Technical audit
We review your current site architecture, plugins and theme to confirm the requested features can be integrated safely and efficiently.
WordPress Customisation Services for UK Businesses
Built for UK SMEs, charities, professional services firms and distributed teams around London, Manchester, Birmingham, Bristol, Edinburgh and teams working nationwide. Focused changes that respect the existing codebase, content and business workflow. We account for plain UK English with accessible, task-focused content, cards, Direct Debit and regulated Open Banking or Pay by Bank providers where they fit the journey, and practical delivery in GMT/BST.
Our approach
Clean code, native feel .
UK organisations do not need a generic overseas template. They need WordPress customisation shaped around a competitive market where credibility, accessibility and a low-friction enquiry or checkout journey strongly affect conversion, internal ownership and the tools their customers already recognise. We inspect the current theme, plugins, overrides and deployment process before changing anything, then isolate custom code so future updates remain possible.
Whether it is a new API connection, a custom Gutenberg block or a WooCommerce extension, we build it to be fast, secure, documented and easy to maintain.
- Theme and plugin feature extensions
- CRM and API integrations (Salesforce, HubSpot, Zapier)
- Legacy site rescue and modernisation
How it works
Concept to integration in four steps.
A practical delivery process for UK teams, with decisions documented in GMT/BST and local operational requirements agreed before build work begins.
Development
Features are built on a staging environment using clean, documented code that follows WordPress coding standards and your existing patterns.
QA and testing
We test for browser compatibility, plugin conflicts, performance regressions and accessibility before anything goes live.
Deployment
Once approved, we push changes to production with zero downtime and provide a walkthrough of how to manage the new functionality.
Built for the United Kingdom
How WordPress customisation works in the United Kingdom
UK SMEs, charities, professional services firms and distributed teams operate in a competitive market where credibility, accessibility and a low-friction enquiry or checkout journey strongly affect conversion. We shape the WordPress customisation around those buying habits, plain UK English with accessible, task-focused content, straightforward proposals, sensible estimates and pricing in pounds, and the systems already used by the team. The result is a practical service plan for teams building trust and sustainable growth across the UK.
Examples
Conversion improvement
Reshape a form, pricing journey or service page around the questions local prospects need answered. For teams around London, Manchester, Birmingham, Bristol, Edinburgh and teams working nationwide, we define the local audience, ownership and follow-up route before implementation and account for cards, Direct Debit and regulated Open Banking or Pay by Bank providers where they fit the journey.
Editor workflow
Add fields, patterns or permissions that make recurring publishing safer and faster.
System extension
Connect an existing theme or plugin to a required business rule without editing vendor code directly.
Considerations
Privacy and responsible data
We minimise unnecessary collection and document forms, analytics, processors and retention choices with the UK GDPR and Data Protection Act 2018, with security and privacy-by-design guidance from the ICO in mind. Technical implementation supports your compliance work; it does not replace legal advice.
Local operations and integrations
The delivery plan can account for cards, Direct Debit and regulated Open Banking or Pay by Bank providers where they fit the journey, pricing in pounds sterling, plain UK English with accessible, task-focused content, and a UK region when contracts, latency or organisational policy make local hosting preferable. We only add local integrations that serve a real customer or operational need.
Delivery in your working day
Planning, reviews and support are organised around GMT/BST. We inspect the current theme, plugins, overrides and deployment process before changing anything, then isolate custom code so future updates remain possible. Handover is written for the people who will publish, approve and support the site locally.
Local regulatory references are implementation context, not legal or regulatory advice. Your organisation remains responsible for confirming the obligations that apply to its sector and use of personal data.
What's included
Professional feature delivery.
- Technical discovery and written scope
- Staging environment for safe testing
- Clean, documented PHP and JavaScript
- Security and performance review
- Plugin conflict resolution
- API documentation where applicable
- Training and walkthrough video
- 30 day post launch support
How we compare
Why teams trust us with their existing site.
Not all customisation work is equal. Here is how we stack up against a typical freelancer and a traditional agency when extending a live WordPress site.
WP Pro Devs
Freelancer
Traditional agency
WordPress engineers only
✓
—
—
Staging first, zero downtime
✓
—
✓
Fixed quote before work
✓
—
✓
Update safe, no theme hacks
✓
—
—
Plugin conflict resolution
✓
—
✓
Typical turnaround
1 to 6 weeks
Varies
2 to 4 months
Starting price
£1.5k
£250
£4k+
Post launch support
30 day included
None
Retainer only
WP Pro DevsRecommended
- WordPress engineers only✓
- Staging first, zero downtime✓
- Fixed quote before work✓
- Update safe, no theme hacks✓
- Plugin conflict resolution✓
- Typical turnaround1 to 6 weeks
- Starting price£1.5k
- Post launch support30 day included
FreelancerCompare
- WordPress engineers only—
- Staging first, zero downtime—
- Fixed quote before work—
- Update safe, no theme hacks—
- Plugin conflict resolution—
- Typical turnaroundVaries
- Starting price£250
- Post launch supportNone
Traditional agencyCompare
- WordPress engineers only—
- Staging first, zero downtime✓
- Fixed quote before work✓
- Update safe, no theme hacks—
- Plugin conflict resolution✓
- Typical turnaround2 to 4 months
- Starting price£4k+
- Post launch supportRetainer only
What clients say
Pricing
Project based pricing .
