modernization service provides tools and infrastructure for migrating mainframe workloads to AWS. It includes the Blu Age automated refactoring toolchain for converting COBOL to Java.

Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. Their "Economic Application Modernization" approach focuses on optimizing costs while migrating legacy workloads to the cloud.

Cognizant is ranked #1 in Application Modernization by HFS. Their "Skygrade" platform acts as a force-multiplier, utilizing generative AI and modern tooling to accelerate holistic cloud-native transformations, particularly in banking and healthcare.

Deloitte offers a holistic approach to modernization, combining deep business strategy with technical execution. They excel in complex, regulated environments where risk management and business continuity are as critical as the code conversion itself.

Born from the merger of CSC and HPE Enterprise Services, DXC has massive legacy heritage. They specialize in "Mainframe-as-a-Service" and hybrid modernization strategies, making them ideal for organizations that want to optimize on-premise while gradually moving to the cloud.

Heirloom Computing specializes in rapid mainframe modernization through automated refactoring of COBOL/CICS applications to Java, preserving business logic while moving to cloud-native architectures.

The original creators of the mainframe. IBM Consulting is uniquely positioned to modernize IBM Z workloads using their "watsonx Code Assistant" for Z, which uses generative AI to translate COBOL to Java with high accuracy. Best for those staying in the IBM ecosystem or moving to Hybrid Cloud.

Infosys Cobalt is a leading set of services, solutions, and platforms for enterprises to accelerate their cloud journey. Their Modernization Suite includes over 40 services and aims to reduce development efforts by up to 40% using proprietary AI-driven tools.

Intellias is a global technology partner to Fortune 500 enterprises and top-tier organizations.

Spun off from IBM, Kyndryl is the world's largest IT infrastructure services provider. They specialize in managing and modernizing mission-critical systems, particularly mainframes. They are the go-to for "optimize and coexist" strategies.

Now part of OpenText, Micro Focus provides the tooling that powers many other vendors' migrations. Their "Visual COBOL" allows running COBOL on .NET/JVM, and "Enterprise Analyzer" is the gold standard for legacy code assessment.

Modern Systems (acquired by Rocket Software) specializes in mainframe modernization through replatforming and emulation. They allow organizations to move legacy workloads to x86 infrastructure without rewriting code.

Scalo is a software house specializing in legacy modernization and cloud migration.

SoftServe combines deep engineering expertise with strong industry verticals, particularly in Healthcare and Retail. Their Application Modernization Platform (SAMP) provides a repeatable framework for moving to AWS and Azure.

Tata Consultancy Services (TCS) operates at massive scale. Their "MasterCraft" suite leverages intelligent automation and GenAI to modernize legacy applications. They are currently migrating over 50 million lines of COBOL to Java for a single financial client.

The Software Revolution, Inc. (TSRI) specializes in automated modernization for mission-critical systems, particularly in defense and government. Their JANUS Studio® achieves near 100% automation for rare languages like Ada, Fortran, and Jovial, as well as standard COBOL.