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Hexagon is reshaping industries through smarter systems, streamlined workflows, and bold digital innovation.
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Hexagon is reshaping industries through smarter systems, streamlined workflows, and bold digital innovation.
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Legacy System Modernization Services That Keep the Business Running
Hexagon modernizes aging applications, databases and integrations in phases, so you reduce risk, cut maintenance overhead and open the door to cloud, APIs and AI without stopping the operations that depend on them.
- Code and architecture assessment
- Phased, low-risk migration
- Data integrity checks at every step
Founded in 2007
U.S.-Led Discovery
Global Engineering
300+ Software Projects
Signs Your Legacy System Is Holding the Business Back
Most legacy systems still work. The problem is what they cost to keep running and what they stop you from doing next.
Rising Maintenance Effort
Small changes take weeks, fixes break other features, and only one or two people still understand the code.
Security and Support Risk
The framework, database or server is out of vendor support, leaving known vulnerabilities unpatched.
Integration Dead Ends
New CRM, eCommerce, payment or AI tools cannot connect without manual exports and re-keying.
Performance and Scale Limits
The system slows down as users and data grow, and it cannot move to the cloud as built.
Legacy Modernization Approaches
We recommend the lightest approach that solves the business problem, and often combine more than one across different parts of the system.
Rehost
Move the application to cloud infrastructure with minimal code change to reduce hosting and hardware risk quickly.
Replatform
Upgrade the runtime, framework or database to a supported version while keeping the core application intact.
Refactor
Restructure the code into maintainable modules or services without changing what users see.
API Enablement
Wrap legacy functions in secure APIs so new apps, portals and integrations can use them safely. See our API integration services.
Rebuild
Rewrite the application on a modern stack when the existing code cannot support the roadmap.
Replace
Move to a SaaS or packaged platform when it fits, and migrate the data and integrations around it.
How a Modernization Project Runs
Every phase has a working system at the end of it, so the business never depends on a single big-bang cutover.
Assess
Review code, architecture, data, integrations, users and risks, and document what the system really does.
Plan
Choose the approach for each component, set the phase order, and define rollback and data-validation rules.
Modernize in Phases
Deliver in increments that run alongside the legacy system so users never lose a working tool.
Migrate and Validate
Move and reconcile data, test integrations and performance, and confirm results with your team.
Cut Over and Support
Switch traffic, monitor closely, retire the old system and keep improving after launch.
What We Modernize
Hexagon has modernized and integrated business systems since 2007, across custom applications, databases and the integrations between them.
Business Applications
Aging web and line-of-business applications built on older .NET, Classic ASP, PHP or Java versions.
Desktop and Database Tools
Desktop applications, Microsoft Access databases and spreadsheet-driven processes that have outgrown their design.
On-Premise Infrastructure
Applications tied to in-house servers that need a secure, monitored move to cloud hosting.
Point-to-Point Integrations
File drops and fragile custom connections replaced with documented, monitored APIs through our system integration services.
Recognized for Technology Innovation and Delivery Excellence
Hexagon IT Solutions has earned positive client ratings and recognition from independent technology and business publications for custom software development, digital transformation, innovation, and technology delivery. See all press and awards.
4.9/5 Client Rating
DesignRush
Best Digital Transformation Consultancy
Corporate Vision · 2025 Winner
Innovation Excellence Awards
CIO Bulletin · 2024
Recognized in 2026 Technology Rankings
Software Development & IT Services
Founded in 2007, Hexagon combines U.S.-led discovery with global engineering and delivery capabilities to help organizations modernize operations through custom technology solutions.
Frequently Asked Questions
Legacy system modernization updates aging software, databases and integrations so they are secure, supportable and able to connect with modern tools, while preserving the business rules they already contain.
No. Many systems are best served by rehosting, replatforming, refactoring or adding APIs. Hexagon recommends a rebuild only when the current code cannot support where the business is going.
Modernization is delivered in phases that run alongside the legacy system, with data validation, rollback plans and a controlled cutover, so your team keeps a working tool throughout.
Yes. The assessment reviews the code, database, integrations and user workflows to document how the system actually behaves before anything is changed.
Cost depends on system size, data volume, integrations, compliance needs and the approach chosen. Every project starts with a free 30-minute review, and you receive an estimated, phased plan before you commit.
A focused upgrade or API layer may take several weeks, while a full replatform or rebuild is delivered in phases over several months. The phase plan is agreed before work starts.
Reviewed by Daks J.
Founder & CEO, Hexagon IT Solutions
Daks leads business discovery and solution planning for CRM, custom software, integrations, automation, and digital-transformation projects.
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Share your current systems, workflow problem, desired outcome, users, integrations, and timeline. Hexagon will review the requirement and recommend the most appropriate next step.
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300+
Software projects delivered
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Enterprise apps built
150+
delivery team members
10+
countries served
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