Transform your legacy systems into scalable, future ready platforms without the risk of "big-bang" rewrites or business disruption.
No risky rewrites.
No extended downtime.
Just strategic, sustainable transformation.
Legacy systems embody decades of business logic, institutional knowledge, and operational stability. They also accumulate technical debt that limits growth, slows innovation, and increases operational and security risk. The real challenge isn't whether to modernise it's how to do it while preserving the value these systems deliver every day.
At 200OK Solutions, we specialise in low risk, high impact digital transformation. Our phased modernisation approach enables progressive change unlocking value at every stage while maintaining business continuity.
Legacy systems create a familiar set of constraints that limit organisational agility
Technical debt that compounds with every workaround and patch
Integration barriers preventing adoption of modern tools and platforms
Scalability limitations that constrain growth
Skills gaps as expertise in legacy technologies becomes scarce
Security vulnerabilities in systems that cannot be easily updated
Compliance risks from outdated data handling and audit capabilities
We begin with a comprehensive analysis of your existing systems mapping dependencies, documenting critical business logic, identifying integration points, and assessing technical debt. This creates a clear, evidence based foundation for deciding what to modernise, what to replace, and what to retain.
Before touching code, we design the target architecture. This includes defining system boundaries, establishing integration patterns, and creating a modernisation roadmap aligned to business priorities. Our architecture led approach ensures every decision supports long term scalability and flexibility.
Modernisation is decomposed into manageable phases each delivering tangible business value. This incremental delivery model reduces risk, enables continuous feedback, and keeps operations stable throughout the transformation journey.
Where appropriate, legacy and modern systems run in parallel. This enables validation, comparison, and gradual migration without cliff edge risk or forced cutovers.
We document architectural decisions, implementation patterns, and operational processes throughout the engagement ensuring your internal teams can confidently maintain and extend the modernised platforms.
Cloud migration (AWS, Azure, GCP)
Containerisation (Docker, Kubernetes)
Microservices architecture
API-first and integration-driven design
Event-driven systems
Modern frontend and mobile frameworks
UK Financial Services
A UK-based financial services organisation needed to migrate a legacy Windows CRM application to modern mobile platforms. We delivered a native iOS and Android solution with offline-to-cloud synchronisation, real-time CRM integration, and advanced appointment management—preserving critical business logic while dramatically improving usability and accessibility for field teams.
Financial Services
We built a centralised intranet portal for an organisation in India, fostering employee collaboration, engagement, and information sharing. The solution integrates collaboration tools, task tracking, HR management, and dynamic content—creating a unified platform for organisational data and trends. Technologies: SharePoint Online, Outlook OWA.
Reduced operational costs through elimination of technical debt
Accelerated time-to-market for new features and capabilities
Improved system reliability and uptime
Enhanced security posture and compliance readiness
Increased agility to respond to market and customer changes
A modern technology stack that supports talent attraction and retention
Let's transform your legacy systems into platforms built for the future step by step.
Talk to our experts