Legacy problems require modern solutions
Picture being partnered with a team who has migrated hundreds of apps from legacy to cloud-native with proven results. Strategic assessment, systematic refactoring, phased migration, all delivered by engineers who have solved this problem before.
If it ain’t broke, don’t fix it… right?
The data begs to differ. Legacy systems aren’t just slow, they’re actively eroding your competitive edge.
of IT budgets go toward maintaining existing systems rather than building new capabilities (McKinsey, 2022).
reduction in total cost of ownership (TCO) achieved with cloud-native architecture (IBM, 2022).
faster deployment frequency when adopting modern CI/CD pipelines (DORA, 2023).
lower maintenance costs on average for cloud-native applications, with benefits reaching up to 50% in some cases (IBM, 2022).
Modern, cloud-native architectures turn IT from a cost center into a growth driver — enabling speed, scalability, and innovation at scale.
Your modernization strategy must bridge the gap between legacy systems and cloud-native architectures integrating your existing investments with the agility of microservices, containers, and managed platforms.
When technology stops holding you back and starts powering what’s next, this is where true business transformation begins.
Go beyond lift and shift to modernization with purpose
Whether your goal is to rehost, replatform, refactor, or rebuild, our modernization approach is designed around three core outcomes: speed, sustainability, and strategic impact.
Through a structured discovery process, pattern-driven architecture, and our proprietary Migration Factory framework, we help organizations:
- Eliminate technical debt and streamline complex legacy environments
- Enhance agility through scalable, cloud-native designs
- Accelerate innovation while minimizing risk, downtime, and disruption
The results are resilience, velocity and long-term value.
Let's go deeper...
Application Portfolio Assessment
Discover and score your entire application stack to identify modernization priorities, technical fit, and business value.
Migration Buddy and Factory Execution
Orchestrate migrations through a structured, automation‑driven factory model for fast, low‑risk transitions.
App Replatforming & Containerization
Upgrade apps to cloud-native platforms (e.g. Kubernetes, ECS, GKE) to improve scalability, portability, and runtime efficiency.
App Refactoring & Rewriting
Break down monoliths into modular microservices using domain‑driven design and modern engineering patterns.
Data Migration & Transformation
Migrate structured and unstructured data with precision through automated pipelines and OLTP/analytical best practices. Our approach includes data validation, real‑time cutover testing, rollback safeguards, and schema optimization to ensure accuracy and continuity during transition.
Modernization Roadmapping & Advisory
Define clear business-aligned targets and value indicators for your modernization journey, supported by architectural runway creation.
Modernization is hard – but it doesn’t have to be hell
Why choose Ollion
Ollion makes the journey simple, sustainable, and impactful with teams that sweat the details and architects who challenge the status quo. We’re cloud-native at our core, experts at connecting legacy systems, SaaS solutions, and custom applications into cohesive, scalable ecosystems.
From monolith-to-microservice strategies to real-time refactors and zero-downtime cutovers, we’ve done it all – across regulated industries, global tech players, and fast-moving scaleups.
When you're ready to stop talking transformation and take action, talk to Ollion.
Interested in our services? Let’s connect!
You can take us at our word, but here's what our clients have to say.
Zywave Modernization
Discover how Zywave transformed a fragile, legacy application into a stable, scalable cloud-native solution. With Ollion’s help, the team evolved from managing outages to shipping new features daily—unlocking agility, savings, and long-term growth through DevOps enablement and AWS modernization.
Consumer Packaged Goods Company
The CPG company managed Day 1 operations but sought scalable configuration enforcement and automated compliance. Adapting AWS architecture addressed workload overlap and governance.