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Fit check
Is Application Modernization right for you?
An honest view. If another model suits you better, we will tell you on the first call.
A good fit when
You know the outcome you want and need a team to own it
You want a clear scope, milestones and visible progress
You prefer one accountable partner over many contractors
You want something working in weeks, then to iterate
Think twice when
Requirements will change daily with no owner
You already run a full in-house delivery team
You only need one extra engineer
There is no decision maker to approve each demo
About Application Modernization
How Application Modernization works in practice
Application modernization updates aging software so it is cheaper to run, safer and easier to change. This page compares the main routes, namely re-host, re-platform, refactor, rebuild and replace, explains how to migrate in stages without stopping the business, and describes the risks that derail projects, for IT leaders responsible for legacy estates.
Pick the route by the problem, not the trend
Re-hosting moves the application to cloud servers largely unchanged, which buys infrastructure flexibility but not agility. Re-platforming swaps components, for example a managed database or containers, with modest code change. Refactoring restructures code to remove bottlenecks. Rebuilding rewrites it. Replacing buys a package. Each answers a different problem: cost, speed of change, security or capability. No route is universally best.
Start with why. If the pain is an unsupported runtime or a data center exit, re-hosting may be enough. If the pain is that every change breaks something, you need tests and refactoring. If the business has moved on, replacement may be cheapest. We assess code, data and dependencies before recommending, and often combine routes by application. The combination is usually decided application by application, not for the whole estate.
Migrating in stages without a big bang
Big-bang cutovers fail because nobody can test everything at once. The strangler pattern is safer: place a routing layer in front of the old system, build new capabilities beside it, and move traffic piece by piece. Each step is small, reversible and measurable, and the old and new systems run side by side until confidence is high. Teams often discover that the old system's quirks reflect real customer needs.
Data is usually the hard part. Plan schema mapping, a cleansing step, repeated trial migrations and reconciliation reports that business users can check. Keep rollback paths. Add characterisation tests around the legacy behavior before touching it, because the existing code often encodes rules that nobody remembers. AI tools help read and document unfamiliar code, with engineers verifying the results. Early documentation of discovered rules saves rework later.
Risks, costs and how to contain them
The usual traps are underestimating hidden integrations, losing undocumented business rules, freezing feature work for too long and rewriting everything out of frustration. Counter them with a dependency map early, interviews with long-serving users, a continuing trickle of business features during the migration, and a firm rule that every phase must deliver something usable. Honest triage saves more money than any clever technology choice.
Cost control comes from sequencing. Move the applications with the highest run cost or risk first, retire what nobody uses, and resist modernizing stable systems that are cheap to keep. We provide phased estimates with assumptions, hold weekly demos, assign full IP to you and sign NDAs on request. Success measures such as reduced hosting cost, shorter release cycles and fewer incidents are agreed up front.
What is included
What you get from the first week
Portfolio assessment
Inventory and scoring of applications by business value, technical health, risk and run cost, producing a sequenced modernization roadmap for decision makers.
Cloud re-hosting and re-platforming
Move workloads to AWS, Azure or Google Cloud, adopting managed databases, containers and infrastructure as code where they deliver clear value.
Refactoring and rewrite
Restructuring or rebuilding code into maintainable modules, protected by automated tests that capture the behavior the business relies on.
Strangler-pattern migration
Incremental replacement behind a routing layer, so traffic moves piece by piece and rollback remains possible at every step.
Data migration and reconciliation
Schema mapping, cleansing, trial loads and reconciliation reports that give business owners evidence the migrated data is complete and correct.
API enablement of legacy systems
Wrapping stable legacy functions with modern APIs so new products can use them while deeper changes happen gradually and safely behind the scenes.
How it runs
A typical engagement, step by step
Pick a stage to see what happens. Timings are typical, not promises.
Week 1
Discover
Goals, users, risks and success measures agreed in workshops, ending in a written scope.
Weeks 2-3
Design
Flows, interface and architecture validated with you before heavy engineering starts.
Sprints
Build in two-week cycles
A working demo, tests and a release you can click through at the end of each sprint.
Launch
Secure release
Deployment, monitoring, handover documentation and a short warranty period.
After launch
Evolve
Support, new features and optimization as real users arrive.
Compare models
How it differs from the other ways to work with us
Dedicated Development Team
Staff Augmentation
Fixed-Scope Projects
Managed Services
Best for
Long-term products & roadmaps
Filling skill gaps fast
MVPs & well-defined builds
Ongoing support & operations
What you get
A full, cross-functional squad (engineers, QA, designer, PM) working only on your product, managed with your processes and tools.
Pre-vetted senior engineers who join your in-house team within days to add capacity or specialist expertise.
A clear scope, timeline and price, delivered in milestones with demos at every stage.
We run and continuously improve your applications, cloud and infrastructure under defined SLAs.
Commercials
Direct access to every team member
Replacement guarantee
Warranty period after launch
Predictable monthly pricing
Outcomes
What you can expect
Lower run and risk costs
Retiring unsupported platforms and unused systems reduces license, hosting and security exposure that grows quietly every year.
Faster change
Tested, modular code and automated deployment turn changes that took weeks of caution into routine work.
Migration without disruption
Staged cutovers and parallel running protect daily operations, with a rollback path available throughout the whole project.
Working rhythm
How you stay in control
Daily stand-up
Short check-in that overlaps with your hours.
Weekly demo
Working software, not slides, every week.
Monthly review
Progress, risks, budget and the next month plan.
Shared board
One backlog and repository you can open anytime.
FAQ
Application Modernization FAQs
Straight answers on cost, timelines, IP ownership, team setup and how we work. Cannot find yours? Ask a solutions architect directly.
What is the difference between re-hosting, re-platforming and refactoring?
Re-hosting moves an application to new infrastructure with almost no change. Re-platforming swaps some components, such as the database, for managed equivalents. Refactoring changes the code structure itself. The deeper the change, the greater the benefit in agility and the greater the effort and risk.
Should we rewrite our legacy application from scratch?
Rarely as a single project. Rewrites take longer than expected and lose hidden business rules. A staged approach, putting tests around existing behavior and replacing modules one at a time, usually delivers value sooner and with less risk.
How do you modernize without stopping the business?
By using the strangler pattern: new components run beside the old system while traffic moves gradually, with each step reversible. We run parallel systems, reconcile data, and keep delivering small business features throughout so the project does not freeze the roadmap.
How long does application modernization take?
It varies widely with size, documentation and dependencies, from weeks for a re-host to many months or more for a staged rebuild. We provide phased estimates with explicit assumptions and revisit them as discovery work reveals real complexity.
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