Skip to content

WordPress Plugin Development · London

WordPress Plugin Development in London

Custom plugins for London businesses whose WordPress site needs something no existing plugin does properly. Often the alternative to installing a fourth overlapping plugin and hoping the combination holds together through the next core update, which is a bet that gets worse every time the stack grows.

Why this comes up

The problem

Sites accumulate plugins until nobody knows which one owns a given behaviour, and each one is an update that can break the others. Abandoned plugins are also a leading route into WordPress sites.

What you get

What we deliver

  • A plugin doing exactly what you need, replacing several that nearly did
  • Written to WordPress coding standards, using hooks rather than modified core files
  • Compatible with your theme and the plugins you are keeping, tested together
  • Admin settings your team can use without editing code
  • Input sanitised and output escaped throughout, which is where most WordPress vulnerabilities begin
  • Kept updatable, so core and PHP upgrades do not require a rebuild

Want this scoped for your business in London?

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

Book a 30-minute call

Working in London

London

London clients usually come to us because they want senior people actually on their project rather than a large agency's B team, and because Midlands rates buy considerably more delivery per pound.

Clients here are usually replacing an agency, and want senior people on the work at rates that are not Central London rates.

Sectors we work with in London

  • Financial Services
  • Professional Services
  • Technology
  • Media
  • Hospitality
  • Retail

What we work with

Technologies and platforms

  • PHP
  • WordPress
  • MySQL
  • WooCommerce
  • ACF

Who we work with

Industries we serve

  • Publishing and media
  • Charities
  • Professional services
  • Education
  • Retail

Why us

Why London 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.

WordPress Plugin Development in London — common questions

Should we just buy a plugin instead?
If one genuinely does the job, yes — and we will tell you when that is the case rather than quoting for a build. Custom is worth it when you are stacking three plugins to approximate one requirement, or when a paid plugin's licensing gets expensive at your scale.
Will it survive WordPress updates?
If built properly, yes. Plugins that break on core updates are usually the ones that modified core behaviour instead of using the hooks provided. We use the documented extension points, which is what keeps upgrades routine.
Can you fix or take over an existing plugin?
Yes, including abandoned ones you depend on. Where the original code is genuinely unsafe we will say so and price a replacement rather than patching around a structural problem.
Do we own it?
Yes, on completion and settlement. You can install it on any site you own, modify it, or hand it to another developer — you are not licensing it back from us, and there is no per-site fee.
Do you work with businesses across Greater London?
Yes. We are based in Leicester, United Kingdom and work with clients throughout London, including London and the surrounding Greater London area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of London businesses do you usually work with?
Clients here are usually replacing an agency, and want senior people on the work at rates that are not Central London rates. Beyond that we work across Financial Services, Professional Services, Technology, Media, Hospitality and Retail.
Do you cover the areas around London?
Yes — we work throughout London, including Reading, Milton Keynes, Cambridge, Brighton. London is an urban area of roughly 9,000,000+, and we take on work across the wider Greater London region rather than the city boundary alone.

Talk to us about WordPress Plugin Development in London

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