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Split Development is a custom WordPress development company delivering bespoke theme development, custom plugin development, API integrations and enterprise-grade WordPress builds. We provide custom WordPress development services for businesses, agencies and publishers across the US, UK and globally who need more than a standard off-the-shelf solution.
150+
Projects delivered
10+
Years experience
/01
Custom WordPress theme development
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Custom WordPress plugin development & API integrations
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Custom WordPress CMS development & ongoing builds
We do not reskin templates or patch generic themes.
As a custom WordPress development company, we build precisely what your project needs — nothing more, nothing less.
Requirements-first scoping
We define the full scope of your custom WordPress development before writing a single line of code — covering functionality, integrations, content model and performance targets.
Built to your exact spec
Every custom WordPress website development project is built around your specific requirements — not adapted from a template or constrained by a page builder.
Transparent communication
You get a clear delivery plan, sprint milestones, regular progress updates and full access to the development environment throughout the project.
Scalable, maintainable codebase
Custom WordPress development solutions we deliver are built to WordPress coding standards, fully documented and designed to scale with your business without accumulating technical debt.
Our custom WordPress development standards ensure every project is delivered clean, fast, secure and built to last
WordPress coding standards
All custom WordPress PHP development follows official WordPress coding standards with Git version control, documentation and peer review on every project.
Performance-optimized output
Custom WordPress web development services we deliver are optimized for Core Web Vitals, page speed, efficient database queries and lean asset loading.
Security & hardening
Custom plugin development and theme code undergoes security review — no outdated dependencies, no exposed endpoints, no shortcuts on input validation.
Thorough QA before every launch
We test custom functionality, integrations, plugin compatibility, responsive behaviour and analytics before every custom WordPress website development launch.
Post-launch support
After delivery we provide ongoing custom WordPress development support, maintenance, feature additions and iterative improvements as your project evolves.
A structured custom WordPress development process from scoping and architecture through to launch and ongoing support
01
Discovery & scoping
Requirements gathering, feature specification, integration mapping and custom WordPress development cost estimation
02
Architecture & planning
Theme structure, content model, plugin architecture, custom post types, API integration plan and data flow design
03
Design & build
Custom theme development, plugin development, Gutenberg blocks, API integrations and content setup
04
QA & launch
Full functional QA, cross-browser testing, performance audit, security check and controlled production launch
05
Support & iterations
Ongoing custom WordPress development, maintenance, new feature builds and performance improvements as your site grows
We deliver custom WordPress development services to businesses, agencies and publishers that need a solution built precisely around their requirements
Businesses & startups
Custom WordPress website development for small businesses and startups that need a fast, scalable site without the limitations of a template
Agencies outsourcing development
Outsourced custom WordPress development services for digital agencies that need a reliable white label partner for client projects
Businesses needing custom plugins
Custom WordPress plugin development company services for businesses that need bespoke functionality, custom integrations or CMS extensions
Publishers & content platforms
Custom WordPress CMS development with tailored content models, editorial workflows and structured data for high-volume publishing operations
Custom WordPress development means building themes, plugins, blocks or full websites from scratch rather than using pre-built templates or page builders. It gives you full control over design, functionality, performance and security — with no bloat from features you do not need.
Custom WordPress website development makes sense when a pre-built theme cannot meet your design requirements, performance targets or functional needs without significant modification. If you need a unique UX, bespoke integrations or a custom CMS structure, building from scratch is more reliable and cost-effective long term than wrestling with an off-the-shelf product.
Yes. We provide custom WordPress plugin development for businesses that need functionality not available in existing plugins. This includes custom integrations with third-party APIs, custom admin interfaces, payment workflows, membership logic, data processing and anything else that requires purpose-built WordPress PHP development.
Custom WordPress development cost depends on the scope — including whether it is a theme, plugin, full site or CMS build, the number of integrations required and the complexity of custom functionality. Simpler projects are easier to estimate upfront; larger or more complex builds require a detailed discovery and scoping session before providing an accurate quote.
Yes. We offer outsourced custom WordPress development services for agencies and businesses that need a capable development team without hiring in-house. We can work as a white label partner under your brand, integrate with your project management tools and handle everything from scoping to delivery and post-launch support.
Yes. Our custom WordPress theme development services cover everything from scratch builds based on design files through to Gutenberg-native themes using Full Site Editing, theme.json and custom block development. Every theme we build is performance-optimized, mobile-responsive and fully documented for your team to manage independently.
