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Build · develop, set up and optimize

Magento Extension Development for Your Store

Custom Magento extensions built to standard, marketplace extensions set up with compatibility checks, and existing modules cleaned up, fixed and optimized.

Custom functionality

Magento extension development without core edits

Magento extension development is how you add features the platform and marketplace do not cover, or connect Magento to the systems behind your business. Done poorly, custom code becomes the reason upgrades stall. We build modules that extend Magento through its supported mechanisms, so your store keeps getting security patches and new versions.

Our custom Magento extension development uses service contracts, dependency injection, plugins and observers instead of rewriting core classes. Integrations with ERP, PIM, payment, shipping and marketplace platforms run through REST or GraphQL APIs and message queues, so slow external systems do not block your checkout. Each module ships with tests and documentation.

The work is AI-assisted and centrally managed. AI drafts boilerplate, runs static analysis and reviews code against Magento coding standards. An engineer designs the architecture, reviews every pull request and approves each change before it is deployed. All code lives in your repository, and you own it outright.

We also take care of the extensions you already have: installing and configuring marketplace modules, resolving conflicts, removing unused ones and optimizing slow modules so your store stays fast and upgradeable.

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Warning signs

Signs you need extension development, setup & optimization

Too many extensions

Dozens of modules nobody remembers installing.

Conflicts after every update

Two extensions rewrite the same class and checkout breaks.

Integrations fail silently

ERP or PIM sync stops and nobody notices for days.

Abandoned modules

Extensions without updates for 2.4.9 or PHP 8.5.

What we build

Magento module development and integration services

From a single admin feature to a full ERP integration, every module is built to the same standard.

Custom modules

New features built as standalone modules that follow Magento coding standards and pass static analysis.

System integrations

ERP, PIM, payment, shipping and marketplace connections via REST, GraphQL and message queues.

Extension audits

Reviews of third-party and custom extensions for security, performance and upgrade risks.

Third-party fixes

Bugs and conflicts in purchased extensions fixed through plugins or patches, never vendor file edits.

Extension installation

Marketplace extensions installed with Composer after compatibility checks on staging.

Tests and documentation

Unit and integration tests where they matter, plus written docs for developers and admin users.

Our process

Audit → Fix → Boost → Care

The same four steps on every service, proposal and report.

Step 1Audit

AI scans versions, extensions, logs and speed. An engineer confirms every finding.

Step 2Fix

A fixed-price plan ranked by risk. Changes go through staging and code review.

Step 3Boost

Speed, security and conversion improvements that make the store earn more.

Step 4Care

Monthly patching, 24/7 monitoring and a report signed by your engineer.

AI, with limits

What AI does, and what it never does alone

AI does the watching

Engineers make the calls

Our promises

What you can hold us to

Checkout comes first

Anything that stops customers paying is treated as P1, every time.

Estimates you can plan with

An approved estimate stays as agreed. If the scope changes, we talk before any extra work starts.

No surprise invoices

Monthly plans with a written scope and a report of all work done.

FAQ

Magento extension development FAQ

You do. Every custom module is committed to your Git repository and transferred to you in full, without license restrictions on your store. Documentation and tests are part of the delivery. If you later move development in-house or to another agency, they receive working, documented code they can maintain.

Usually, yes. We first reproduce the problem on staging and check whether the vendor has released a fix. If not, we correct the behavior with a plugin, a preference in a custom module or a Composer patch, leaving the vendor files untouched. We also tell you when replacing the extension is the better option.

Before we install a Magento extension, we check its compatibility with your Magento and PHP versions, theme and other modules. Installation runs through Composer on staging, where we test checkout, indexing and admin functions. Only after that do we deploy it to production through your normal Git-based release process.

We integrate Magento with ERP, PIM, payment providers, shipping carriers and online marketplaces, as long as the other system offers an API or a reliable file exchange. We use Magento’s REST and GraphQL APIs and message queues so data syncs in the background. During the audit we review the other system’s documentation and confirm the approach.

Yes. An extension audit reviews your custom and third-party modules for core overrides, security issues, slow database queries and code that will block upgrades. AI tools run static analysis across the codebase, and an engineer reviews the findings and ranks them by risk. You get a written report with recommended fixes.

Discuss your extension or integration

Describe the feature or system you need. We start with a free store audit and a fixed-price proposal. Email or WhatsApp.

Free Site Audit

Send your store details. We check speed, security and extensions, then reply with three quick wins within 3 working days.

Let's talk

Get a quote

Tell us about your store and we’ll reply within one working day. Prefer to chat? Say hello from WhatsApp