Custom WordPress Plugin Development
When off-the-shelf plugins fall short, we build bespoke WordPress plugins that do exactly what your business needs — cleanly coded, secure, and maintainable.
What We Deliver
- Booking and appointment management systems
- Directory and listing plugins (properties, restaurants, doctors)
- Price calculators and configurators
- Membership and subscription management
- Custom dashboard and reporting plugins
- API integration plugins (CRMs, payment gateways, ERPs)
- Custom user registration and profile systems
- Bulk operations and import/export tools
- WooCommerce extension development
- Gutenberg block development
Our Process
We follow a proven, systematic approach that ensures quality, reliability, and client satisfaction — from the first call to ongoing post-launch support.
Specification
Detailed functional specification, wireframes, API contracts.
Architecture
Plugin architecture design, database schema, hook structure.
Development
Clean OOP PHP, WordPress coding standards, security-first approach.
Testing
Unit tests, integration tests, WordPress VIP coding standards check.
Documentation
Full developer and user documentation for every plugin we build.
Deploy
Deployment to staging then live. Training for your team.
Technologies We Use
We leverage modern, industry-proven technologies for plugin development:
🐘 Backend
⚛️ Frontend
🗄️ Database
🔧 Testing & Standards
📦 Version Control
Custom Plugin Solutions
🔌 Custom Business Logic Plugins
Automate complex workflows unique to your business rules.
🛒 Payment & E-commerce Plugins
Custom payment gateways, subscription billing, GST invoice generators.
📅 Booking & Scheduling Plugins
Appointment systems, resource booking, multi-location calendars.
👥 Membership & Community Plugins
User registration, role management, gated content, subscription tiers.
🔗 API Integration Plugins
CRM connectors (Zoho, HubSpot), ERP bridges, WhatsApp APIs, SMS gateways.
📊 Reporting & Analytics Plugins
Custom dashboards, automated reports, data visualisation.
🗺️ Directory & Listing Plugins
Business directories, property listings, job boards, classifieds.
🔧 Utility & Admin Plugins
Bulk imports, data cleaners, custom admin interfaces, workflow automation.
Why Choose Xylus for Plugin Development
WordPress Coding Standards Certified
Clean code that passes WP VIP standards and lasts 5+ years.
50+ Custom Plugins Shipped
Proven track record delivering production-ready plugins.
Zero Third-Party Dependencies Where Possible
Lean plugins that don’t add bloat or security risk.
GPL-Compatible, Clean Code
You own it completely and can modify it anytime.
WooCommerce Extension Experience
Expert at building plugins that extend WooCommerce and other major plugins.
Plugin Update & Maintenance Support
We handle ongoing updates and compatibility with future WordPress versions.
Industries We Serve
Our plugin development expertise spans numerous industries:
Case Studies
Custom EMI Calculator Plugin — 40% More Loan Applications
Challenge: Built custom EMI calculator plugin integrated with Razorpay REST API. Real-time interest rate updates from admin panel. Dynamic GST calculation based on loan amount.
Solution: Custom plugin with Razorpay integration, admin-controllable interest rates, and automatic GST calculation.
Patient Appointment Plugin — Replaced ₹2.5 Lakh/Year SaaS
Challenge: Built custom appointment scheduling plugin replacing expensive third-party SaaS. Multi-doctor support with individual calendars and availability rules.
Solution: Custom booking plugin with SMS/email reminders via Twilio and custom report generation.
Frequently Asked Questions
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From Our Blog
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Free consultation, detailed proposal within 24 hours, no obligation.