U.S. Firms Embrace GenAI to Migrate, Update Mainframes
GenAI features of mainframe services reduce cost, development time in application modernization and cloud migration, ISG Provider Lens™ report says
The 2025 ISG Provider Lens™ Mainframe — Services and Solutions report for the
“The functions that mainframes have always performed are still essential to many enterprises, and GenAI provides new ways to maximize their value,” said John Schick, ISG consulting lead on mainframe computing. “Service providers are using GenAI to open up new possibilities for clients.”
GenAI has improved application modernization techniques to the point where some
The report also examines mainframe application modernization in
Most vendors of mainframe application modernization software are also adding GenAI-powered features to ease enterprise use, the report says. Though conventional large language models (LLMs) have yet to fully grasp application architecture, companies can write code faster using toolsets based on GenAI that perform functions such as assessing applications, mapping dependencies and refactoring code bases.
“GenAI is accelerating mainframe migration by reducing risk,” said Jan Erik Aase, partner and global leader, ISG Provider Lens Research. “Enterprises evaluating their mainframes’ future now have less to fear and more to gain.”
The report also explores other mainframe trends in the
For more insights into the mainframe-related challenges faced by companies in the
The 2025 ISG Provider Lens™ Mainframe — Services and Solutions report for the
The report names DXC Technology and Wipro as Leaders in five quadrants each. It names Capgemini and Kyndryl as Leaders in four quadrants each and Ensono, Infosys and TCS as Leaders in three quadrants each. Accenture, Cognizant and FNTS are named as Leaders in two quadrants each. Astadia (Amdocs), Avanade, AWS, GFT, Google, HCLTech, Heirloom Computing, Hexaware, LTIMindtree, Mphasis, NTT DATA, Rocket Software, TmaxSoft and TSRI are named as Leaders in one quadrant each.
In addition, AveriSource, Cognizant, HCLTech and Kyndryl are named as Rising Stars —companies with a “promising portfolio” and “high future potential” by ISG’s definition — in one quadrant each.
In the area of customer experience, UST is named the global ISG CX Star Performer for 2024 among mainframe service providers. UST earned the highest customer satisfaction scores in ISG's Voice of the Customer survey, part of the ISG Star of Excellence™ program, the premier quality recognition for the technology and business services industry.
Customized versions of the report are available from Astadia, AWS, FNTS, Heirloom, Hexaware, RecoveryPoint and TSRI.
The 2025 ISG Provider Lens™ Mainframe — Services and Solutions report for the
About ISG Provider Lens™ Research
The ISG Provider Lens™ Quadrant research series is the only service provider evaluation of its kind to combine empirical, data-driven research and market analysis with the real-world experience and observations of ISG's global advisory team. Enterprises will find a wealth of detailed data and market analysis to help guide their selection of appropriate sourcing partners, while ISG advisors use the reports to validate their own market knowledge and make recommendations to ISG's enterprise clients. The research currently covers providers offering their services globally, across
About ISG
ISG (Nasdaq: III) is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world’s top 100 enterprises, ISG is a long-time leader in technology and business services that is now at the forefront of leveraging AI to help organizations achieve operational excellence and faster growth. The firm, founded in 2006, is known for its proprietary market data, in-depth knowledge of provider ecosystems, and the expertise of its 1,600 professionals worldwide working together to help clients maximize the value of their technology investments.
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Press Contacts:
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Source: Information Services Group, Inc.