Custom WordPress Plugin Development

Why Choose 84EM for Custom Plugin Development?

  • Senior-only execution: Architecture, development, and deployment by the same person. No handoffs, no miscommunication.
  • WordPress-native approach: Built with WordPress best practices, ensuring compatibility, performance, and maintainability
  • Complete ownership: You own the code. No licensing fees, no vendor lock-in.
  • Battle-tested expertise: Over 13 years of WordPress plugin development means proven patterns and reliable solutions.

“Working with Andrew has been a breath of fresh air. The difference a highly competent developer makes—especially one who is responsive, clear, and reliable in communication—cannot be overstated. His work has given us the confidence to move forward from our previous vendor, and we’re excited to continue partnering with him on upcoming projects.

Director of Digital Innovations and Marketing Solutions, The Pinnacle Group

What We Build.

  • Integrations and Automations (e.g., CRM sync, payment gateways, marketing automation, third-party service connections, APIs)
  • WooCommerce Extensions (e.g., custom checkout flows, subscription logic, reporting, automation, loyalty programs, third-party integrations)
  • Business Process Automation (e.g., automated PDF generation, scheduled data syncing, workflow triggers)
  • Data Management Systems (e.g., bulk importers, custom post types and taxonomies, relationship mapping, migrations)
  • Admin Dashboards & Portals (e.g., client-facing analytics, role-based workflows, white-label admin interfaces)
  • WP-CLI Tools (e.g., migration scripts, bulk operations, deployment automation, automated testing)
  • Theme Framework & Customization (e.g., custom Gutenberg blocks, ACF integrations, parent/child theme architecture)

“He’s detailed, builds for extendability, and delivers projects on time.

Founder, Red Lab Technologies

Our Process.

  • Discovery & Planning: Direct conversation with the engineer who will build it—no sales handoff, no intermediaries.
  • Architecture & Design: Scalable, WordPress-native architecture tailored to your hosting environment and performance requirements.
  • Development & Testing: Built to WordPress coding standards with comprehensive automated and manual testing throughout development.
  • Documentation & Handoff: Complete code documentation, deployment instructions, and direct knowledge transfer.

“Any company looking for his services would be very lucky to have him on their team!

COO & Co-Founder, Panacea Financial

Sample Projects.

  • WordPress Multisite REST API (custom endpoints for multi-network architecture)
  • LearnDash Integrations (SAML SSO, custom reporting, API connections)
  • WooCommerce Subscriptions Loyalty Program (complex tier calculations for high-traffic site)
  • FastTrack Market Data API (real-time data sync with caching layer)
  • Stripe Payment Integration (custom payment flows with webhook handling for payment, subscription, user events)
  • Bulk PDF Importer (batch processing with custom post type mapping)
  • File Integrity Checker (scheduled filesystem monitoring and alerts)

“I feel confident that their work has meaningfully contributed to our extreme growth.

Co-Founder, CPO & CTO, Equilibria Inc

What You Get.

  • Production-ready plugin code
  • 30-day bug fix warranty
  • Complete documentation (admin & developer)
  • Deployment instructions
  • Optional support retainer after 30-day warranty

“If you need a team you can count on for your website, we highly recommend 84EM. They’ve been a game changer for us!

President, CQ Concepts Inc.

Our Pricing.

  • Custom plugin projects: example costs given on our pricing page→
  • Long-term partnerships:
    • Ongoing development, agency partnerships, and maintenance.
    • Monthly retainers from $1,425 or hourly as needed. More details→

Ready to Build Your Custom Solution?