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Move on from systems that hold you back.

We assess an ageing system honestly, then modernise it in steps that keep the business running: re-hosting, re-platforming, rebuilding or replacing, with your data carried across and checked.
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At a glance

Best for
Organisations running critical software that is slow to change, hard to support or tied to unsupported technology
Typical engagement
[XYZ: confirm]
Typical duration
[XYZ: confirm]
Team
[XYZ: confirm]
Talk to an engineer

The problem

Where this costs you time.

  • Every change takes too long

    A small request touches fragile code that few people understand.

  • Unsupported technology

    Old platforms and libraries no longer get patches, which is a security and audit risk.

  • Knowledge that walked out the door

    The people who built it have moved on, and there is little documentation.

What we do

Capabilities

[XYZ: confirm scope with engineering]

  • Assessment and roadmap

    We map what the system does, what depends on it and what each option would cost.

  • Re-hosting and re-platforming

    Move to supported infrastructure and frameworks with little change to behaviour.

  • Rebuild and refactor

    Rewrite the parts that hurt in modern code, and keep what works.

  • Step-by-step replacement

    Replace the system one piece at a time, so the business never stops.

  • Data migration and validation

    Cleansing, mapping and reconciliation, with a report that shows nothing was lost.

  • Documentation and handover

    Architecture notes, runbooks and training so the knowledge stays with you.

Benefits

What changes when this works.

Outcomes we design for. Measured results appear only after a client confirms them.

  • A system your team can change again
  • Supported technology and fewer security exposures
  • Migration with reconciled data, not hope
  • No big-bang cut-over unless you choose one

Process

How application modernisation and migration engagements run.

  1. Stage 1

    Discover and Diagnose

    Business, workforce and compliance analysis.

    Tech deliverablesProcess map, data-flow map, risk register

  2. Stage 2

    Design and Align

    Solution architecture, operating models, integration planning.

    Tech deliverablesArchitecture, prototype, test plan

  3. Stage 3

    Implement and Enable

    Deployment, onboarding, system validation, change management.

    Tech deliverablesBuild, integrate, test, train

  4. Stage 4

    Govern and Optimize

    Continuous compliance monitoring, reporting, automation and enhancement.

    Tech deliverablesMonitor, support, improve

Technologies

Tools we would use.

[Confirm the real stack]

  • Target platforms

    • .NET
    • Node.js
    • Java
    • Python

  • Data and migration

    • SQL Server
    • PostgreSQL
    • Mapping and ETL scripts
    • Reconciliation reports

  • Delivery

    • Docker
    • CI/CD pipelines
    • Automated testing
    • Feature flags

Industries

Where this matters most.

  • Oil and gas

    Older plant and workforce systems that must keep running while they are replaced.

  • Pharmaceuticals

    Changes to regulated systems that need a controlled, documented path.

  • Chemicals and fertilizers

    Long-lived plant systems modernised around shutdown windows.

Related

Where this connects.

All services

FAQ

Questions we hear.

Answers are drafted for review. Anything that needs a fact from Stellar is marked.

It depends on what the system is worth to you. We assess the options and show the cost and risk of each, including doing very little.

Have a business challenge worth solving?

Tell us what you're trying to fix. An engineer will reply, not a form robot.

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