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Legacy Software Modernization Services

Modernize legacy software into cloud-native, AI-driven platforms for 3x faster time-to-market and up to 50% cost savings.

100% Success Rate | Security-First Approach
BBB Accredited Business with A Plus Rating
Connecti Tech Awards
MBE Certified
Best Software Development Company
Best Place to Work in Connecticut
America Fastest Growing Private Company

Sound Familiar? Your Legacy Apps Are Slowing You Down.

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Our outdated applications are holding us back.

With a partner guiding your Legacy App Modernization strategy, you’ll get modern, scalable, cloud-ready solutions that streamline processes, reduce downtime, and boost business efficiency.

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We need faster, expert support from people who understand our systems.

Move your legacy IT worries to the background with proactive monitoring, preventative maintenance, and quick response from our experienced modernization team.

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Our current systems are costly and unpredictable.

With NSI, you gain clarity and control. One predictable monthly fee covers complete modernization services, ongoing support, and seamless upgrades — all on-site or remote.

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Our internal team is stretched thin.

A co-managed modernization plan relieves pressure, helps complete critical migration projects, and trains your staff on modern tools and frameworks.

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Cybersecurity concerns are growing as our systems age.

We provide holistic security solutions, including up-to-date network defenses, automated backups, 24/7 monitoring, and staff trained in cyber awareness — keeping your modernized apps safe.

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We need better integration with our existing software stack.

Our experts provide seamless migration and integration, ensuring your modernized applications work flawlessly with Microsoft 365, ERP, CRM, and other enterprise tools.

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We can’t hire or scale fast enough in-house.

Our outsourced modernization services offer skilled professionals, strategic guidance, and scalable solutions to grow alongside your business.

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Legacy systems slow down productivity and frustrate employees.

Modernized infrastructure eliminates bottlenecks, allowing your teams to focus on innovation and core business goals.

Our legacy app modernization experts are here to help with challenges like these.

For over 18 years, we’ve been helping organizations like yours reduce downtime, enhance security, and eliminate unnecessary costs — all while modernizing legacy systems for the future.

 

A fast, free discovery call will reveal how your legacy apps can start working for you today.

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Legacy Software Modernization Services We Offer

We transform legacy systems into secure, scalable, high-performing applications that align with your business goals. With our legacy application modernization solutions, our experts reduce technical debt, improve operational efficiency, and enable faster time to market—all while keeping your core business uninterrupted.

Advanced Expertise We Have In Legacy App Modernization

Our advanced legacy app modernization expertise helps enterprises transform complex, outdated systems into agile, scalable, and future-ready platforms. With our legacy software development services, we enhance performance, reduce costs, and empower faster, data-driven business decisions.

Server to Serverless

As a leading legacy software development services provider, we help enterprises adopt serverless infrastructure to manage and store databases without relying on costly, large servers. This approach reduces infrastructure costs, eliminates idle resource waste, and drives operational efficiency at scale.

On-Premise to Cloud

We transform rigid on-premise systems into flexible, resilient cloud environments. Our legacy app development solutions ensure high availability, faster access, and reduced operational costs, enabling your business to scale quickly and respond to evolving market demands.

Monolithic to Microservices

With our legacy app development services, we break down legacy monolithic software into agile, service-based architectures. This modernization increases deployment speed, improves scalability, and aligns applications with DevOps pipelines for continuous delivery and faster innovation.

Static to Dynamic Infrastructure

We move enterprises from outdated static infrastructure to dynamic, automated environments using Infrastructure-as-Code (IaC), orchestration, and advanced automation tools. Digital transformation of legacy systems' services improves responsiveness, scalability, and reliability.

Legacy to Modern Frameworks

We refactor or rebuild applications using modern frameworks and programming languages. With our legacy app modenrization services, we ensure enhanced performance, security, and integration readiness and keep your systems relevant, competitive, and future-ready.

Data Silos to Integrated Teams

We unify fragmented databases and disconnected systems into centralized, integrated platforms. This enables seamless data sharing and real-time analytics and empowers teams to make faster, data-driven decisions that drive business growth.

Agile, Proven Modernization Strategies We Follow

At VLink, we follow a proven approach to legacy application modernization. Our methodology ensures that your systems deliver tangible business value, operational efficiency, and scalability.

