Services · Legacy modernisation
Modernise the platform. Keep the business running.
- 22 years
- of ColdFusion and legacy experience in systems most agencies will not touch
- A few months
- to largely modernise a focused application, with value shipping every sprint
- Zero downtime
- strangler-fig cutover behind a facade, with a clear rollback at every step
- No big bang
- old and new run side by side until the last piece is moved
How an engagement runs
Assess, modernise incrementally, arrive AI-ready.
- 1
Assess and de-risk
Most legacy modernisation fails for one reason: the team tries to rewrite everything at once. We start by understanding exactly what you have.
We map the codebase, the data, the integrations, and the parts that quietly hold the business together, so nothing important gets discovered halfway through a migration.
You come out of this phase with a prioritised, incremental plan that ships value continuously rather than in one terrifying release, plus honest cost estimates and a clear view of the risks before you commit budget to any of it.
Included
Codebase & infrastructure auditDependency mappingRisk assessmentMigration roadmapCost estimates - 2
Modernise incrementally
Component by component, behind a facade, so the old system and the new one run side by side until the last piece is moved.
No big-bang rewrite, no months where nothing ships, no weekend cutover that has to go perfectly. ColdFusion, PHP, jQuery, old Angular, ageing React, and legacy REST APIs all move onto modern React and Next.js on AWS, with CI/CD, infrastructure as code, and monitoring in place before anything is switched over.
We are one of the few UK agencies that can do this without throwing away decades of business logic in the process, backed by deep ColdFusion modernisation and legacy API migration experience. Each step ships safely with automated tests and staged rollouts, and the business sees improvements every sprint rather than waiting for a single end-of-project release.
How we work
Strangler-fig migrationZero-downtime cutoverValue every sprint - 3
Make it AI-ready
Legacy platforms are the single biggest blocker to adopting AI. We modernise toward the end state AI needs, deliberately.
Agents, assistants, and automation need clean APIs, structured data, and observability to plug into. A tangled legacy estate has none of those, which is why AI pilots so often stall.
So we modernise API-first, with well-structured data and the instrumentation AI needs. When the platform is ready, adding AI integration becomes a feature you ship, not a research project. Modernisation is the on-ramp to AI, and we build it as one.
What AI-ready means
Clean, documented APIsStructured, accessible dataObservability & loggingAI integration readiness
Why Maven
Modernisation without the big-bang risk.
We keep the business running while we modernise underneath it, then hand you a platform that is ready for whatever comes next, including AI.
Incremental, not big-bang
We replace legacy systems piece by piece behind a facade, so you are never one failed release away from an outage.
We keep it running
Your existing platform stays live and supported throughout. Users and revenue are not put on hold while we work.
Rare legacy depth
Twenty-two years of ColdFusion and legacy experience means we understand the systems most agencies will not touch, and the business logic buried in them.
AI-ready by design
We modernise toward clean APIs and structured data, so adding AI afterwards is a feature, not a fresh rebuild.
Full-stack capability
Frontend, backend, APIs, data, and AWS infrastructure handled by one senior team, so nothing falls between the gaps.
Honest guidance
Sometimes the right answer is to keep and maintain, not migrate. We will tell you when that is the case.
Is a full rewrite not cleaner than an incremental migration?
It sounds cleaner and usually is not. Big-bang rewrites run for months with nothing shipped, quietly lose business logic nobody documented, and fail at the one cutover that has to be perfect. Incremental migration replaces the system piece by piece behind a facade, so you have a working product at every step and can stop whenever you like.
Will our system keep running while you modernise it?
Yes. The existing platform stays live and supported throughout. We route traffic through a facade and move functionality across component by component, so users and revenue are never put on hold. Each step ships with automated tests and a clear rollback, so a bad change is reversible rather than an outage.
How long does a legacy modernisation take?
It depends on the size and tangle of the estate, but value ships every sprint rather than at the end. A focused application might be largely modernised in a few months; a large estate runs longer on a phased plan. The first assessment gives you a prioritised roadmap and honest cost estimates before you commit budget.
Do we have to leave ColdFusion or our current stack entirely?
Not necessarily. Sometimes the right answer is to keep and maintain what works and modernise only the parts that hold you back. We support and harden ColdFusion, PHP, and legacy APIs as readily as we migrate them, and we will tell you honestly when a migration is not worth the money yet.
Why does modernisation matter for adopting AI?
AI agents and assistants need clean APIs, structured data, and observability to plug into. Legacy platforms have none of those, which is why so many AI pilots stall. We modernise toward an API-first, well-instrumented platform, so that adding AI afterwards becomes a feature you ship rather than a research project.
Modernise piece by piece, with the business still running.
Bring the estate, however tangled. We will map it, price it honestly, and tell you which parts are worth migrating and which are worth keeping.