7 Leading Mainframe Modernization Companies for Cloud Transformation (AWS, Azure & GCP)
Modernization is a comprehensive process, especially when it comes to aging mainframe environments.
Usually, mainframes are at the backbone of critical business operations. So it’s important to find not just a seasoned tech provider, but a true partner that will put your business logic and continuity at the center of transformation.
This article highlights the top 7 mainframe modernization companies with proven expertise and reputation.
Read on to investigate their key characteristics, compare pros and cons, and make a winning choice for your business.
Corsac Technologies
Backed by 18+ years of experience in software modernization, Corsac Technologies provides end-to-end services, starting from an in-depth legacy audit to post-modernization support. It’s exactly the type of company that goes far beyond surface-level code patches. By conducting root-cause analysis, they detect true reasons for your tech stagnation, deliver valuable changes to system architecture, enhance maintainability, and reduce hidden legacy costs. Corsac’s experts are compliance-first and business-oriented, preserving high-level security and operational integrity. The industries of their focus are GIS, healthcare, banking and finance, cybersecurity, and media. They fully understand the mainframe specifics in these sectors, so they can work almost independently, with minimum involvement from your team. Their team also excels at AI integration, so they will help you build a future-ready solution with ROI-driven architecture.
Refactorly App
This is a next-gen solution developed by a legacy modernization company for well-organized and risk-controlled mainframe transformation. Powered by an AI-driven framework, Refactorly enables a thorough evaluation of your existing system and generates modernized code. The code is automatically validated, replacing error-prone manual checks and saving developers’ time. Thanks to canary deployments, your modernization will be implemented phase by phase, with parallel operation of old and new environments to ensure minimal disruption. The transformation process will be predictable, with clear progress dashboards and measurable outcomes.
IBM
IBM is a global leader in mainframe modernization that provides rehosting, refactoring, and API integration to ensure seamless mainframe connectivity to modern cloud platforms. Thanks to the AI-driven approach, their experts can detect hidden dependencies and restore fragmented logic and undocumented parts of legacy code. Modernization process also includes updates of outdated components, enhancement of code quality, elimination of tech debt, architectural streamlining and maintainability improvements. They also provide comprehensive modernization consulting to help you unlock the full potential of your mainframe systems.
Accenture
Powered by AI-driven engineering and software agents, this company helps break down data silos, reduce tech debt, refactor code, and enhance integration across cloud and enterprise environments.
Accenture follows incremental approach, working at your pace without “forcing big rewrite”.
They treat critical workloads with special attention. By gradually separating legacy components, introducing changes, and implementing DevSecOps, they ensure continuity of essential workloads that require strong security and smooth performance.
You’ll be able to deploy new features in weeks instead of months, accelerating time-to-market.
Kyndryl
Kyndryl offers a vast variety of mainframe modernization services, including code conversion, mainframe automation, and secure data integration. Their experts start with deep analysis aimed at evaluating your current mainframe environment. Based on this, they build a well-structured modernization strategy tailored to your appliaction and data priorities. They provide different migration options, from rehosting to full off-mainframe move. Thanks to high-quality services and proficiency in advanced technologies, the Kyndryl company was recognized as one of the mainframe modernization leaders by multiple industry rankings.
Luxoft
Another global-scale mainframe modernization company with a special focus on cost optimization, security, and business logic integrity. They apply advanced open-source technologies, comprehensive test coverage, and CI/СD practices. Combining deep human expertise with AI-powered automation, they accelerate mainframe modernization, helping you optimize resources. You’ll gain reduced operational costs, accelerated time-to-market, enhanced security and compliance, and streamlined data flows.
CGI
If your core goal is to preserve value and stability of your mainframe app, while taking advantage of the scalable, up-to-date cloud environment, the CGI experts will be a great choice. They’ve established their own Global Competency Center for IT modernization and their experts will align your business goals with IT infrastructure evolution. Applying automated modernization tools, they help clients avoid costly mistakes and preserve core workflows almost uninterrupted.
We hope that our article will come in handy and you’ll find a partner ready to dive into your business logic, go the extra mile and accelerate your growth.
