Mainframe to Microsoft Azure

Remove restrictions and risk from core system transformation

Secure, scalable, and sustainable

Mainframe Modernization to Microsoft Azure
Do you want to take your business from legacy to legendary?
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Self-funding mainframe modernization

Cloud migrations take time, and many organizations need to take incremental steps. In the gap between current situation and desired state, these businesses find themselves in limbo: eager to explore the functionality and benefits on offer but not ideally positioned to make the leap – yet.

Atos’s MIII solution is a self-funding mainframe modernization offering that reduces the “run the business” costs, allowing for the resultant savings to be invested in digital transformation and cloud initiatives for mainframe workloads.

Through Atos MIII, you can now boost the agility of your mainframe applications – without replacing them – while reducing risk, improving efficiency, and enabling cost and time savings.


Direct mainframe cost savings, year 1


Elimination of datacenter costs, year 1-2


Reduction in overall mainframe spend after transformation

Infinite increase in agility and speed

How Atos delivers self-funding modernization and accelerates cloud consumption:

Day 1

As-is 100% cost based

Run costs


Year 1

Assessment, planning and early transformation



Run costs

Year 2 and 3

Significant transformational activity



Run costs

Year 4+

Transform complete


Run costs


Reduction in overall mainframe spend made possible by increasing and sustainable operational savings and reduction of transformation investment over time

Benefit from smarter, risk-free, modernization

Atos, together with Microsoft, assists customers the world over to overcome modernization challenges, removing the restrictions – and risk – from core system transformation to realize multiple business benefits:

Address immediate
mainframe pain points

Acquire the agility and innovation
potential your business requires

Deliver improved customer experiences, data-driven decision making, and smarter, more efficient operations

Speed your path to Net Zero

Reduce running costs

Eliminate data center costs

Make your mainframe journey your own

Deliver business value quickly, while laying the foundation for new revenue streams and growth, with Atos MIII and Microsoft Azure, as we work with you to create a viable mainframe modernization strategy designed to suit your ambitions, timeframe, and budget.


Still working out the best way forward when it comes to cloud? No problem!

Atos can help you find the best path and move you forward faster by addressing your most immediate mainframe pain points upfront.

We also work towards reducing running costs – by up to 25% in many instances.


Eliminate data center costs, speed your path to Net Zero, and gain the agility and innovation potential your business needs with Atos Mainframe-as-a-Service.

Let Atos run, manage, and maintain your mainframe within our secure, optimized mainframe hub – freeing you up to focus on core activities.


Modernize your mainframe the smart, risk-free way with Atos MIII on Microsoft Azure.

We work with you to enable the best that cloud can offer, including improved customer experiences, data-driven decision making, and smarter, more efficient operations with cloud-native applications and emerging technologies.

The best partnership for modernization. And for your business.

Combining Atos MIII and Microsoft Azure will help you execute mainframe modernization at your own pace, reduce risk while enabling the agility and speed your business needs.

Atos and Microsoft are THE partnership to have on your journey:

  • Atos and Microsoft have been working together as partners for more than 20 years
  • Atos has been an Azure Expert MSP since 2019
  • Atos’s globally managed Center of Excellence is serviced by more than 30,000 Application Experts, 10,000 Data Center and Network Experts, and over 3,300 Cloud Experts
  • Atos has 16 Gold and 2 Silver Azure Competencies, with another 6 advanced specializations

Watch the video to see how Atos can modernize your applications

Contact us

Microsoft Business Group

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