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Revolutionizing Mainframe Delivery

Deliver mainframe change faster and
more cost effectively than ever

PopUp Mainframe – your own mainframe environment whenever you need it

Solving common mainframe issues:

Mainframe processing speeds are famously fast, but the time to delivery of mainframe systems is hampered by resource challenges, highly complex systems, and rigid, inflexible processes.

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Changing mainframe systems is subject to tight controls because the organizations that use them are highly regulated. Ensuring all mainframe change is undertaken without risk is imperative.

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While the cost per transaction is famously low for mainframe systems, the cost of change is worryingly high, often compounded by operational and organizational bottlenecks.

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Today’s digital business must move at the pace of the always-on consumer, yet many mainframe systems are unable to provide instantly available resources to support rapid deployment.

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IT has a huge part to play in helping meet sustainability targets, yet precious few organizations have looked at how to reduce emissions and resource usage with innovative solutions.

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Traditional tooling and limitations in available resources hamper mainframe organizations’ IT skills and training programs – making resourcing and delivery a difficult challenge.

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Your on-demand mainframe environment is here

Fast, cost-efficient, fully functional

PopUp Mainframe delivers mainframe change faster and more cost-effectively than ever, by providing mainframe delivery teams with an immediately available, fully functioning mainframe.

We revolutionize mainframe delivery by removing the most commonplace of challenges – delivery bottlenecks – and dramatically reduce the cost of change.

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  • Reduce the Cost of Critical System Change
  • Deliver Mainframe Change Faster Than Ever
  • Meet Changing Demands With Flexibility
  • Retain Control of Core Processes
  • Deliver on Green IT objectives
  • Resolve skills and resourcing challenges

Industry thoughts on PopUp Mainframe

“The PopUp Mainframe capability is another breakthrough technology that adds even greater value to the LinuxOne and IFL/KVM environments. As our clients continue to seek ways to maximise their IBM z investments, PopUp Mainframe stands out as a powerful tool—enabling them to accelerate mainframe innovation and drive measurable business value more efficiently than ever before”.
Paul Knight
Paul KnightTES Enterprise Solutions
“Hosting critical time- and availability-sensitive business functionality on the mainframe remains a vital part of IT in the enterprise and much of the public sector. But change management on the mainframe can be slow and inefficient, especially as business complexity and regulatory pressures increase. Innovative technologies such as PopUp Mainframe offer mainframe teams opportunities to accelerate the delivery velocity of their business-critical systems.”
Guy Currier
Guy CurrierFuturum Group
“The introduction of PopUp Mainframe’s tools on Linux on Z unlocks new possibilities for mainframe agility and workload testing. This strategic move enables organizations to harness Linux environments directly on the mainframe to allow for the deployment of modern DevOps processes while ensuring operational efficiency for mainframe teams.”
Steven Dickens
Steven DickensHyperFRAME Research
"PopUp Mainframe just seems so compelling - instant mainframe images, fully configured, for development"
Stephen Foskett
Stephen FoskettHost, Tech Field Day
"Such an important and extremely useful tool for the mainframer"
Geoffrey Decker
Geoffrey DeckerInstructor, Northern Illinois University and Co-Founder, Eli Madison Memorial Apprenticeship (EMMA)
"PopUp Mainframe offers an innovative solution to mainframe organizations looking to accelerate their deliveries."
Bill Vitiello
Bill VitielloCo-Founder at Direct Computer Resources (owner of DataVantage)
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Award-Winning Innovation

Blog

November 25, 2025

The Eye-Opening Value of Open Source on z/OS

At the recent GSUK conference, PopUp Mainframe presented a session on some of the most useful open-source tools
November 19, 2025

Automating the Heck Out of Every LPAR – with Ansible

In today’s enterprise IT landscape, automation and operational efficiency have become a fundamental strategic imperative. At the GSUK
November 13, 2025

Harnessing Your Horsepower

Here is a summary of the value PopUp Mainframe provides, as shared by CEO Gary Thornhill at our recent mainframe community presentations.