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Get the 2025 Gartner® Market Guide for Mainframe and Legacy System Cloud and Hosting Providers

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Evaluate the Market. Discover Opportunities. Shape Your Legacy Strategy.

The 2025 Gartner® Market Guide for Mainframe and Legacy System Cloud and Hosting Providers we believe is an essential reading for IT and infrastructure leaders navigating the complex shift from legacy architectures to modern, scalable cloud environments.

Inside the report, Gartner outlines key use cases, emerging trends, and the capabilities organizations should demand when selecting cloud or hosting providers to support mainframe and non-x86 platforms.

Our key takeaways:

  • Market dynamics, including the decline in mainframe hardware spend and the rise of modernization initiatives
  • The four strategic use cases driving legacy hosting demand:
    Public cloud proximity, small footprint optimization, read-only environments, and data center divestment
  • Comparative insight into hosting vs. cloud delivery models
  • A framework for evaluating vendors based on platform scalability, SLA strength, security, and cost-efficiency
  • A list of 14 Representative Vendors, including Comarch Group

Why It Matters

Mainframes and legacy systems remain foundational to industries like banking, manufacturing, and government. But evolving business needs and talent gaps are accelerating the move to hosted or cloud-based alternatives.

This Gartner report can help decision-makers:

  • Understand when and why to consider offloading legacy systems
  • Build a business case for modernization, grounded in objective analysis
  • Identify which vendors best align with your operational, technical, and financial requirements

Access the Report Now

Complimentary access to the full Gartner® Market Guide is available through this page.
Download now to gain the insights you need to confidently plan your next step in legacy infrastructure evolution.

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Required Disclaimers

Gartner, Market Guide for Mainframe and Legacy System Cloud and Hosting Providers, Alessandro Galimberti, Tobi Bet, Dennis Smith, 6 January 2025

GARTNER is a registered trademark and service mark of Gartner, Inc. and/or its affiliates in the U.S. and internationally and is used herein with permission. All rights reserved.

This graphic was published by Gartner, Inc. as part of a larger research document and should be evaluated in the context of the entire document. The Gartner document is available upon request from Comarch.

Gartner does not endorse any vendor, product or service depicted in its research publications and does not advise technology users to select only those vendors with the highest ratings or other designation. Gartner research publications consist of the opinions of Gartner’s research organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose

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