Custom Plugin Development For WordPress Websites.
We build, repair and extend WordPress plugins for businesses that need bespoke functionality, WooCommerce features, Gravity Forms extensions, API integrations or custom internal tools with features that standard plugins cannot handle.
We build, repair and extend WordPress plugins for businesses that need bespoke functionality, WooCommerce features, Gravity Forms extensions, API integrations or custom internal tools with features that standard plugins cannot handle.
Tell Us What You Need Built
Best suited to serious business projects, plugin rebuilds, WooCommerce logic and custom integrations.
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WordPress Plugin Development Services For Growing Businesses.
Webpop Design builds reliable WordPress plugins for real-world business use. From custom workflows to admin tools and integrations, we scope properly, code cleanly and avoid quick hacks.
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Custom WordPress Plugin Development
We build bespoke WordPress plugins when ready-made options do not fit. Each plugin is shaped around your workflows, data and team, with clean code and tailored functionality built for long-term use and updates.
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WooCommerce Plugin Development
We build WooCommerce plugins for custom pricing, product rules, checkout changes and back-office tools. Built for busy stores that need reliable, scalable functionality without slowing the checkout experience down.
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Plugin Customisations
We customise existing plugins when you need more control without starting again. Clean extensions, sensible improvements and bespoke functionality added without breaking updates or creating unnecessary problems later on.
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API Integrations
We build WordPress API integration plugins that connect your website with CRMs, payment systems, booking tools, databases and other platforms without messy workarounds or fragile manual data handling processes.
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Admin Workflow Plugins
We build custom WordPress admin tools that make day-to-day work easier for your team. This can include reporting dashboards, approval workflows, imports, exports, content tools, operational shortcuts and cleaner ways to manage data.
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Subscription and Membership Plugins
We build subscription and membership plugins for renewals, billing, gated content, cancellations, user access and member areas that need to run smoothly, without constant manual intervention from staff.
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Booking and Reservation Plugins
We build booking plugins for availability, calendars, payments, customer messages and step-by-step reservations, shaped around how your business actually operates, not fixed around generic plugin limits.
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Custom Gutenberg Blocks
We build custom Gutenberg blocks matched to your brand, layouts and publishing process, giving your team flexibility without breaking the design or needing developers for every change.
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Plugin Performance Optimisation
We review, tidy and rebuild slow plugin code to reduce bloat, ease database pressure and improve performance across your WordPress website before it starts hurting site conversions.
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Plugin Security and Hardening
We strengthen custom and third-party plugins against weak permissions, outdated code and avoidable risks, helping keep your WordPress platform stable and secure as your website grows and changes.
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Plugin Maintenance and Support
We maintain, fix and update plugins as WordPress, WooCommerce and third-party tools change, giving you a reliable point of contact after launch when something needs attention or improvement.
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Legacy Plugin Refactoring
We refactor old plugins, clean up the code and bring them closer to current WordPress standards while keeping the functionality your business relies on, without losing the useful business logic.
Custom WordPress Plugin Development Examples.
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Tender Import Plugin
We built a tender import plugin that pulls live opportunities from Contracts Finder, Sell2Wales, Find a Tender and similar APIs into custom post types. Imports can run on demand or via cron, keeping bid teams in front of relevant opportunities automatically.
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Vehicle Import Plugin
We built a vehicle import tool for car dealerships that pulls in product data, specifications, imagery and pricing at the click of a button. Stock stays accurate across the website without manual entry, freeing the sales team to focus on selling.
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Sports Data Sync
We built a sports data plugin that integrates with external sports APIs to automate the import of fixtures, players, results and league data. Content stays current around the clock, with no admin intervention or repeated manual updating needed.
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Games and Software Sync
We built a games and software import plugin that connects to multiple gaming APIs to populate listings with titles, artwork, descriptions and metadata. Catalogues grow and update automatically, keeping the site fresh without burning hours on data entry.
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AI Blog Writing
We built an AI writing plugin that uses the OpenAI API to draft blog posts directly inside WordPress. Editors get well-structured first drafts in seconds, helping reduce the time and cost of producing regular, search-friendly content at scale.
