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.NET Migration · Bath

.NET Migration in Bath

Migrating Bath applications from .NET Framework to modern .NET, where the first task is finding what has no successor. Several Framework technologies were not carried forward — server-side WCF, Web Forms, remoting — so an application built on one of those is facing a redesign of that layer rather than a port of it.

Why this comes up

The problem

The migration was estimated as a port, and a third of the application is built on a technology that no longer exists.

What you get

What we deliver

  • Technologies without a direct successor identified before anything is estimated
  • Replacement approach chosen for each, since the alternatives differ substantially
  • Incremental migration behind a proxy where the application is too large to move at once
  • Dependencies assessed for modern .NET support, including transitive ones
  • Configuration and hosting reworked, as the models differ meaningfully
  • Behaviour captured as tests before the layers producing it are replaced

Want this scoped for your business in Bath?

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

Book a 30-minute call

Working in Bath

South West

Bath is a World Heritage site, which means signage, shopfronts and anything physically installed face conservation consent that adds weeks to a project timeline most suppliers do not budget for.

Visitor booking and ticketing for heritage operators, and brand work for independents competing on a very crowded high street.

Sectors we work with in Bath

  • Tourism & Heritage
  • Higher Education
  • Professional Services
  • Retail
  • Software

What we work with

Technologies and platforms

  • .NET
  • C#
  • ASP.NET Core
  • YARP

Who we work with

Industries we serve

  • Financial services
  • Manufacturing
  • Public sector
  • Healthcare
  • Enterprise software

Why us

Why Bath 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.

.NET Migration in Bath — common questions

What genuinely does not port?
Server-side WCF, Web Forms and remoting are the main ones. Clients and alternatives exist for some, and the honest position is that these represent a redesign of that layer — which is why finding them early matters more than any other assessment step.
Can a large application move incrementally?
Yes, by routing traffic through a proxy that sends migrated paths to the new application and everything else to the old one. Each release moves a section, both run together, and the migration proceeds without a single high-risk cutover.
How do we handle dependencies?
Audit them including transitively, because one unsupported package deep in the graph can block everything above it. Most widely used libraries have moved; the ones that have not are usually internal or long abandoned, and both need a decision.
Is it worth doing at all?
For an application under active development, generally yes — performance, hosting options and access to current tooling. For a stable system nobody is changing, the Framework remains supported and the migration may be effort spent for benefits nobody will use.
Do you work with businesses across Somerset?
Yes. We are based in Leicester, United Kingdom and work with clients throughout South West, including Bath and the surrounding Somerset area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Bath businesses do you usually work with?
Visitor booking and ticketing for heritage operators, and brand work for independents competing on a very crowded high street. Beyond that we work across Tourism & Heritage, Higher Education, Professional Services, Retail and Software.
Do you cover the areas around Bath?
Yes — we work throughout South West, including Bristol, Salisbury, Gloucester. Bath is an urban area of roughly 95,000+, and we take on work across the wider Somerset region rather than the city boundary alone.

Talk to us about .NET Migration in Bath

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