
Legacy Application Modernization Services That Scale Businesses
Don't let legacy systems hold you back. Start your application modernization journey with us.
years of experience with DACH clients
projects delivering quality
satisfied clients coming from various industries
years of experience with DACH clients
projects delivering quality
satisfied clients coming from various industries
Why Modernizing Legacy Applications Changes the Game?
- Disconnected legacy systems = No real-time data, limited automation, and poor scalability.
- Outdated manual processes = No remote access, slow operations, and no AI or predictive insights.
- Clunky UI and UX = Frustrated employees and customers, leading to inefficiency and lost revenue.
- Hidden technical debt = Rising maintenance costs, unstable systems, and security risks that grow every year.
Our legacy application modernization services solve these challenges with secure, scalable, and user-friendly solutions - so your business can move faster, innovate more, and deliver a modern customer experience.
From Legacy to Modern in 4 Agile Steps
Define the Modernization Vision
We start by assessing your legacy applications - identifying risks, technical debt, and modernization opportunities. Together, we define a clear vision for future-ready systems, prioritizing scalability, security, and a modern UI and UX design.
Your legacy systems are slowing you down. Modernize before your competitors outpace you.
Proven Results
Swiss Investment Fund Modernization
Collaborating with a Swiss investment fund, we developed a comprehensive platform that centralizes all their data in one place, significantly reduces reporting time, and delivers real-time insights through clear metrics and customizable reports. This not only streamlines day-to-day operations but also empowers decision-makers with faster, more accurate information at their fingertips.

Digital Supply Chain Transform Delivers 75% Revenue Growth
Global polymer leader faced operational challenges from inefficient, disconnected systems. Intertec modernized their digital infrastructure by building a centralized digital platform, including customer and supplier B2B portals, integrating real-time tracking, procurement automation, and financial management to drive efficiency and growth

How LabV Achieved 90% Faster Reports with Data Transformation
Facing challenges with disconnected data storage and project inefficiencies, LabV partnered with Intertec to develop a modern, centralized platform from the ground up. This solution unified data from diverse devices, eliminated silos, and enabled real-time analytics for faster, data-driven decisions.

Legacy Application Modernization Capabilities

Modernization Strategy & Consulting
We evaluate your legacy applications, uncover technical debt, and build a clear modernization strategy. From roadmap to execution, we ensure your systems align with business goals and future growth.

UI & UX Redesign Services
Outdated applications frustrate users. We revamp interfaces with modern UI and UX design, improving usability, accessibility, and customer satisfaction.

Architecture & System Transformation
From monolithic to microservices, we redesign your systems for scalability, resilience, and seamless integration with cloud and modern platforms.

Application Quality & Security
Through rigorous testing, automation, and enhanced security measures, we ensure modernized applications are stable, compliant, and future-proof.

End-to-End Modernization Delivery
Our team handles the full modernization journey - transforming legacy systems into agile, cloud-native applications that drive long-term innovation.
Book a Free Consultation
Trusted by leading businesses worldwide


Book a Free Consultation
Frequently Asked Questions
Legacy application modernization is the process of updating outdated applications, software systems, and infrastructure to modern technologies, architectures, and platforms. It's necessary because legacy apps often become security vulnerabilities, lack scalability, have high maintenance costs, and struggle to integrate with modern business tools. Organizations modernize to improve performance, enhance security, reduce operational costs, and enable digital transformation initiatives.
There are seven primary modernization strategies, commonly known as the "7 Rs": Replatform (making minimal changes while moving to a new platform), Rehost or "Lift and Shift" (moving applications to new infrastructure with no code changes), Refactor or "Rearchitect" (restructuring and optimizing code and architecture), Repurchase (replacing with commercial off-the-shelf solutions), Retire (decommissioning applications no longer needed), Retain (keeping certain applications as-is when modernization isn't justified), and Relocate (moving applications to different environments with minimal changes). The choice depends on factors like budget, timeline, business criticality, and technical complexity of the existing system.
Timeline and costs vary significantly based on application complexity, chosen modernization approach, and organizational requirements. Simple rehosting projects might take 3-6 months, while complete rebuilds can take 12-24 months or longer. Costs can range from tens of thousands to millions of dollars. However, organizations typically see ROI within 1-3 years through reduced maintenance costs, improved efficiency, and new business capabilities.
Key challenges include data migration complexity, maintaining business continuity during transition, integration with existing systems, skill gaps in modern technologies, and potential scope creep. Risks include system downtime, data loss, security vulnerabilities during transition, and user resistance to change. Successful projects mitigate these through thorough planning, phased approaches, comprehensive testing, and strong change management practices.
Look for providers with proven experience in your industry and technology stack, a track record of successful modernization projects, and relevant certifications. Evaluate their methodology, risk management approach, and post-modernization support offerings. Consider factors like cultural fit, communication style, geographic presence, and their ability to provide both technical expertise and business consulting. Request case studies, client references, and detailed project proposals before making a decision.