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Crypto Wallet Login
We built a Web3 login plugin that lets users sign in with MetaMask, WalletConnect and other major crypto wallets. With WooCommerce integration included, customers can check out using existing wallet access, creating a faster, more modern purchase journey.
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Email Queue Plugin
We built an email queue plugin to manage high-volume transactional emails more reliably. Instead of sending everything at once, emails are queued, processed and logged, reducing failed sends and giving administrators clearer visibility over delivery issues.
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Gravity Forms Extensions
We build Gravity Forms extensions for field logic, third-party integrations, multi-step workflows, conditional routing and notifications. When standard add-ons cannot handle the process, a custom extension keeps the experience clean and reliable.
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WooCommerce Extensions
We build WooCommerce extensions for pricing rules, checkout changes, product logic, subscriptions, quote systems and customer portals. These are designed around the way the business sells, rather than forcing awkward workarounds through off-the-shelf plugins.
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Membership Workflow Plugin
We built membership workflow tools for businesses that need control over access, approvals, renewals and user permissions. This can include status changes, gated content, account dashboards, admin review steps and CRM or payment integration.
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Custom Quote Builder
We build quote builder plugins for businesses that need structured enquiries instead of vague contact forms. Users can choose options, submit requirements, upload files and generate a clearer request, giving sales teams better information before they respond.
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Internal Dashboard Plugin
We build internal dashboard plugins that bring key website, customer, order or workflow data into one place. Instead of jumping between multiple tools, teams can view the information they need inside WordPress and act on it faster.
WordPress Plugin Developers For Complex Projects.
Plugin development is not an add-on service at Webpop Design. It has been part of our WordPress work since 2008, across more than 300 bespoke website projects. Every plugin is planned and built by experienced developers who understand how WordPress, WooCommerce, APIs, admin workflows and long-term maintenance fit together.
Off-the-shelf plugins are built for broad use cases. They can be useful, but they often fall short when your business has its own process, data, rules or edge cases. A custom plugin gives you functionality designed around the way your team actually works, without forcing everything through fragile workarounds.
Done properly, a plugin should save time, reduce manual admin and make the website easier to run. Done badly, it creates more support requests, more bugs and more risk. Our job is to build the right functionality cleanly, document it properly and make sure it can be maintained as your business changes.
Discuss Your PluginWordPress Plugin Integration For Existing Systems.
Most businesses do not run everything from one platform. Your CRM, payment provider, booking system, accounting tool, marketing software or internal database may all need to share data with WordPress. We build custom plugins that connect those systems cleanly, using secure APIs, reliable webhooks and logic designed around the way your team actually works.
This can include WooCommerce integrations, back-office syncs, quote tools, customer portals, membership logic, reporting dashboards, form automation, stock updates, payment workflows and niche industry systems. The aim is to reduce manual admin, avoid duplicate data entry and stop your team relying on fragile workarounds.
Integration is where poor plugin builds often fail. We plan for errors, permissions, data handling and recovery from the start, so your plugin is built as reliable business infrastructure, not a fragile add-on that breaks the first time something changes.
Our WordPress Plugin Development Process.
Our WordPress plugin development process turns vague requirements into stable, secure and maintainable functionality, with scope agreed before build.
Kick-Off Call and Discovery
Every plugin starts with a proper conversation. We look at the business problem, the people who will use the plugin, the workflow behind it and the outcome you need. This helps us understand whether you need a small custom plugin, a larger system, an integration or a better way to handle the process altogether.
Specification and Scope
Next, we turn the conversation into a clear written scope. This covers key features, user roles, admin requirements, integrations, edge cases and anything that should be excluded. Clear scope protects your budget, avoids confusion and gives the project a sensible technical foundation before development starts.
Technical Planning
Before build begins, we plan how the plugin should work inside your existing WordPress setup. We review the theme, active plugins, hosting, WooCommerce setup, data structure and any third-party systems involved, so the new functionality fits properly rather than creating problems elsewhere.
