Custom OpenCart themes, OCMOD and event-based extensions, checkout changes and integrations for store owners who want more from OpenCart without hacking the core.

From a quick product page tweak to a complete bespoke module, we tailor OpenCart to the way you sell.
Responsive Twig themes built from your design, or an upgrade of your existing theme with better performance and mobile UX.
Learn moreFeatures delivered as proper extensions using OCMOD and the event system so core files stay untouched and upgrades stay simple.
Learn moreOne-page checkout, guest checkout tuning, custom fields, address validation and order flow changes that lift conversion.
Learn moreLocal and international gateways, carrier rate modules, label printing and tracking integrated as native OpenCart extensions.
Learn moreConfigurators, bundles, bulk pricing, wholesale accounts, size charts and advanced filters.
Learn moreStock, orders and customers synced with accounting, ERP, CRM and marketplaces through the OpenCart API and custom modules.
Learn moreA new Twig theme with size guides, wishlist and a single-step checkout built as extensions.
Make, model and year filtering across 60k parts with a compatibility table on every product.
Customer group pricing, minimum quantities and automatic stock and order sync with the ERP.
We have worked with OpenCart since version 1.5 and we know how to add real features without the hacks that make stores impossible to upgrade.
OCMOD, events and proper admin modules mean your customisations survive the next OpenCart update.
Lean templates, optimised queries and caching so custom features do not slow your store.
Every extension comes with install instructions, settings and source so any developer can maintain it.
Theme, extensions, integrations, upgrades and support from one team.
We look for the cleanest way to deliver each feature inside OpenCart’s extension system, keeping your store simple to run and cheap to maintain.
The tools and platforms around our OpenCart customisation projects.
A proven process to turn your ideas into powerful digital solutions.
We check your OpenCart version, theme and installed extensions for conflicts.
We agree the design or feature spec and the extension approach.
We build on a staging copy and test with your products, payments and shipping.
We install on production, train your team and support the extension.
Answers to the questions we hear most often. Need more detail? Talk to our team.
No. We use OCMOD, the event system and proper extension packaging so your store can be upgraded and your customisations reinstalled cleanly.
Yes, as long as the theme is reasonably built. We review it first and tell you if a fresh theme would be cheaper in the long run.
We build for your current version and can deliver OpenCart 4 compatible versions. If you are planning to upgrade, we build for 4.x from the start.
Yes. Conflicting OCMOD and vQmod modifications are a common problem; we audit, resolve conflicts and consolidate where needed.
Simple modules start at a few days of work; larger features such as configurators or ERP integrations are quoted after a short review. You receive a fixed price before we begin.
Tell us what you need changed or added and we’ll send an approach, timeline and fixed quote.
Or schedule a free consultation
AI · Software · Digital Commerce
info@indexiz.com
+92 344 615 6660
Get the latest insights and updates.
© 2026 Indexiz. All rights reserved.
WhatsApp us