Custom work needs custom estimates. Use these ranges as a guide for planning the scope of your project.
Starter £1.5k to £2.5k
Small feature additions or theme tweaks that take a few days.
- Small feature tweaks
- Style and layout adjustments
- Plugin configuration
- Basic documentation
Studio £2.5k to £4k
New feature work or a single major API integration.
- New feature development
- Custom Gutenberg blocks
- Standard API integration
- Full written documentation
Scale £4k to £7k
Site modernisation or multiple complex integrations at once.
- Complex integrations
- Legacy code rescue
- Performance optimisation
- Priority developer access
Enterprise £7k+
Ongoing development support for growing platforms and teams.
- Full platform overhaul
- Custom plugin architecture
- Dedicated project lead
- SLA with priority response
Quality standards
Every feature ships production ready .
We do not consider work done until it passes our internal quality checklist. No shortcuts, no excuses.
Lighthouse 95+ preserved
New features never drop your existing performance score. Measured before and after on staging.
Core Web Vitals pass
LCP under 2.5s, CLS under 0.1, INP under 200ms. Verified on real device emulation.
WCAG 2.2 AA compliant
Keyboard navigation, semantic HTML, ARIA labels and contrast checked against the latest standard.
Update safe code
Child themes, custom plugins and hooks. Your changes survive WordPress, theme and plugin updates.
Security reviewed
Nonces, capability checks, sanitisation and escaping on every input and output we touch.
Cross browser tested
Verified on Chrome, Safari, Firefox, Edge and real mobile devices before your staging review.
Clean, documented code
PSR standards, WordPress coding conventions, inline docs and a handover README your team can read.
Plugin conflicts resolved
We diagnose on a staging copy, isolate the root cause and fix cleanly. No silent workarounds.
Backed by real QA
Functional QA, visual QA and regression QA on the full site before anything touches production.
For agencies
Your clients. Our code. Your brand.
We are the silent development team behind dozens of UK design and marketing agencies. Your client sees your work, your invoice and your brand. Our name never appears on the feature, the commit or the handover.
- 01
Fully branded delivery
Staging links, documentation and handover materials carry your brand, not ours.
- 02
Dedicated partner PM
One point of contact for all your customisation work. Shared Slack channel, weekly syncs, fast replies.
- 03
Transparent partner pricing
Retainer rates, bulk discounts and priority scheduling for agency partners.
- 04
Your process, not ours
We plug into your Figma, ClickUp, Notion or Linear. No tool switching, no friction for your team.
How it works
01
Step 1
Brief the feature
You share your client's customisation request in your stack. Figma, ClickUp, Notion, wherever you already work.
02
Step 2
Scope and partner quote
We write a detailed spec and send you a partner rate quote. Never shown to your client.
03
Step 3
Add margin, quote your client
You mark up, brand the proposal and present it on your letterhead at your price.
04
Step 4
Client approves the scope
Your client signs off on your terms, with your brand, and pays you directly.
05
Step 5
We build under NDA
Silent build on branded staging. No logos, no footer credits, no email signatures from us.
06
Step 6
Deliver as your own
You review, accept handover and deliver the shipped feature to your client under your agency name.
Common questions
What people ask us about customisation.
Do you support UK teams during local business hours?
Yes. Planning, reviews and support can be organised around GMT/BST. We agree response expectations, meeting windows and escalation contacts before the project or care plan starts.
How do you account for UK GDPR?
We apply data minimisation, secure handling and privacy-by-design practices to forms, analytics, integrations and hosting decisions. We document the technical choices clearly, while your legal or data-protection adviser confirms the obligations that apply to your organisation.
Can you connect WordPress to my CRM?
Yes. We build custom integrations for Salesforce, HubSpot, Pipedrive, Zoho, Mailchimp and most REST or webhook based services so data syncs reliably in the background.
Do you fix plugin conflicts and broken updates?
Yes. We diagnose conflicts on a staging copy of your site, isolate the root cause and fix it cleanly rather than patching over it with workarounds.
How fast can you start?
Small feature work usually starts within a week of the scoping call. Larger integrations are booked into our schedule with a firm start date and fixed quote.
Start your feature
Tell us what you need changed.
Share what is broken or missing and a WordPress engineer will come back with a written estimate and timeline within one business day.
- Free scoping call and written estimate within 24h
- Fixed quote before any work begins
- No hacks, clean code your team can maintain