Plugin Development
We then build the plugin around the agreed scope, using clean, maintainable code rather than stacking together fragile workarounds. Depending on the project, this may include custom admin screens, front-end functionality, WooCommerce logic, API connections, user permissions or automated workflows.
Testing and Refinement
Custom plugin work needs careful testing before it reaches a live website. We check the core functionality, admin experience, edge cases, errors, integrations, mobile behaviour and any WooCommerce or form-related workflows. Where possible, this happens in a staging environment before anything goes live.
Launch and Support
Once the plugin has been tested and approved, we deploy it carefully and monitor the initial launch. We can also provide documentation, training and ongoing support so your team knows how to use the new functionality and the plugin can continue to evolve over time.
Ready To Build Custom WordPress Functionality?
Tell us what you need your plugin, workflow or integration to do, where your current setup is falling short, and we’ll help you understand the best way to build it properly, with realistic scope, timeline and pricing.
Start Your Plugin ProjectWhy Businesses Trust Us With Technical WordPress Work.
Real feedback from clients who trusted us with complex WordPress builds and technical problem-solving.
Doug Atkinson
Solutions Review
Rachael Hughes
Black Sheep Press
Rob Fever
Pineapple Contracts
Thubten Damcho
Thubten Chodron
Tim Marshall
Allegiant Finance
Frequently Asked Questions.
Answers to the main questions businesses ask before starting a custom WordPress plugin development project.
How much does custom WordPress plugin development cost?
Most custom WordPress plugin projects start from around £2,500. More complex builds often range from £5,000 to £20,000+, depending on the logic, integrations, testing and admin requirements. Once we understand what the plugin needs to do, we can give you a clearer estimate before any work begins.
Can you fix or rebuild an existing WordPress plugin?
Yes. We can review existing custom plugins, identify what is broken, improve the code, add missing features or rebuild the plugin properly if the original setup is too fragile. This is common when a plugin has been abandoned, patched too many times or no longer works with current WordPress, WooCommerce or PHP versions.
Do you build custom WooCommerce plugins?
Yes. We build custom WooCommerce functionality for pricing rules, checkout flows, product logic, subscriptions, quote systems, customer portals, order workflows and third-party integrations. If WooCommerce almost does what you need but not quite, a custom plugin is often the cleanest way to bridge the gap.
Can you integrate WordPress with other systems?
Yes. We can connect WordPress with CRMs, booking platforms, payment gateways, membership systems, internal databases, marketing tools and external APIs. We review the available API documentation first so we can confirm what is technically possible and where any limitations may sit.
Can you work on our existing WordPress website?
In most cases, yes. We can build a custom plugin for an existing WordPress site, provided the site is stable enough to support it. Before starting, we usually review the theme, plugins, hosting setup and any existing custom code so the new functionality is built in the right way.
How long does a custom WordPress plugin take to build?
Smaller custom plugins can often be planned, built and tested within a few weeks. Larger plugins with complex logic, WooCommerce functionality, API integrations or admin dashboards may take several months. We will give you a realistic timeline once we understand the scope and dependencies.
Will the plugin be built specifically for our business?
Yes. The plugin will be designed around your workflow, website structure and business requirements. We do not simply force a collection of off-the-shelf plugins together and hope they work. The aim is to create reliable functionality that fits your site properly and can be maintained over time.
Will we own the plugin once it is built?
Yes. Once the project is complete and paid for, the custom plugin code is yours to use on your website. We can also provide ongoing support, improvements and maintenance after launch.
Do you provide testing before the plugin goes live?
Yes. Custom plugin work should always be tested carefully before release, especially when it affects checkout, payments, user accounts, forms, data or integrations. Where possible, we work in a staging environment first so the plugin can be tested before it is deployed to the live site.
What do you need from us to quote accurately?
We need to understand what the plugin should do, who will use it, what data it needs to handle, what systems it needs to connect with and what should happen when something goes wrong. A short written summary, website link, screenshots or a quick voice note is usually enough for us to give you sensible next steps.