
Legacy Application Modernization Services in Europe
Transform Outdated Systems into Faster, Smarter Business Operations
As a trusted legacy application modernization company in Europe, we at MTechZilla help startups and enterprises upgrade performance, re-architect core systems, migrate to the cloud, and modernize UI/UX, without disrupting your daily workflows. Our team of engineers works on revitalizing your legacy code, enhancing your technology stack, and integrating modern tools and frameworks so your business stays ahead of evolving needs.
We work with latest technologies
We Deliver Trust
We're a Team of Engineers Trusted by Startups and Businesses
30+
Projects Delivered
3%
Top Talent
5+
Years Experience
98%
Repeated Clients
Outperform Your Competitors
Our Legacy Application Modernization Services in Europe for Businesses
We keep things simple and transparent. Our team evaluates each system and explains clearly whether it needs re-coding, renewing, replacing, retiring, re-platforming, re-engineering, or re-architecting. You get full clarity on what will change and why, so you can make confident decisions. The aim is to cut unnecessary costs, free up resources, and turn outdated systems into reliable, future-ready applications.
Cloud Migration
We migrate your applications and data to secure cloud platforms like AWS and Azure with zero data loss and minimal downtime. Our team handles assessment, planning, and deployment, while keeping you informed at every step. The result is a smooth transition that boosts flexibility, scalability, and long-term cost efficiency.
Microservices Architecture
We break down your monolithic system into smaller, independent services that are easier to manage and scale. Our experts design, restructure, and guide you through how each service works and fits into your business. This approach improves performance, simplifies updates, and enables faster innovation without disrupting operations.
UI UX Redesign
We transform outdated interfaces into clean, modern, and user-friendly designs. Our process covers research, wireframing, and redesign to ensure better usability and faster task completion. The outcome is a fresh interface that increases engagement, reduces user frustration, and makes your applications more enjoyable to use.
API Integration
We securely connect your legacy systems with modern platforms through well-designed APIs. This improves system communication, enables new features, and integrates smoothly with tools your business depends on. We handle design, implementation, and testing to ensure reliable, long-term performance.
Security Audit and Enhancement
Legacy systems often carry hidden security risks. We conduct thorough audits to identify vulnerabilities and apply the latest security measures. You'll see exactly what risks were found, how they're addressed, and how your data stays protected and compliant with European regulations including GDPR.
AI Integration
Adding AI to legacy applications can automate tasks, deliver smarter insights, and improve user experience. We integrate AI into your existing workflows, customize it to your business needs, and show you the value it brings. Our team ensures AI enhances your operations without disrupting current systems.
Years of Excellence
Why MTechZilla is the Right Legacy Modernization Services Partner in Europe
We work in short sprints, each with clear goals and results. You'll always know what's happening and feel confident about the progress.

Choose what suits you best: hourly rates for flexibility, fixed pricing for clarity, or a dedicated team that works alongside you.

Our solutions align technology upgrades with your core business priorities. You get results without overspending on unnecessary features.

You'll always have visibility into progress, and after delivery we stay with you for ongoing support, updates, and future scaling.

Our Successful Legacy Application Modernization Portfolio
Project: Full-Stack EV Charging Platform for Swiss Startup
We partnered with Sintio, a Swiss EV charging company, to modernize and build their entire technology stack. We delivered a CPO management portal, public charging web app, native mobile apps, and marketing website. The platform integrates 20+ charger brands via OCPP protocol and now manages over 5000 charging stations across Switzerland.
5000+
Chargers onboarded
1M+
Charging sessions/month
20+
Charger brands integrated
8 weeks
MVP delivery

Step-by-Step Execution
Here's Our Approach to Legacy Application Modernization in Europe
Understand Your Existing System
We begin with an initial call to review your current system, identify what's outdated, note daily challenges, and document everything together.
Strategy and Planning
Next, we create a clear plan. It includes timelines, the technologies we'll use, and how we'll proceed step by step without disrupting your operations.
Design and Develop Solutions
Once the plan is approved, we start designing and developing the solution, making sure it aligns with your goals. Regular check-ins keep you updated.
Upgrade with the Right Tech Stack
Here, we modernize the system using the right technologies and solutions while keeping the core functionality that your business depends on.
Testing and Quality Checks
Before anything goes live, we run multiple tests and share demos with you. This ensures everything works smoothly, and meets expectations.
Launch and Ongoing Support
When everything is ready, we launch the updated system with you. After launch, we provide support, updates, maintenance, and scaling.

