Custom builds · API integrations · Gutenberg blocks
Custom WordPress Plugin Development
Your plugin shouldn’t do 12 things you don’t need.
When an off-the-shelf plugin covers 80% of your requirements, the other 20% can become expensive. Extra features add code, conflicts and maintenance you don’t need.
We build custom WordPress plugins around the functionality your site actually requires.
Our approach
We build only what your site needs.
We map the requirements before writing code. You get a fixed price against a written scope, and a plugin built to WordPress coding standards.
If an existing plugin already does the job, we’ll tell you before you spend money on custom development.
What we do
Custom functionalities. When WordPress stops being enough.
WooCommerce extensions
Add custom product types, checkout fields, pricing rules, shipping logic, discount engines or order workflows without stacking third-party plugins.
Third-party API integrations
Connect WordPress to your CRM, ERP, POS, booking system, inventory tool or another service through REST APIs. The integration lives in a plugin, so it isn’t tied to your theme.
Custom admin tools
Give your team custom admin pages, bulk editing tools, reporting dashboards and user roles for workflows WordPress doesn’t support by default.
Custom post types and fields
Create structured content for team members, testimonials, events, properties, job listings, courses and other content that doesn’t belong in standard posts and pages.
Security and access control
Build custom roles, membership gating, content restrictions by role or subscription status, two-factor authentication workflows and audit logs for regulated environments.
Gutenberg blocks
Extend the Gutenberg editor with custom blocks for calculators, comparison tables, dynamic listings, interactive maps and other content your editors need.
Build vs Buy
Build only when buying leaves a critical gap
A well-maintained free plugin is the better choice when it already does the job. We’ll tell you that before you spend money on custom development.
Custom development makes sense when:
- The best plugin covers 80% of your requirements, but the remaining 20% is critical.
- You need 3 plugins to create one workflow.
- A plugin handling payment or user data hasn't been updated in 2 years.
- No existing plugin supports the integration you need.
- The functionality is part of your business logic and must survive theme changes.
Keep custom plugins maintainable
Plugin code that ignores WordPress standards becomes an update and security risk. Your custom plugin should include:
- Namespaced code to prevent plugin conflicts.
- No deprecated WordPress functions.
- Data sanitization and nonce verification.
- Testing against current PHP and WordPress versions.
- Documentation for the next developer.
- Staging testing before production deployment.
Our process
Four steps from requirements to production.
1
Requirements and scope
We define what the plugin must do, what it shouldn’t, and where the edge cases are. Clear requirements keep custom development from becoming expensive through scope creep.
2
Fixed-price quote
You get a fixed price based on the agreed scope. No hourly range. If the scope changes during development, we quote the additional work separately.
3
Development on staging
We build on staging and share working versions at key milestones, so you can test as we go. Fixing issues during development costs less than fixing them after launch.
4
Testing and handoff
We test against your PHP version, active plugins, and theme. Then we document the plugin, hand over code you fully own, and deploy it to production. Post-launch support is available through our support plans.
Our team
WordPress, WooCommerce, UX and programming under one team.
Marko
Head of Development
20+ yrs WordPress
Marko
Web Developer
10+ yrs WordPress
Miloš
Web Developer
15+ yrs WooCommerce
Stefan
Web Developer
5+ yrs Elementor
2000+
Projects delivered
20+
Team members
5.0
Rating on Clutch
2×
Top Clutch awards, 2026
Our work
Custom WordPress works for brands that need more than a plugin marketplace can offer.
Some of the brands we’ve built for.
Common questions
Plugin development questions we hear often.
You own the plugin code completely. We deliver the full code with no ongoing licensing fees, so you can host it on your server, hand it to another developer, or publish it to the repository. We don’t hold your code hostage.
It depends on complexity. Simple plugins are things like custom post types with fields or basic API integrations. Complex plugins include WooCommerce extensions, multi-system integrations, and custom admin dashboards. We price from scoped requirements, not guesses, and every project gets a fixed price on a written scope. The first step is always a free requirements conversation.
Simple plugins take 1 to 2 weeks. Mid-complexity plugins take 3 to 6 weeks. Complex integrations and full WooCommerce extensions take 6 to 12 weeks. Timelines depend on how clearly requirements are defined and how many revision cycles you need, not just code complexity.
Yes, but with one caveat: changes made directly to a third-party plugin are overwritten when it updates. We usually build a companion plugin that uses the existing plugin’s action and filter system, so your changes survive updates. We’ll recommend the approach that makes the most sense for your setup.
Yes. For plugins published on WordPress.org, we build to their coding standards and submission requirements. We can also handle the submission process and ongoing updates.
Yes. When no existing plugin does what you need, or existing ones are bloated, we build a lightweight custom plugin that does exactly the job, integrates cleanly, and won’t break on WordPress updates.
Yes. We build to WordPress coding standards and use proper hooks and APIs, so your plugin stays compatible with WordPress updates. We also offer maintenance to keep it current long term.
Yes. We document how the plugin works and provide support after delivery. We also offer maintenance to keep it compatible as WordPress and related plugins evolve, so you’re not left with an unsupported black box.
Yes. We connect WordPress to external systems, including CRMs, ERPs, payment and shipping providers, and custom APIs. That lets your site work with the tools your business already runs on.
WordPress core and PHP both move, and third-party APIs change without asking. Maintenance means testing your plugin against new versions before they reach your site, fixing deprecations, and updating integrations when the service on the other end changes. Some plugins need almost none of this. Ones that talk to external systems need it regularly, and we’ll tell you which yours is.
Have a plugin idea? Let's scope it.
A 30-minute call is enough to determine whether you need custom development or an existing plugin can do the job as well.
