High Maintenance Costs
Outdated technology demands expensive specialists and slower development cycles.
68–80% of IT budgets maintain legacy systems

Upgrade legacy software with our AI-driven legacy modernization services that speed up delivery, improve security, and reduce maintenance overhead. We modernize in phases so you keep shipping while the platform becomes easier to change.
Outdated technology demands expensive specialists and slower development cycles.
68–80% of IT budgets maintain legacy systems

Unsupported frameworks and unpatched vulnerabilities create security gaps.
Legacy systems are 3x more vulnerable to attacks

Monolithic architecture and brittle code make simple changes risky.
Development speed drops 55% with legacy systems

Fixed infrastructure capacity limits growth and new initiatives.
83% of companies say legacy systems limit growth

AI assisted scan maps tech debt, security risks, and dependencies, highlighting quick wins your team can validate fast.
Restructure for scalability by moving from monoliths to microservices or serverless where it fits your roadmap.
Migrate to AWS, Azure, or Google Cloud with phased cutovers designed for stability, speed, and minimal downtime.
Refresh interfaces to feel modern and intuitive, while preserving familiar workflows so teams adopt changes smoothly.
Upgrade frameworks, languages, and libraries to supported versions. This is a core part of legacy application modernization services.
Refactor critical modules to improve performance and maintainability without changing functionality, as part of our legacy app modernization services.
Build secure RESTful APIs and integrate third party services for reliable interoperability and smoother data exchange.
Provide post release monitoring, security patching, updates, and performance tuning to keep your platform healthy and current.
AI-Driven Legacy Modernization Solutions That Deliver Results
$35K
35-65% cost reduction
6 weeks
50% faster delivery
15-20%
Rehosting savings
Get a free 30-minute modernization assessment. We will analyze your architecture, identify quick wins, and outline a custom roadmap. No obligation. This is the fastest way to see if our legacy modernization service matches your priorities.
AI-Driven Capabilities
Our AI-driven legacy modernization services combine proven engineering discipline with practical AI. We start from business workflows first, then apply AI only where it reduces risk and manual effort. That is how we deliver legacy system modernization services that improve quality without adding unnecessary complexity.
We modernize web, mobile, and desktop applications, enterprise systems, SaaS platforms, IoT solutions, Big Data infrastructure, blockchain, and AI/ML applications across all industries.
Modernize front-end and back-end with legacy web app modernization development services.
Upgrade OS and architecture to improve stability, performance, and release safety across iOS and Android.
Refactor and modernize legacy desktop tools to boost maintainability, performance, and long-term supportability.
Modernize mission-critical platforms without disrupting operations, governance, or continuity.
Improve scalability, reliability, and release cadence as usage grows, while keeping uptime and performance predictable.
Modernize device data flows, processing pipelines, and monitoring to reduce noise and improve operational visibility.
Upgrade ELT and data processing for accuracy, throughput, and observability across modern storage and compute stacks.
Modernize integrations, security layers, and bottlenecks for stable transactions and safer upgrades.
About Our Legacy Modernization Company
We deliver projects 40–50% faster than traditional approaches, backed by 15+ years of experience, 120+ successful projects, and a 98% client satisfaction rate as a legacy application modernization company.
As a legacy software modernization company, we also work as a legacy web app modernization agency, focusing on phased execution and measurable outcomes. If you are comparing top-rated legacy code modernization services, look for teams that can explain risk controls, rollout strategy, and how success is measured.
Meet our amazing team

Real Outcomes
Fragmented systems, manual workflows, low real-time visibility, modernization without “big bang”.
Audit, AI-assisted automation, unified data view, AI-supported reporting, incremental refactoring, enablement.
35% lower operational overhead, 40% higher transparency, 2x faster insights, 12–18 month roadmap.
I value our cooperation with CGS. They created a solution that will make the work of our brokerage agents faster and more effective. I appreciate that they were able to create a product that 100% suits our needs.
I've worked with many development teams, both overseas and stateside, and I'm incredibly impressed with the CodeGeeks team. They're everything you want for with a development partner. They've built a team of A+ talent.”
Our goals are aligned. They want to see the app succeed. We are happy with CodeGeeks Solutions' work, which they've tested and validated with good results. The team communicates effectively through weekly meetings and the agile process. Their fairness and wide variety of skills stand out.”
CodeGeeks handle all aspects of the software development life cycle from design & coding, to testing, deployment, and operations & maintenance. The depth of knowledge along with the application of that knowledge of the team are very impressive.”
What You Get After Modernization
After modernization, you get a cloud-ready platform that handles 10x more traffic, reduces costs by 35–70%, and enables weekly deployments instead of quarterly releases. You also gain enterprise-grade security, 50–90% faster performance, modern APIs, mobile-responsive design, and 24/7 monitoring with continuous support.
Book a free consultation to learn how we can transform your systems into scalable, secure platforms that drive innovation instead of blocking it.
Hesitating which course to select for your company? Reach out, and we will help you navigate through the seas of the latest innovations and trends.

Oleg Tarasiuk
CEO & Strategist

Roman Labish
CTO

Roman Oshyyko
Design Director