How much does legacy app modernization cost in Los Angeles?

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. As a Los Angeles-serving team, we keep rates competitive by operating as a lean, senior-only agency. 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 Los Angeles 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 Los Angeles?

Yes. We work with businesses of all sizes in Los Angeles — 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 Los Angeles, CA

Legacy App Modernization in Los Angeles, CA

ZTABS delivers professional legacy app modernization for Los Angeles businesses — including incremental modernization, business logic preservation, data migration. Serving Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR companies in Los Angeles, CA.

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Legacy App Modernization in Los Angeles, CA

ZTABS provides legacy app modernization services in Los Angeles, CA — including incremental modernization, business logic preservation, data migration, and more. We work with Los Angeles businesses across Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR using technologies like Next.js, React, Node.js.Get a free consultation →

Legacy App Modernization Capabilities for Los Angeles

Our legacy app modernization team delivers a full range of capabilities tailored to Los Angeles's Entertainment & Media and E-commerce & DTC Brands sectors:

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Incremental Modernization
Modernize one module at a time — reducing risk, delivering value early, and keeping the business running throughout.
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Business Logic Preservation
We extract and document the business rules embedded in legacy code so nothing gets lost in the new system.
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Data Migration
Migrate from legacy databases (Access, FoxPro, SQL Server) to modern PostgreSQL or cloud-managed databases.
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API Layer Design
Build modern REST or GraphQL APIs that let the new system talk to legacy components during the transition period.
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Automated Testing
Create comprehensive test suites that verify the new system behaves identically to the old one for every critical workflow.
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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 Los Angeles stakeholder reviews. See our full process →

Tech Stack for Los Angeles Legacy App Modernization Projects

Next.js React Node.js TypeScript Python PostgreSQL

See full technology details →

Why Los Angeles Businesses Choose ZTABS for Legacy App Modernization

Los Angeles (the entertainment capital and a thriving tech ecosystem, population 3.9 million) is home to thriving Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR sectors — each with distinctlegacy app modernization needs. LA businesses blend creativity with technology. Entertainment companies need streaming platforms and content management systems. DTC brands require headless e-commerce with stunning visual experiences. The city's creative culture means design and user experience are non-negotiable — businesses here demand software that looks as good as it performs.

LA's "Silicon Beach" has transformed the city into a major tech hub, home to companies like Snap, SpaceX, and Hulu. The intersection of entertainment and technology creates unique opportunities in streaming, gaming, AR/VR, and creator economy platforms. LA also has a booming e-commerce scene driven by its fashion and lifestyle brands.

World-class creative talent, proximity to Hollywood's content ecosystem, and a booming startup scene with $15B+ in annual VC funding. USC, UCLA, and CalTech provide a steady pipeline of engineering talent.

Legacy App Modernization for Los Angeles's Key Industries

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

Entertainment & Media

Los Angeles's entertainment & media companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

E-commerce & DTC Brands

Los Angeles's e-commerce & dtc brands companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Legacy App Modernization for E-commerce →

Gaming & AR/VR

Los Angeles's gaming & ar/vr companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

Aerospace & CleanTech

Los Angeles's aerospace & cleantech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.

How We Work With Los Angeles Businesses

Our distributed engineering team delivers the same quality and responsiveness as a local partner. World-class creative talent, proximity to Hollywood's content ecosystem, and a booming startup scene with $15B+ in annual VC funding. USC, UCLA, and CalTech provide a steady pipeline of engineering talent.

Timezone-Aligned Availability

Our team schedules overlap with Los Angeles's Pacific Time (PT) business hours for real-time standups, reviews, and demos.

Dedicated Project Manager

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

Transparent Communication

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

Built for Los Angeles's Industries

We understand Los Angeles's key sectors — Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR — and build solutions tailored to their requirements.

Frequently Asked Questions

Common questions about legacy app modernization in Los Angeles

We offer end-to-end legacy app modernization for Los Angeles 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 Los Angeles's key industries — Entertainment & Media, E-commerce & DTC Brands, Gaming & AR/VR.

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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?

Partner with ZTABS for expert legacy app modernization in Los Angeles. Get a free consultation today.