We follow an application rehosting strategy to quickly move legacy applications to modern cloud platforms, using minimal code changes. Our experts carefully analyze your existing infrastructure, plan the migration in phases, and implement cloud deployment with zero downtime.

 

Business Benefit:

 

  • Achieve improved scalability
  • Reduced infrastructure costs
  • Uninterrupted operations

 

This strategy keeps your business running smoothly while modernizing.

We re-engineer core systems from the ground up, preserving critical business logic while introducing modern architecture. Our team evaluates your legacy software, identifies bottlenecks, and rebuilds key modules using the latest technologies and best practices.

 

Business Benefit:

 

  • Gain high-performance
  • Next-gen applications
  • Reduce technical debt
  • Enhance reliability

As part of top legacy app modernization services, we migrate applications into modern platforms with minimal changes to the existing architecture. We upgrade platform components strategically, optimize workflows, and ensure seamless compatibility with your current systems.

 

Business Benefit:

 

  • Enhanced operational efficiency
  • Better user experience
  • Smooth integration into your digital transformation roadmap

We transform monolithic or outdated architectures into agile, cloud-native, or microservices-based systems. We enable flexibility, easier scaling, and faster deployment cycles by breaking down large, rigid systems into modular components.

 

Business Benefit:

 

  • Greater operational agility
  • Higher reliability
  • Scalable applications

This strategy retires obsolete software and deploys purpose-built modern solutions. Our team evaluates business-critical processes, selects or builds modern applications, and ensures smooth data and workflow migration.

 

Business Benefit:

 

  • Lower maintenance costs
  • Reduced technical debt
  • Competitive edge with modern
  • Efficient software
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Your Trusted Team for Modernizing Legacy Systems

18+ years of experience in the industry

15+ global compliance standards

300+ secure and high-performance developments

5+ years of average client relationship tenure

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Our Client Success Stories

See how VLink has transformed legacy systems into secure, scalable, high-performing platforms. Our success stories demonstrate measurable ROI, enhanced efficiency, and industry modernization wins.

Video e-Commerce Web Portal

We engineered a first-of-its-kind video shopping platform that blended real-time streaming with a seamless e-commerce experience.

  • 45%boost in user engagement time
  • 38%faster product discovery and checkout
Read Case Study
Web Portal
Healthcare
Wellness
Analytics Dashboard
EdTech

Our Trusted Brands

ConnectiCare Logo
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Eicher and Volvo Logo
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Baysta Health Logo
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What Our Clients Say

Hear directly from our clients about their experience with VLink. Our legacy app modernization services consistently deliver impactful business results.

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Rick Brady

Client Partner- State of CT; Head of US Health & Human Services (HHS)- Infosys Public Services

VLink consistently goes the extra mile to present only top-quality candidates. It saves me time and ...

Milena Erwin

Milena Erwin

Executive Director of the CT. Technology Council

VLink delivered everything on time with excellent, responsive communication. Their efforts led to a ...

Industries We Serve with Legacy App Modernization Services

At VLink, we understand that no two industries face the same challenges regarding outdated systems. That’s why our legacy application modernization services are designed to align with the unique needs of 25+ industries. 

FinTech & Banking

Reimagine financial services with future-ready systems. Our legacy software modernization services update outdated core banking, insurance, and capital market applications to strengthen security, ensure compliance, and deliver seamless digital experiences across channels.

 

  • Core banking system modernization
  • Financial services application upgrades
  • Legacy modernization for insurance providers
  • Digital transformation for capital markets
  • Banking software re-engineering

Our Streamlined Process for Effective Software Modernization

At VLink, we follow a structured and industry-proven approach to modernize legacy systems, ensuring minimal disruption and maximum business value:

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Detailed Tech Evaluation

We assess your existing applications, architecture, and infrastructure to identify modernization opportunities, risks, and the most suitable technology stack for your business.

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Negligible Disruption Migration

Our migration strategy ensures a seamless transition from legacy to modern systems with minimal downtime, safeguarding ongoing operations and user experience.

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Focused Cloud & Mobility

We enable cloud adoption and mobile-first solutions to increase scalability, flexibility, and accessibility while supporting remote operations and omnichannel strategies.

