Modern mainframe and cloud transformation
Reinventing the mainframe: agile, cloud-connected, future-ready
Modernize the core, power the future
Mainframes have long been the foundation of enterprise IT. As new technologies emerge, mainframes have evolved alongside them – as secure, high-performance backbones powering mission-critical workloads with unmatched reliability. While the mainframe remains a strategic asset, enterprises are actively adopting new platforms, technologies and processes such as cloud, Gen AI and DevOps to transform their mainframe estate so it can coexist in a hybrid IT landscape.
Is your mainframe optimized for agility, cost-efficiency and innovation? Are you planning to modernize your mainframe by leveraging cloud-native capabilities – all while remaining compliant with government regulations?
Modernizing mainframes for the AI and quantum era
Innovation and future-ready strategies
That’s where Atos can help.
With strong European heritage, we support you end to end, from running the mainframe efficiently to modernizing applications and adopting cloud platforms.
The focus stays consistent: minimize risk, maintain compliance and optimize your mainframe landscape in line with business priorities.
Enterprise-grade services help you modernize, integrate and accelerate change, whether you're streamlining existing workloads, connecting the mainframe to the cloud or modernizing applications.
Gen AI-powered tooling supports intelligent automation, hybrid integration and AI-driven innovation across IT.
A reliable workhorse for critical IT operations
Mainframe
of the world's IT workloads are handled by mainframes yet they account for only 6% of IT costs
Market Growth
market growth rate expected from 2025-2032
Market Growth
expected CAGR for the Mainframe Modernization Services Market during 2023–2031
Artificial Intelligence
of IT executives believe mainframes are essential for enabling AI-driven innovation
Innovation
years of continuous innovation driven by the mainframe
What it means for you
Wherever you are in your modernization journey, we help you manage, optimize, modernize and transform your mainframe estate. You’ll reduce risk, support growth and enable large-scale transformation, so you’re ready to activate the full power of AI across your enterprise.
Stable global operations and as-a-service offerings keep your platform dependable, while ongoing innovation helps it evolve in the most efficient and technologically advanced way.
With a global footprint and deep expertise across the full spectrum of mainframe services, we support and deliver enterprise-scale transformation. This expertise spans cloud, mainframe and infrastructure, strengthened through our Mainframe Academy.
In collaboration with strategic partners, and using AI-enabled modernization and automation, end-to-end services are delivered from dedicated mainframe hubs and cloud modernization and migration centers.
From mainframe to cloud, we stay by your side through each phase of the journey, supporting compliance, resilience and innovation at scale.
Mainframe application modernization
We help accelerate your journey to the public cloud while maintaining operational continuity. Critical workloads can be migrated in a way that preserves mainframe strengths within a hybrid environment. A proven framework and a suite of Gen AI-powered tools support secure, efficient modernization to the cloud of your choice, covering a full range of approaches.
Mainframe as a Service (MaaS)
Workloads run within secure, optimized mainframe hubs on IBM systems, providing a resilient, scalable and secure foundation for a hybrid IT strategy. With a strong focus on hybrid environments, sustainability and risk management, the solution supports modernization by improving operational agility, data sovereignty and compliance.
Mainframe optimization services
The platform is continuously optimized and modernized to support new web-based business processes in hybrid environments. This helps reduce silos between data and applications. Mainframe infrastructure is integrated with cloud environments, and AI is applied to streamline performance. The result is a more cloud-like experience for developers and agile teams.
Mainframe operations services
From supporting your in-house team to fully managed services, we deliver operational excellence, service management and continuous innovation to keep systems reliable, efficient and compliant.
CASE STUDY
How we make an impact
Modernize mainframe to support Lumen's most critical applications
The mainframe-as-a-Service solution offers Lumen a "cloud-like" mainframe scalability that provides everything from computing power to service management and innovation. Consumption-based charging allows Lumen to adjust the service as its capacity needs change.
Industry recognition
Atos honored as Silver Stevie® award winner for Excellence in Agentic AI Deployment
Best Digital Transformation Project at European IT Awards 2025
Atos Wins “Innovation & Technology of the Year” at the Service Desk Institute Awards 2026
PARTNERS
Harnessing the power of We
Our local or global partners help us deliver the best solutions for your business.
CONTACT SALES
Ready to modernize your mainframe?
Contact us for more information or to book a one-on-one meeting with our mainframe experts.
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