INDEXIZ

Magento · Extensions

Magento Extensions & Customization Built the Magento Way

Custom Magento 2 modules, checkout and admin customisation, third-party extension integration and refactoring of conflicting modules, all written to Magento coding standards and upgrade-safe.

MJSWDTAK300+ modules built by Indexiz for Magento stores
Module deliveryIndexiz_Checkout 1.3.0
SpecRequirement · Edge casesBuildModule · Plugins · TestsReviewCoding standard · SecurityReleaseComposer · Staging · Live
✓Module releasedPHPUnit 48 passed · PSR-12
300+Custom modules shipped
80+Extension conflicts resolved
100%Coding standard compliance
2.4.xCompatible with latest Magento
What we build

Magento Extension & Customization Services

From a single plugin to a full B2B feature set, we build what the marketplace does not offer and fix what the marketplace broke.

Custom Module Development

Bespoke Magento 2 modules for pricing rules, product types, loyalty, subscriptions and anything unique to your business.

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Checkout Customisation

Extra steps, address validation, custom payment and shipping methods, gift options and one-page checkout flows built with Knockout or Hyvä Checkout.

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Admin & Back-office Features

Custom grids, bulk tools, order workflows, reports and role-based admin screens that save your team hours.

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Third-party Extension Integration

Installation, configuration and customisation of marketplace extensions with compatibility testing against your theme and other modules.

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Conflict Resolution & Refactoring

Diagnosis of plugin and preference conflicts, removal of core overrides and refactoring to upgrade-safe patterns.

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API & Integration Modules

REST and GraphQL endpoints and connectors for ERP, PIM, OMS, marketplaces and shipping carriers with queue-based sync.

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Real use cases

Modules We've Built

B2B

Quote and negotiated pricing module

Customer-group pricing, quote requests, approvals and ERP sync built as one package for a distributor on Magento Open Source.

70%quotes handled self-serve
Furniture

Product configurator with live pricing

Custom product type with options, pricing matrix and lead-time rules, compatible with Hyvä and the native checkout.

2.1×average order value
Electronics

Conflict clean-up across 55 extensions

Twenty-two overlapping modules replaced by four purpose-built ones; upgrades now take days instead of months.

-40%page load time
Why Indexiz

Why Indexiz for Magento Customisation

Badly built modules are the main reason Magento stores become slow and impossible to upgrade. We write code that passes Adobe’s standards and keeps every upgrade path open.

Standards First

PSR-12, Magento coding standard, dependency injection and plugins over preferences; never core edits.

Tested Code

Unit and integration tests shipped with every module, plus regression testing on your staging store.

Upgrade Safe

Modules are versioned via Composer and checked against each new Magento release.

Documented and Handed Over

Technical docs and admin guides so your team or any future agency can maintain the code.

Our approach

Build Less, Build It Right.

We first check whether configuration or an existing extension solves the problem. When custom code is needed, we scope it precisely, build it cleanly and test it against your real store.

Technologies

Technologies We Work With

Our modules sit cleanly alongside the rest of the Magento ecosystem and the systems your store connects to.

Our process

A Simple Path to Success

A proven process to turn your ideas into powerful digital solutions.

01

Scope

Requirements, edge cases and a check for existing solutions before any code.

02

Build

Module developed to Magento standards with unit and integration tests.

03

Review & Test

Code review, security check and regression testing on your staging store.

04

Release & Maintain

Composer release, documentation and compatibility updates with each Magento version.

FAQ

Frequently Asked Questions

Answers to the questions we hear most often. Need more detail? Talk to our team.

We check the marketplace first. If a well-maintained extension covers 80% of the need, we configure and extend it. If the requirement is core to your business or the options are poorly built, a custom module is cheaper over time.

Not when they are built with plugins, observers and dependency injection rather than core overrides. We test every module against each new Magento release as part of our support plans.

Yes. We trace plugin and preference conflicts, remove duplicated functionality and refactor or replace the modules causing problems.

Yes. We build modules with Hyvä-compatible front ends and Hyvä Checkout integrations, and we convert existing Luma extensions for Hyvä stores.

A small plugin takes a few days. A checkout customisation or integration module typically takes two to four weeks including testing and documentation.

Need something Magento doesn't do?

Let's Build the Feature Your Store Is Missing

Describe the functionality you need and we’ll tell you whether to configure, buy or build, with an estimate for each option.

Or schedule a free consultation

Serving organizations across the world.

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