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Open Standards & Interoperability

Our modernization solutions follow open standards, ensuring seamless integration with existing and future systems, eliminating vendor lock-in, and enabling long-term scalability.

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Why Choose Us - Your Trusted Partner for Legacy App Modernization Services?

At VLink, we are your trusted partner for Legacy App Modernization Services. Our AI-driven tools, modern CI/CD pipelines, and end-to-end support ensure seamless migration, improved performance, and long-term business value.
 

Here are a few reasons to choose us for legacy app modernization solutions:

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Proven Expertise

With years of experience across 25+ industries, we specialize in transforming legacy systems into modern, scalable, and secure applications tailored to your business needs.

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Fast & Seamless Modernization

Our structured approach ensures minimal disruption, smooth migration, and accelerated time-to-value for your critical business applications.

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Compliance & Security First

We prioritize regulatory compliance, data privacy, and robust security measures to protect your business and customer information.

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End-to-End Support

We provide end-to-end modernization services that ensure long-term success from assessment and strategy to implementation and ongoing maintenance.

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100% Success Rate

Our engineers have consistently delivered successful modernization projects across industries.

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AI-Driven Code Intelligence Transition

Leverage AI to refactor, analyze, and optimize legacy code while migrating to modern tech stacks.

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No Vendor Lock-In

Our modernization ensures flexibility and independence from proprietary platforms.

Our Tech Stack Expertise in Legacy Software Modernization

We harness the latest technologies, proven tools, and modern development methodologies to upgrade your legacy systems. It unlocks efficiency, scalability, and long-term business value.

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Java

C#

C#

Python Programming Language

Python

Java Script

JavaScript

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TypeScript

Cost of Legacy App Modernization Services

The cost of legacy app modernization depends on the complexity of your existing systems, the number of applications, industry-specific requirements, and the chosen modernization approach. As a leading legacy app modernization company, we offer flexible and transparent pricing to deliver maximum ROI while ensuring next-gen solutions.

 

Here are the average Costs by Modernization Type:

 

  • Rehosting (“Lift and Shift”) – $15,000 to $50,000 per application

 

  • Replatforming (Cloud Optimization) – $30,000 to $100,000 per application

 

  • Application Re-engineering / Refactoring – $50,000 to $200,000 per application

 

  • Complete Re-architecture / Digital Transformation – $100,000 to $500,000+, depending on scale and integrations.
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    FAQs–

    VLink helps businesses transform outdated systems into modern, scalable, secure applications. Here are the benefits of our legacy app modernization services:

     

    • Reduced operational costs
    • Faster performance
    • Seamless cloud adoption
    • Improved customer experience
    • Flexibility to scale

     

    Your business grows—all backed by our proven expertise across 25+ industries.

    You may need modernization if:

     

    • Your app is slow, expensive to maintain, or lacks security.
    • Integration with new tools or cloud systems is complex.
    • User experience is outdated, leading to low engagement.
    • Frequent downtime impacts productivity.

     

    Please contact our experts for legacy app modernization services if you find any signs. We ensure you move from limitations to innovation with minimal risk.

    Modernization is essential to keep your business competitive. Legacy apps often drain resources, limit scalability, and pose security risks. By modernizing, you gain efficiency, reduce costs, strengthen security, and unlock the potential for new digital opportunities.

    Getting started is simple with VLink. We begin with a free consultation, assess your current applications, identify gaps, and recommend the best-fit modernization strategy. Our team then creates a step-by-step roadmap to ensure a smooth, cost-effective transition.

    The timeline depends on the project scope and complexity. Small-scale rehosting may take a few weeks, while full-scale re-architecting could span several months. As a leading legacy app development services provider, we give clear timelines upfront and ensure efficient delivery without compromising quality.

    Yes. VLink uses a phased modernization approach to ensure business continuity. We migrate and update systems in stages, so your operations continue running smoothly with minimal or no downtime.

    Look for a partner with proven expertise, industry experience, flexible engagement models, and a track record of successful projects. VLink stands out with certified experts, 25+ industry solutions, cloud-native expertise, and risk-free trials. It makes us a trusted choice for legacy app modernization services.