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Legacy System Modernisation · Newport

Legacy System Modernisation in Newport

Bringing an old system forward without switching it off. For Newport businesses running something critical and ageing — unsupported frameworks, a database version past end of life, or software whose original author left a decade ago — we replace it in pieces while it keeps running.

Why this comes up

The problem

Old systems keep working right up until they cannot be patched, cannot be hosted anywhere current, or fail an audit. By then the knowledge of how they work has usually left the building.

What you get

What we deliver

  • An assessment of what the system actually does, including the behaviour nobody documented
  • Risk ranking — what is unsupported, what is a security exposure, what is merely old
  • Incremental replacement, one capability at a time, with the old system running alongside
  • Data migration rehearsed on real volumes before it is done for real
  • Behaviour captured in tests before it changes, so a rewrite does not silently drop a rule
  • Documentation written as the work proceeds, so the knowledge stops being one person's

Want this scoped for your business in Newport?

Thirty minutes, no charge, no sales script. You leave with a written summary of what legacy system modernisation would actually involve — whether or not you use us.

Book a 30-minute call

Working in Newport

Wales

Newport hosts a significant semiconductor cluster and sits on the M4 between Cardiff and Bristol, so its manufacturers work to precision standards and often trade across the border daily.

Precision manufacturing quality systems, and cross-border operations for businesses trading into England.

Sectors we work with in Newport

  • Semiconductors
  • Manufacturing
  • Logistics
  • Public Sector
  • Financial Services

What we work with

Technologies and platforms

  • TypeScript
  • .NET
  • PostgreSQL
  • Docker
  • Azure
  • AWS

Who we work with

Industries we serve

  • Manufacturing
  • Financial services
  • Public sector suppliers
  • Healthcare
  • Logistics

Why us

Why Newport businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

Legacy System Modernisation in Newport — common questions

Why not just rewrite it?
Because full rewrites of systems in daily use have a poor record. The old system encodes years of edge cases nobody remembers, and a rewrite discovers them one angry phone call at a time. Replacing capability by capability keeps the business running and surfaces those rules gradually.
Nobody here knows how it works. Is that a problem?
It is normal, and it is the first thing the assessment addresses. The system itself is the documentation — behaviour gets captured in tests before anything changes, which is what makes replacement safe rather than hopeful.
Can it stay running during the work?
Yes, and it should. New components take over one function at a time, with the old system available as a fallback until each piece is proven. That is slower than a big-bang switch and considerably less likely to end badly.
What if the system still works fine?
Then the honest question is what specifically forces a change — an unsupported dependency, a compliance requirement, a hosting deadline. If none of those apply, doing nothing is a legitimate answer and we will say so.
Do you work with businesses across Newport?
Yes. We are based in Leicester, United Kingdom and work with clients throughout Wales, including Newport and the surrounding Newport area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Newport businesses do you usually work with?
Precision manufacturing quality systems, and cross-border operations for businesses trading into England. Beyond that we work across Semiconductors, Manufacturing, Logistics, Public Sector and Financial Services.
Do you cover the areas around Newport?
Yes — we work throughout Wales, including Cardiff, Bristol, Swansea. Newport is an urban area of roughly 160,000+, and we take on work across the wider Newport region rather than the city boundary alone.

Talk to us about Legacy System Modernisation in Newport

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom