Application Modernization Services

Our application modernization services use an agentic modernization platform to automatically assess, refactor, and validate enterprise legacy applications, delivering 50–70% faster modernization with full functional parity across complex systems.

Trusted partner of the world’s most forward-thinking teams.

Clair Global

60% Faster Delivery on Complex Legacy VB6 Modernization

Modernized: 8 legacy VB6 applications to .NET 8

Key Proof Points:

Delivered in 6 months versus typical multi-year programs

Full functional parity preserved across all applications

Zero production disruption throughout delivery

Parallel delivery enabled across the application portfolio

50% faster timelines compared to traditional service providers

Alaska Airlines

Security-Driven Modernization Completed in 2 Months

Modernized: Core maintenance operations application with over 20 years of embedded logic and unclean code

Key Proof Points:

Completed modernization in 2 months under active escalation risk

Passed critical security and audit requirements

Full functional parity preserved across logic and integrations

Modernized architecture enabled scalable, maintainable support

Follow-on engagement expanded toward portfolio-wide modernization of 400 applications

Turnkey Modernization

Turnkey Application Modernization Services

End-to-end application modernization services with full ownership and production accountability.

Assessment
Refactoring
Validation
Testing
Production Deployment
Our turnkey application modernization services cover the full modernization lifecycle, including assessment, refactoring, validation, testing, and production deployment. These services are designed for enterprise legacy applications that are undocumented, security-sensitive, and tightly integrated across complex system landscapes.
$0 Modernization
Assessment
End-to-End Delivery Ownership
Undocumented
Legacy Systems
Automated Refactoring
+ Validation
Parallel Testing +
Rollout
Security-Aligned Modernization
Integration-
Aware Delivery
Production-
Grade Outcomes

How Our Application
Modernization Services Work

Built on 15 years of hands-on experience inside mission-critical systems, now embedded into a platform-driven operating model.

No undocumented change risk
No production instability
No blind refactoring
Platform-Driven

Our Experience & Approach

For over 15 years, our teams have worked directly inside complex, mission-critical enterprise systems where failure was not an option. These were environments defined by undocumented code, fragile integrations, security exposure, and zero tolerance for downtime.

That experience fundamentally informs how our application modernization services operate today.

We've translated those hard-earned patterns into a repeatable operating model that prioritizes certainty, validation, and controlled change throughout modernization.

This operating model is accelerated by Legacyleap, the agentic modernization platform that embeds this experience directly into the workflow. Legacyleap automates the heavy lifting across assessment, refactoring, and validation, allowing modernization teams to move faster while maintaining control, traceability, and confidence in production outcomes.

1

Understand with certainty

Establish a reliable view of system behavior, dependencies, and risk without relying on documentation or tribal knowledge.

2

Change with guardrails

Refactor and re-architect while continuously validating behavior to preserve functional parity as changes are introduced.

3

Move without disruption

Plan integrations and releases with production constraints in mind, ensuring stability during rollout.

The result is application modernization that scales across teams and portfolios without increasing operational risk.

Choose Your First Step Into Modernization Clarity

Pick what suits your team: get export-ready docs from a free code scan, or walk through the platform with our CTO. Either way, you’ll get a clear picture of what Legacyleap can do for your legacy app

Free Codebase Scan
Platform Demo
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Spots are limited!

Claim a $0 Codebase Assessment

We’ll scan a portion of your legacy codebase and deliver export-ready documentation, architecture maps, dependency graphs, and system insights all in 3–5 days.

What You’ll Receive:
Functional & Technical documentation
Architecture diagrams
API references & integration maps
Risk & complexity heatmap
Full export of all generated assets
Ownership zones
Technical Demo

See Legacyleap in Action

Legacy modernization doesn’t have to take years of discovery and millions in risk. In this live demo, we’ll show you how Legacyleap autogenerates the artifacts, plans, and code transformations needed to compress months of manual work into days.

What You’ll Receive:
Real-time architecture visualization
SBOM generation
AI-powered code comprehension
Drift detection, and more