Application Modernisation

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Digital Engineering

Move legacy applications forward without stopping the business.

Most estates carry an application that still runs the business and nobody wants to touch: an unsupported version, a customisation nobody documented, a server that cannot be patched.

We assess what is actually there — usage, integrations, data, licence and support position — and put a cost against each option rather than starting from the assumption that everything must be rewritten.

The work is then staged. Re-host, re-platform, re-factor or replace, one component at a time, with the old and the new running side by side while traffic moves across.

Most of the risk in modernisation is not technical. It is the process knowledge sitting inside a system that has been amended for fifteen years, which is why discovery and testing get the weight here.

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Application Modernisation

Solution

What We Put In Place

An application assessment that scores each system on business value, technical health and cost to run, so the sequence is argued from evidence rather than preference.

Incremental migration patterns — strangler routes, parallel run and phased cut-over — so the business keeps trading while the estate moves.

Regression testing built from what the legacy system actually does, so the replacement is measured against real behaviour rather than a specification written years ago.

Modules

Everything The Solution Covers

Application Assessment
Technical Debt Analysis
Re-Host & Re-Platform
Re-Architecture
Database Migration
Interface Rebuild
Data Migration & Reconciliation
Regression Test Suites
Parallel Run & Cut-Over
Decommissioning

What We Deliver

Application Modernisation Capabilities

01

Assessment and roadmap

Portfolio inventory, dependency mapping and a costed option per application with a staged sequence.

02

Migration execution

Re-host, re-platform and re-architecture with the legacy system running until the new one is proven.

03

Data and integration

Migration, reconciliation and interface rebuild so downstream systems keep receiving what they expect.

04

Cut-over and decommission

Rehearsed cut-over, fallback plan, hypercare and a clean shutdown of what has been replaced.

Outcomes

Outcomes that move your business forward.

We measure success by the impact we create. Here's what good looks like when Application Modernisation is running the way it should.

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A sequence argued from cost and risk, not preference

Each application carries a scored option and a number, so the order of work survives a budget conversation.

Migration without a trading blackout

Old and new run in parallel while traffic moves across, so cut-over is a switch rather than a shutdown.

Behaviour verified against the system being replaced

Regression suites are built from what the legacy application actually does, not from an outdated specification.

Retired systems actually switched off

Decommissioning is planned work with an owner, so the licence, the server and its risk leave the estate.

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Have a technology priority to solve?

Tell us what you are trying to achieve. We will bring together the right capability, technology and delivery model to help move it forward.