Custom Plugins & Platform Extensions

We Build The Plugins & Extensions Other Agencies Say Can't Be Done

From native Chrome Manifest V3 extensions and HubSpot React CRM cards to custom Shopify apps and Salesforce LWC packages, we unlock closed platforms and engineer seamless software integrations.

Tailored Integrations

Custom Extensions Across Your Entire Tech Stack

Standard marketplace plugins are generic, slow, and charge recurring fees for basic features. We develop bespoke, lightweight plugins built specifically for your internal workflow.

Manifest V3 Compliant

Google Chrome & Edge Extensions

Bespoke browser extensions for automated data extraction, CRM quick-logging, internal employee workflows, and secure API bridging. Built with background service workers and enterprise token storage.

Capabilities:
  • Manifest V3 background workers
  • Secure DOM scraping & injection
  • Zero-friction OAuth 2.0 auth
  • Enterprise mass distribution
App Developer Certified

HubSpot Custom Cards & React UI

Native iframe cards and React UI extensions rendered right inside HubSpot Deals, Contacts, and Tickets. Execute serverless actions without leaving the CRM window.

Capabilities:
  • CRM Card v3 & React extensions
  • Serverless Node.js endpoints
  • Real-time external API sync
  • Custom webhook event dispatchers
Shopify API v2025

Shopify Private & Public Apps

Bespoke Shopify functions, checkout UI extensions, custom ERP/WMS inventory synchronization, and custom pricing logic that standard app store tools cannot handle.

Capabilities:
  • Shopify Checkout UI Extensions
  • Remix & Node.js backend
  • High-throughput webhook queues
  • Custom bundle & pricing logic
Bespoke Middleware

Salesforce & WooCommerce Plugins

Lightning Web Components (LWC) for Salesforce and performance-tuned PHP/REST extensions for WordPress & WooCommerce that never bloat your servers.

Capabilities:
  • Salesforce Apex & LWC packages
  • WooCommerce high-scale plugins
  • Database index optimization
  • Legacy API reverse engineering
Fixed Milestone Sprint

Custom Plugin & Extension Development

Tailored Chrome extensions, CRM extensions, and private SaaS plugins connecting your existing software stack seamlessly.

Bespoke plugin architecture & manifest v3 Secure OAuth & token management Cross-browser / cross-platform compatibility Marketplace submission & private distribution
Bespoke Sprint Scope
Book Plugin Discovery

Why Companies Trust Us With Hard Engineering

No Platform Limitations

When SaaS vendors say their API doesn't support a feature, we engineer middleware, reverse-engineer webhooks, or build headless micro-proxies to make it work.

Enterprise Grade Security

End-to-end token encryption, scoped permissions, zero data leakage, and UK ICO registered standards (Ref: ZC191432).

Zero Performance Bloat

Lightweight bundle sizes (<150KB), non-blocking asynchronous calls, and edge caching for sub-100ms response times.

100% IP & Source Ownership

All code, documentation, API keys, and deployment pipelines are transferred directly to your organization.

Need a custom plugin or closed platform integration?

Book a technical discovery session with our London software architects.