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Legacy cost calculator

Every month that passes, your legacy system costs more to keep alive.

Find out how much you are spending to prop up a system that no longer keeps pace with your business — maintenance, lost productivity and missed opportunities, in a single number.

62%

of companies still run on legacy systems

Most of them have no idea what it is really costing.

The cost of your legacy system is not only on the maintenance invoice. It is in the hours your team burns on workarounds, in the initiatives that never leave the slide deck because the system can't support them, and in a security risk that keeps growing while nobody can put a number on it.

The data is clear: maintaining a legacy system gets 10 to 15% more expensive every year. Within two to three years, the cost of not modernizing overtakes the cost of modernizing.

Use the calculator below to see the real number for your case.

Interactive calculator

How much is your legacy system costing you today?

Fill in the 9 fields below with your company's real numbers. The result is your annual cost in maintenance, lost productivity and missed opportunity.

Estimate the annual cost

The default values reflect a realistic market scenario — adjust them to your own.

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Section 1 of 3

Direct maintenance cost

Everything you pay today just to keep the legacy system running.

That number never stops growing.

Every year without modernization adds another layer of cost. And not only a financial one.

  • Maintenance that only gets pricier

    IT budget spent keeping what already exists alive. What's left for innovation shrinks every year.

  • Security with no updates

    Systems with no patches and no vendor support. A single breach can cost millions in fines, compromised data and a ruined reputation.

  • AI and automation blocked

    Data locked in silos, with no modern APIs. Every artificial intelligence initiative hits the same wall: the foundation can't support it.

  • The knowledge is walking out the door

    The people who know how to run your system are retiring. Fewer than 2,000 new developers specialized in legacy languages enter the market worldwide each year. When one of them leaves, the risk leaves with them.

Results in production

Companies that modernized stopped paying for the past.

Modernization is not a cost. It is the end of a cost you already pay — one that grows every month.

  • Maintenance cost drops

    Companies that modernized report a 30 to 40% reduction in IT operating costs within the first year. The budget that propped up the legacy system starts funding innovation instead.

  • The team finally starts building

    Developers who spent 42% of the week on workarounds and legacy fixes start shipping real features. The same team delivers more.

  • New technologies become possible

    With a modern architecture, AI, automation and third-party API integrations stop being impossible projects and become natural next steps.

The Devmania method

From legacy to modern, without pausing your operations.

A phased, auditable process — from the first assessment to production delivery.

  1. Assessment

    We map your systems, dependencies and risks, and deliver a full report before any proposal.

  2. Roadmap

    We define the target architecture, the migration phases and the risk plan. You know exactly what will happen and in what order.

  3. Development

    Specialized teams work in parallel, with incremental deliveries and validation at every sprint.

  4. Review

    Two independent review stages before every delivery. Robust, documented, production-ready code.

  5. Maintenance and scale

    The system evolves alongside the business, with continuous support and new deliveries whenever needed.

15 years of real projects

We build systems that stay in production, not in presentations.

We work with complex systems across many industries. What we bring is a method proven in production.

  • Fixed scope before we start

    User journey, business rules, flows and acceptance criteria defined before the first line of code. The project has a beginning, a middle and an end.

  • Architecture built for your stage

    Every project starts with the right structure for your situation and growth. Modular, scalable and documented.

  • Phased migration, operation preserved

    We modernize module by module. Your business keeps running while the transition happens.

  • Review before any deploy

    No code reaches production without review. Separate environments and a controlled pipeline in every sprint.

  • ROI estimate before the proposal

    You get the savings projection before any commitment. The decision is yours, with the numbers in hand.

Industries we serve

Where modernization is most urgent.

Industries with the most critical and outdated systems, where the cost of standing still is highest.

  • Finance & Banking

    Core banking with no support for open banking APIs or real-time transactions.

  • Healthcare

    Legacy medical records, impossible integrations and ever-tightening regulatory compliance.

  • Manufacturing

    Decades-old ERPs that can't talk to IoT and block the path to Industry 4.0.

  • Government & Associations

    Decades-old systems, compliance exposure and runaway maintenance costs.

  • Retail & E-commerce

    Platforms that don't scale and don't integrate with marketplaces or new channels.

  • Insurance & Pensions

    Old proprietary ERPs, manual processes and no way to digitize customer service.

  • Logistics & Supply Chain

    Tracking systems that don't talk to each other and can't support modern automation.

  • Telecom & Utilities

    Legacy infrastructure that drives OPEX up and blocks new service models.

You've done the math. Now it's time to do something about it.

Our team reviews your situation and comes back with what actually makes sense for your case.

Talk to a specialist →

No strings attached · Response within 24 business hours.

Next step

Talk to a specialist

Tell us about your system. We'll review it and get back to you with a real analysis of what makes sense for your situation.

  • Confidentiality guaranteed. Your data stays with us.
  • Response within 24 business hours.
  • No obligation to move forward.
  • Estimated ROI before any proposal.

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