Industries we work in
Industries We Work With for Legacy App Modernization Services in Europe
Over the years, we've partnered with startups across Europe. We work with clients in specific industries we specialize in. Consistent support from our team has built long-term relationships with our clients and a strong portfolio because we ensure systems work exactly the way your teams and customers need.
Travel & Hospitality
We upgrade your booking, check-in, guest services, and loyalty systems. The goal is to give travelers a smoother, more connected digital journey.
Know MoreElectric Vehicles
We modernize your charging station management, fleet tracking, and IoT integrations so your EV infrastructure runs reliably and grows with demand.
Know MoreReal Estate
From property databases to client handling, we modernize your tools so searches are faster, workflows smoother, and experiences easier for both agents and clients.
Know MoreRenewable Energy
Your energy management systems are upgraded with real-time analytics, automated controls, and billing tools, helping you stay future-ready.
Know MoreEducation
We rebuild old systems into platforms with live classes, quizzes, progress tracking, and interactive features—designed for today's learning needs.
Know MoreInsurance
Your policy management, claims processing, and customer tools get restructured into faster, more efficient workflows that simplify daily operations.
Know MoreWhat Our Clients Say About Their Experience and Partnership With Us

They migrated our legacy application to new serverless infrastructure and deployment process. It has allowed us to rapidly improve our application development and delivery time.
John Moats
CTO of ReloShare

We have known MTechZilla for many years, and their technical expertise in modern web development, especially with cloud-based Node.js services. Sharvin and the MTechZilla team consistently deliver high-quality.
Philipp Bruhin
Head of Software Development at Sintio AG

Fast response, trustworthy, clean code, advanced knowledge and fair pricing are some of the best features. It's over a year that our company is outsourcing some of our development projects with MTechZilla and we are very satisfied.
Maysam Hafezparast
Co-Founder of KplayTeam

They are super responsive, fast, and just a great organization. I highly recommend them for projects, scaling your own development teams, or as your entire team. Thank you Sharvin and team!
Matt Singley
CEO of Pinnacle Furnished Suites
Frequently Asked Questions
What is Legacy Application Modernization?
Legacy Application Modernization is about upgrading your old systems so they work faster, safer, and more efficiently. It usually involves moving your applications and data to the cloud, rebuilding slow parts into faster microservices, updating the interface so it's modern and user-friendly, and adding secure APIs so everything connects seamlessly. By modernizing, you get a system that's easier to maintain, more secure, cost-effective, and ready to scale with your business, all without disrupting your day-to-day operations.
Why should your business consider Legacy Application Modernization?
If outdated software is slowing you down, modernization is the solution. It helps cut downtime, reduce high maintenance costs, and lets you release new features quickly. It also improves security and compliance, while giving your team and investors confidence that your technology can scale with your business goals.
How long does a Legacy Application Modernization project usually take?
The timeframe depends on your system's size and complexity. Some projects can be completed in weeks, while larger transformations may take a few months. We follow a sprint-based approach, so you see progress at every stage with clear updates on what's done and what's coming next. Throughout the process, we stay connected with you using communication channels like Slack and Google Meet, and we manage the work transparently through Jira sprints. Whenever you need to review reports, ask questions, or assign tasks, our team is always active and available to respond quickly.
Will Legacy Application Modernization affect your day-to-day operations?
We make sure your daily work isn't disturbed while upgrades happen. We migrate it carefully using proven tools and backups at every step. Most updates are carried out in parallel environments or during off-hours. Using strategies like feature flags and staged releases, we keep the process smooth so your team and customers hardly notice the transition.
What technologies are used in Legacy Application Modernization Services in Europe?
We work with leading technologies like AWS, Azure, and GCP for cloud platforms, modern UI/UX frameworks for better usability, microservices for flexibility, and secure APIs for integration. Depending on your business, we also use AI, containers, and automation tools to make systems more efficient and scalable.
Is modernization only for big enterprises or does it make sense for small businesses too?
It absolutely makes sense for small and mid-sized businesses. In fact, startups and growing companies benefit the most because they avoid scaling pains early. Modernization makes your systems flexible, so you don't face major roadblocks later.

