REDUCE LEGACY RISK

Replace unsupported technology, undocumented code and fragile dependencies before they disrupt operations.

PROTECT OPERATIONS

Modernize critical components in controlled phases while keeping the systems your business relies on running.

BUILD FOR WHAT’S NEXT

Improve security, integrations and maintainability so your software can support future growth and AI adoption.

 
Discuss Your Legacy System
 

SIGNS YOUR LEGACY SOFTWARE NEEDS MODERNIZATION

 

Legacy software does not need to stop working before it becomes a problem. When it becomes difficult to secure, connect or change, it can restrict your organization even while continuing to run.

 
 

✖️ THE TECHNOLOGY IS NO LONGER SUPPORTED

Outdated frameworks, programming languages or infrastructure make the software increasingly difficult to secure, maintain and improve.

✖️ YOUR SYSTEMS NO LONGER WORK TOGETHER

The platform does not connect reliably with your ERP, reporting tools or newer applications, creating disconnected data and duplicate work.

✖️ YOUR OPERATIONS HAVE OUTGROWN THE SOFTWARE

Employees rely on spreadsheets, repetitive data entry and manual workarounds because the system no longer supports how the organization operates.

✖️ EVERY CHANGE CREATES NEW RISK

Even small updates take too long, cost too much or risk breaking other parts of the platform.

 

If these problems sound familiar, you may not need to replace everything at once. We can modernize your system in manageable stages.

 
Discuss Your Legacy System
 

What Legacy System Modernization Can Include

Every platform is different. We begin by documenting how your system works and identifying what creates the most risk. From there, we build a roadmap around your operations, budget and priorities.

 

✅ Upgrade legacy web and desktop applications

✅ Modernize software built with older .NET, VB6, Classic ASP, Java, PHP, C++ and Delphi

✅ Improve databases and reporting systems

✅ Connect ERP platforms and third-party applications

✅ Strengthen authentication and security

✅ Automate manual processes and workflows

✅ Update cloud and on-premise infrastructure

✅ Document unsupported code and critical business rules

Featured on

 
 
Ontario College of Teachers logo
 

Ontario College of Teachers

The Ontario College of Teachers regulates the teaching profession across the province. Its accreditation workflows relied on spreadsheets, manual tracking and fragmented email communication. ISU Corp modernized its Accreditation Information Management System into two integrated portals that centralize provider applications, course reviews, bilingual communications and reporting. Since 2023, ISU Corp has continued supporting the platform and advancing its modernization roadmap from legacy .NET Framework to a modern .NET and Angular architecture.

Read the Ontario College of Teachers case study

 
 
Labstat Certified Group logo
 

Labstat, Part of Certified Group

Labstat is a global analytical testing laboratory serving clients in more than 30 countries. Its operations relied on Excel spreadsheets and a legacy database, with information retrieval dependent on a few individuals who understood the old systems. ISU Corp replaced this fragmented environment with a custom LIMS covering sample tracking, chain of custody, audit trails, digital signatures and invoicing. The platform continues to support Labstat’s operations and has scaled with the business through acquisition and global expansion.

Read the Labstat software modernization case study

 
 
RWAM Insurance Administrators logo
 

RWAM Insurance Administrators

RWAM administers benefits and claims for plan members across Canada. Its team was printing and manually sorting approximately 2,000 claims every day. ISU Corp built an AI-powered claims automation platform that reduced processing time from three to five days to same-day processing while maintaining the organization’s compliance requirements.

 
“We hired ISU Corp to develop our Laboratory Management Information System (LIMS). They have been able to produce in 4 months what we could not do in almost two years. We are very pleased with ISU Corp’s performance, project management style and business culture.”
— Andrew Masters, VP Science & Systems Development, Labstat
 
 
 
Discuss Your Legacy System

Your Software Should Never Depend on One Person.

Many legacy systems become difficult to maintain because the knowledge behind them lives with one employee, developer or outside vendor. ISU Corp documents the architecture, integrations and business rules, then distributes that knowledge across a senior implementation team.

 

A Dedicated Software Team

  • A project manager and senior implementation team learn your platform and remain accountable for its progress.

Documented Knowledge

  • We document how the software works so critical knowledge stays accessible throughout modernization and beyond.

Continuity After Launch

  • After modernization, we can continue maintaining and improving the platform as your technology and business needs evolve.


More than 20 years of experience building, modernizing and supporting custom software across Canada and the US.

 

Legacy Software Modernization Resources

 

Software MODERNIZATION COMPANIES

Compare providers and learn what to look for in a long-term legacy software modernization partner.

SOFTWARE MAINTENANCE AND SUPPORT

If your existing platform still meets your needs, software maintenance and support may be more practical than immediate replacement.

SOFTWARE DEVELOPMENT SERVICES

Explore ISU Corp’s software development services for building, integrating, modernizing and supporting custom software.

 
DISCUSS YOUR LEGACY SYSTEM
 

Legacy Software Modernization FAQs

 

  • Legacy software modernization is the process of updating or replacing aging business software to make it easier to maintain, secure, integrate and scale.

    It can include upgrading frameworks and databases, refactoring code, adding APIs, moving infrastructure, redesigning workflows or rebuilding individual components while preserving important business rules and data.

  • Continued support may be the right choice when the software is stable, secure and still meets your organization’s needs.

    Modernization becomes more urgent when unsupported technology creates security or compliance risks, integrations repeatedly fail, changes become too expensive or manual workarounds interfere with operations. In many cases, the best approach combines ongoing support with phased modernization of the highest-risk components.

  • No. Many legacy systems can be modernized in phases. You may be able to retain the parts that still work while upgrading high-risk components, improving integrations or gradually moving functionality to a newer platform.

    After modernization, ISU Corp can continue maintaining and improving the system as your business and technology needs evolve.

  • In many cases, yes. A phased approach allows individual components to be upgraded, replaced or integrated while the existing platform continues supporting daily operations. The safest approach depends on the system’s architecture, dependencies and tolerance for downtime.

  • The cost depends on the size and condition of the system, the quality of its code and documentation, its integrations, security requirements and how much needs to change.

    Undocumented business logic, abandoned integrations and missing specifications can increase the scope because they must be understood before modernization begins. ISU Corp reviews the existing platform and business priorities before recommending an approach and project scope.

  • A well-understood application may take three to six months to modernize. A large or poorly documented core platform often requires multiple phases over 12 months or longer, while complex enterprise transformations can span several years.

    The timeline depends on the system’s complexity, integrations, documentation and how much must remain operational during the work.

  • ISU Corp works with legacy web and desktop applications built with technologies including older .NET frameworks, VB6, Classic ASP, Java, PHP, C++, Delphi and custom database platforms.

    Depending on the system, the right path may range from selective upgrades to phased replacement.

 
 
 

Ready to Modernize Your Legacy Software?

Speak with our Director of Software Implementations about what your system does, where it is creating risk and whether modernization is the right next step. It’s a practical, no-pressure conversation about your options.

 
DISCUSS YOUR LEGACY SYSTEM
 

*Best suited for established organizations that depend on custom or legacy software for their day-to-day operations.