Mainframe Modernization Services Market Size, Share, Trends, and Forecast 2023–2031

United States of America– 29 Dec 2025- The mainframe modernization services market is experiencing robust momentum as enterprises accelerate efforts to overhaul legacy systems for enhanced agility and innovation. Driven by widespread digital transformation initiatives, organizations across sectors prioritize these services to integrate outdated mainframes with contemporary cloud ecosystems and AI-driven architectures.

The mainframe modernization services market size is expected to reach US$ 86.14 billion by 2031 from US$ 33.55 billion in 2023. The market is estimated to record a CAGR of 12.5% from 2023 to 2031. An increase in investment toward the transformation of IT infrastructure and integration with AI and machine learning is likely to remain a key market trend.

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Market Drivers

Rising adoption of mainframe modernization services stems from the integration of emerging technologies like AI, machine learning, IoT, and automation in IT and telecom sectors. These services enable seamless migration of mainframe applications to cloud platforms via APIs, microservices, and DevOps practices, fostering efficient system operations. In banking, healthcare, government, and manufacturing, the push for advanced IT infrastructure transformation amplifies demand, as firms seek to leverage mainframes' high-performance hardware alongside modern software tools.

The expansion of data analytics further propels growth, with modernized mainframes facilitating smoother data flows for insightful decision-making and regulatory compliance. Government agencies rely on these upgrades for optimized resource planning, while businesses harness analytics to derive competitive edges from vast data volumes generated by remote work and digital interactions.