How much does legacy app modernization cost in Lisbon?

Project costs vary based on scope and complexity. Typical legacy app modernization projects range from $15,000 for MVPs to $250,000+ for enterprise platforms. Lisbon's business environment offers cost advantages compared to coastal tech hubs. We provide a free consultation with a detailed quote.

What is your legacy app modernization process?

Our proven process includes: Legacy System Audit → Modernization Strategy → First Module Rebuild → Progressive Migration. Each phase has clear deliverables and stakeholder reviews, so Lisbon businesses stay in control throughout the project.

What technologies do you use for legacy app modernization?

Our legacy app modernization stack includes Next.js, React, Node.js, TypeScript, Python, PostgreSQL. We choose technologies based on your project requirements, team capabilities, and long-term maintainability — not trends.

Do you work with startups in Lisbon?

Yes. We work with businesses of all sizes in Lisbon — from pre-seed startups building MVPs to enterprises modernizing legacy systems. Our flexible engagement models scale to match your budget and timeline.

How long does legacy app modernization take?

The first module is typically rebuilt and deployed in 6–10 weeks. Full modernization of a medium-complexity application takes 4–8 months. Large enterprise systems with dozens of modules can take 12–18 months. The incremental approach means you get value early and can adjust scope as you go.

How much does legacy app modernization cost?

First module rebuild: $25,000–$50,000. Full modernization of a medium application: $80,000–$200,000. Enterprise-scale modernization: $200,000–$500,000+. We scope based on the legacy audit and prioritize modules by business impact to maximize early ROI.

Legacy App Modernization Company in Lisbon, PT

Legacy App Modernization in Lisbon, PT

ZTABS delivers professional legacy app modernization for Lisbon businesses — including incremental modernization, business logic preservation, data migration. Serving Tourism Tech, FinTech, PropTech companies in Lisbon, PT.

Start Your Project View Our Work

ZTABS provides legacy app modernization services in Lisbon, PT — including incremental modernization, business logic preservation, data migration, and more. We work with Lisbon businesses across Tourism Tech, FinTech, PropTech using technologies like Next.js, React, Node.js.Get a free consultation →

Legacy App Modernization Capabilities for Lisbon

Our legacy app modernization team delivers a full range of capabilities tailored to Lisbon's Tourism Tech and FinTech sectors:

✓
Incremental Modernization
Modernize one module at a time — reducing risk, delivering value early, and keeping the business running throughout.
✓
Business Logic Preservation
We extract and document the business rules embedded in legacy code so nothing gets lost in the new system.
✓
Data Migration
Migrate from legacy databases (Access, FoxPro, SQL Server) to modern PostgreSQL or cloud-managed databases.
✓
API Layer Design
Build modern REST or GraphQL APIs that let the new system talk to legacy components during the transition period.
✓
Automated Testing
Create comprehensive test suites that verify the new system behaves identically to the old one for every critical workflow.
✓
Cloud Deployment
Deploy the modernized application on AWS, Azure, or Vercel with CI/CD pipelines, monitoring, and auto-scaling.

View all legacy app modernization capabilities →

Our Legacy App Modernization Process

1Legacy System Audit→2Modernization Strategy→3First Module Rebuild→4Progressive Migration→5Data Migration→6Decommission Legacy

Each phase includes clear deliverables and Lisbon stakeholder reviews. See our full process →

Tech Stack for Lisbon Legacy App Modernization Projects

Next.js React Node.js TypeScript Python PostgreSQL

See full technology details →

Why Lisbon Businesses Choose ZTABS for Legacy App Modernization

Lisbon (the Web Summit city and digital nomad hub, population 550,000) is home to thriving Tourism Tech, FinTech, PropTech sectors — each with distinctlegacy app modernization needs. Tourism companies need booking engines, experience platforms, and hospitality technology. Fintechs require payment and banking platforms for European markets. PropTech needs property management and short-term rental software. SaaS companies need scalable B2B platforms with competitive cost structures.

Lisbon has become a major European tech destination, hosting Web Summit and attracting digital nomads and remote teams. The city has developed strengths in tourism tech, fintech, proptech, and SaaS. Lower costs than northern European hubs and quality of life attract founders and talent. Portuguese startups are increasingly scaling internationally.

Significantly lower costs than London, Paris, or Berlin. Web Summit has put Lisbon on the global tech map. Quality of life and climate attract international talent. Portuguese government supports tech through tax incentives and startup programs. Growing ecosystem of accelerators and VC.

Legacy App Modernization for Lisbon's Key Industries

Each of Lisbon's core sectors has specific legacy app modernization requirements. We build solutions tailored to these industry needs:

Tourism Tech

Lisbon's tourism tech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for Tourism →

FinTech

Lisbon's fintech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for FinTech →

PropTech

Lisbon's proptech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for PropTech →

SaaS

Lisbon's saas companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

How We Work With Lisbon Businesses

Our distributed engineering team delivers the same quality and responsiveness as a local partner. Significantly lower costs than London, Paris, or Berlin. Web Summit has put Lisbon on the global tech map. Quality of life and climate attract international talent. Portuguese government supports tech through tax incentives and startup programs. Growing ecosystem of accelerators and VC.

Timezone-Aligned Availability

Our team schedules overlap with Lisbon's your local time business hours for real-time standups, reviews, and demos.

Dedicated Project Manager

A single point of contact who understands your business context and Lisbon's market.

Transparent Communication

Daily async updates, weekly video calls, and shared project boards keep you informed at every stage.

Built for Lisbon's Industries

We understand Lisbon's key sectors — Tourism Tech, FinTech, PropTech — and build solutions tailored to their requirements.

Frequently Asked Questions

Common questions about legacy app modernization in Lisbon

We offer end-to-end legacy app modernization for Lisbon businesses: incremental modernization, business logic preservation, data migration, api layer design. We use technologies like Next.js, React, Node.js to build solutions tailored to Lisbon's key industries — Tourism Tech, FinTech, PropTech.

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Legacy App Modernization

Learn more about our legacy app modernization services nationwide.

Next.js

Next.js transforms web applications into high-performance, SEO-friendly platforms that drive user engagement and boost conversion rates. Leverage its capabilities to streamline your development process and accelerate time-to-market, ensuring your business stays ahead of the competition.

React

Harness the power of React to accelerate your development process, enhance user experiences, and drive ROI. With its component-based architecture, React allows businesses to build dynamic applications that are both scalable and maintainable, ensuring long-term success in a competitive landscape.

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Legacy App Modernization Project?

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